Energy storage device, energy storage system and charging network

Abstract

The embodiment of the utility model provides an energy storage device, an energy storage system and a charging network. The energy storage device comprises a control module, a plurality of bins and a plurality of energy units. The multiple bin bodies are arranged in the height direction of the energy storage device, and energy units are contained in the multiple bin bodies. And the control module is used for electrically controlling the energy units in the plurality of bins. Wherein the size of at least one bin body in the multiple bin bodies in the height direction is different from the sizes of the other bin bodies in the height direction.

Description

[0001] This disclosure is based on applications with application numbers PCT / CN2024 / 112473 and PCT / CN2024 / 112498, PCT / CN2024 / 111558, PCT / CN2024 / 112387, PCT / CN2024 / 112558, and PCT / CN2024 / 106588, filed on July 19, 2024. The present disclosure hereof requests priority to the following patent applications: PCT / CN2024 / 104575, filed on July 9, 2024; PCT / CN2024 / 086624, filed on April 8, 2024; PCT / CN2024 / 104413, filed on July 9, 2024; PCT / CN2024 / 086600, filed on April 8, 2024; and PCT / CN2024 / 127187, filed on October 24, 2024. The entire contents of the above patent applications are incorporated herein by reference. Technical Field

[0002] This disclosure relates to the field of battery technology, and in particular to an energy storage device, energy storage system and charging network. Background Technology

[0003] With the rapid development of technology, electricity has become an indispensable energy source in people's production and daily life. To improve the smoothness of electricity supply and ensure the normal operation of production and daily life, energy storage devices are needed. As devices that cyclically store and release electrical energy, energy storage devices store electrical energy or supply the stored energy to electrical devices through charging or discharging. Energy storage devices are widely used in industrial power supply, household power supply, temporary power supply, mobile power supply, wind power generation, solar power generation, and energy storage power stations.

[0004] In the development of energy storage devices, besides improving their performance, reducing their operating costs is also a crucial issue. Therefore, minimizing the operating costs of energy storage devices remains a continuous technical challenge for improvement in energy storage technology. Utility Model Content

[0005] In view of this, the present disclosure aims to provide an energy storage device, an energy storage system, and a charging network that can reduce the cost of using the energy storage device.

[0006] To achieve the above objectives, a first aspect of this disclosure provides an energy storage device, comprising:

[0007] Multiple energy units;

[0008] Multiple chambers are arranged along the height direction of the energy storage device, and each of the multiple chambers contains the energy unit.

[0009] A control module, which is used to electrically control the energy units within the plurality of chambers;

[0010] Wherein, at least one of the multiple compartments has a different dimension along the height direction than the other compartments along the height direction.

[0011] The energy storage device provided in this disclosure improves the flexibility of the storage capacity by setting the height dimension of at least one of the multiple storage compartments to be different from that of the other storage compartments. This allows for better matching of different needs. In addition, other components of the energy storage device, except for the energy units, can be housed in a storage compartment with a relatively large height dimension. This allows the energy units housed in different storage compartments to be approximately the same or identical, which is beneficial for improving the assembly efficiency of the energy units and reducing costs. Furthermore, it helps to improve the uniformity of the electricity in different storage compartments, thereby improving the performance of the energy storage device.

[0012] In some embodiments, the dimension of each of the compartments along the height direction is greater than or equal to one-third the dimension of the standard container along the height direction, and less than the dimension of one standard container along the height direction.

[0013] The size of the storage unit cannot be infinitely small. When the dimensions of the storage unit along the height direction are all greater than or equal to one-third of the dimensions of a standard container along the height direction, the energy storage device has high manufacturability, high volumetric energy density, and is more convenient for transportation and installation.

[0014] In some embodiments, the dimension of each of the compartments along the height direction is greater than or equal to half the dimension of the standard container along the height direction, and less than the dimension of the standard container along the height direction.

[0015] When the dimensions of the storage units along the height direction are all greater than or equal to half the dimensions of a standard shipping container along the height direction, the energy storage device exhibits high manufacturability, high volumetric energy density, and is easier to transport and install. For example, when an energy storage device comprises two stacked storage units, each containing multiple energy cells, the height dimension of each unit is greater than or equal to half the height dimension of a standard shipping container, but less than the height dimension of a single standard shipping container. The stacked storage units are taller than a standard shipping container, but the total weight of each unit containing energy cells and other components is relatively low. This configuration allows each unit containing energy cells and other components to be transported individually, and the stacked energy storage device has a high energy capacity.

[0016] In some embodiments, the dimension of each of the compartments along the height direction is greater than or equal to one-third the dimension of the standard container along the height direction, and less than one-half the dimension of the standard container along the height direction.

[0017] When the dimensions of the storage units along the height direction are all greater than or equal to one-third the dimensions of a standard shipping container along the height direction, the energy storage device exhibits high manufacturability, high volumetric energy density, and easier transportation and installation. For example, when an energy storage device comprises three stacked storage units, each containing multiple energy cells, the dimensions of each unit along the height direction are greater than or equal to one-third the dimensions of a standard shipping container along the height direction, but less than half the dimensions of a standard shipping container along the height direction. The stacked three storage units are taller than a standard shipping container, but the total weight of each unit containing energy cells and other components is relatively low. This configuration allows each storage unit containing energy cells and other components to be transported individually, and the stacked energy storage device has a high energy density.

[0018] In some embodiments, the sum of the dimensions of the plurality of said cargo compartments along the height direction is greater than the sum of the dimensions of one or more said standard containers along the height direction.

[0019] By reducing the size of the storage compartment, the total weight of the compartment and its components can be reduced, which helps alleviate the problem of overweight transport and lowers the transportation costs of the energy storage device, thereby reducing its operating costs. Furthermore, setting the sum of the dimensions of multiple compartments along the height direction to be greater than the sum of the dimensions of one or more standard containers along the height direction means, on the one hand, maximizing the height dimension of at least one compartment, maximizing the energy storage device's capacity while still meeting transport weight requirements. On the other hand, this also helps increase the volume and capacity of the energy storage device, further reducing its operating costs.

[0020] In some embodiments, there are m warehouses, where the sum of the dimensions of m1 warehouses along the height direction is less than the sum of the dimensions of n standard containers along the height direction, and the sum of the dimensions of m1+1 warehouses along the height direction is greater than the sum of the dimensions of n standard containers along the height direction, where m is greater than m1, m is greater than or equal to 2, and m1 is greater than or equal to n.

[0021] In this embodiment, by setting the sum of the dimensions of m1 storage units along the height direction to be less than the sum of the dimensions of n standard containers along the height direction, and m1 ≥ n, the total weight of the storage unit and its components can be reduced by decreasing the size of the storage unit. This helps to alleviate the problem of overweight transport, reduces the transportation cost of the energy storage device, and thus reduces the operating cost of the energy storage device. On the other hand, by setting the sum of the dimensions of m1+1 storage units along the height direction to be greater than the sum of the dimensions of n standard containers along the height direction, it means that the height direction dimension of at least one storage unit is maximized. Under the premise of meeting the transport weight requirements, the energy capacity of the energy storage device can be increased as much as possible. This also helps to increase the volume and energy capacity of the energy storage device, further reducing the operating cost of the energy storage device.

[0022] In some embodiments, m1=1, n=1; or m1=2, n=1; or m1=2, n=2.

[0023] In some embodiments, the height dimension of the hopper is h. .

[0024] In this embodiment, the height dimension of the hopper is set to... This helps to reduce the overall weight of the storage unit and its components, and can maximize the volume and power of the energy storage device, thereby reducing the operating cost of the energy storage device.

[0025] In some embodiments, .

[0026] This helps to reduce the overall weight of the storage unit and its components, and can maximize the volume and power of the energy storage device, further reducing the operating cost of the energy storage device.

[0027] In some embodiments, the dimensions of each of the compartments along its length are the same as the dimensions of the standard container along its length, and the dimensions of each of the compartments along its width are the same as the dimensions of the standard container along its width.

[0028] In this embodiment, by setting the length of each compartment to be consistent with the length of a standard container and the width of each compartment to be consistent with the width of a standard container, it is beneficial to match existing standard container transport vehicles and spreaders, thereby reducing the transportation cost of the energy storage device and thus reducing the operating cost of the energy storage device.

[0029] In some embodiments, the other compartments, except for the topmost compartment, are of the same height.

[0030] In this embodiment, by setting the height of all the compartments except the topmost compartment to be the same, that is, all the compartments except the topmost compartment can use the same compartment, it is beneficial to improve the versatility of the compartments, thereby helping to reduce costs.

[0031] In some embodiments, the energy storage device includes a thermal management module, and there are m storage chambers. The thermal management module is used to manage the temperature of multiple energy units in the m storage chambers.

[0032] In this embodiment, by setting up a thermal management module, the thermal management module can manage the temperature of the energy unit and reduce the risk of temperature runaway of the energy unit.

[0033] In addition, the energy storage devices share a thermal management module to form a complete system, which helps to save space.

[0034] In some embodiments, there are m chambers, each of which contains a plurality of energy units, and the control module is used to electrically control the plurality of energy units in the m chambers.

[0035] In other words, energy storage devices share a control module to form a complete system, which helps save space.

[0036] In some embodiments, the plurality of compartments includes a first compartment and at least one second compartment, the first compartment being located above the second compartment, and the thermal management module being located within the first compartment.

[0037] In this embodiment, by placing the thermal management module in the topmost first compartment, with no obstructions above it, heat dissipation is facilitated, thereby extending the lifespan of the energy storage device. This also helps lower the overall center of gravity of the individual compartments, improving transportation safety. Furthermore, the compartmentalized design between the thermal management module and the energy storage compartment enhances the energy storage's insulation performance, while the thermal management module also shields the top from heat radiation, reducing its impact on the interior of the energy storage compartment.

[0038] In some embodiments, the height of the first compartment is greater than the height of the second compartment.

[0039] This allows for increased space within the enclosure housing the thermal management module, thereby reducing the impact of the thermal management module on the volume of the energy unit, ensuring sufficient space within the enclosure to accommodate both the energy unit and the thermal management module. Furthermore, it enables the placement of thermal management modules with higher cooling capacities, improving thermal management performance.

[0040] In some embodiments, the thermal management module includes a fan and a condenser, the fan and the condenser being located at the top of the first compartment, and the top wall and / or side wall of the first compartment being provided with ventilation openings for ventilation of the thermal management module.

[0041] In this embodiment, the ventilation openings are located on the top wall and / or side wall of the first compartment, which is beneficial for the heat dissipation of the thermal management module, enabling the thermal management module to have more heat dissipation channels and improving the temperature control effect of the thermal management module.

[0042] In some embodiments, the plurality of compartments includes a first compartment and at least one second compartment, the first compartment being located above the second compartment; the control module includes a central control module located within the second compartment.

[0043] Here, the central control module is located within the second compartment for easy maintenance. Furthermore, the use of a central control module in conjunction with two main control modules helps save space and reduce costs.

[0044] In some embodiments, the control module includes two main control modules, which are located in the first compartment and the second compartment, respectively. The two main control modules are used to control the input or output of electrical energy of the energy units in the first compartment and the second compartment, respectively. Both main control modules are electrically connected to the main control module.

[0045] Here, a main control module is installed in both the first and second chambers to facilitate the connection between the main control module and the energy units in the first and second chambers.

[0046] In some embodiments, the control module includes a fire control module located inside the first compartment or the second compartment, for fire protection of the energy units inside the first compartment and the second compartment.

[0047] Using a single fire control module to control the fire safety of both the first and second compartments helps save space and reduce costs.

[0048] In some embodiments, the energy storage device includes an energy storage converter housed within a first compartment or a second compartment, and the energy storage converter is electrically connected to the energy units within the plurality of compartments.

[0049] To facilitate rapid on-site installation for customers, at least part of the energy storage converter is housed in the first or second compartment. After the compartments are stacked on-site, the connection with the PCS can be completed. This reduces the workload of on-site assembly, improves assembly efficiency, and makes it convenient for customers to use.

[0050] In some embodiments, at least a portion of the chamber includes a first connector electrically connected to the control module, and each chamber includes a second connector electrically connected to a plurality of the energy units, the first connector being configured to mate with each of the second connectors.

[0051] In this embodiment, the first connector and each of the second connectors work together to enable a quick connection between the control module and the energy unit, making the connection between the control module and the energy unit more convenient.

[0052] In some embodiments, the energy storage device includes a plurality of battery devices, each of the battery devices including a thermal management component and a plurality of energy units, the thermal management component being used to regulate the temperature of the energy units;

[0053] At least a portion of the chambers include a third connector, and each chamber includes a fourth connector, the third connector being in communication with the thermal management module and the fourth connector being in communication with the thermal management component, the third connector being used to mate with each of the fourth connectors.

[0054] In this embodiment, the third connector and the fourth connector work together to enable rapid connection between the thermal management component and the thermal management module, facilitating the installation of the thermal management module.

[0055] In some embodiments, the thermal management module is connected to multiple thermal management components via liquid cooling pipelines, the liquid cooling pipelines including a main pipeline and multiple branch pipelines, the multiple branch pipelines being connected in parallel to the main pipeline, the main pipeline being connected to the thermal management module, and the multiple branch pipelines being connected to multiple thermal management components respectively; the main pipeline is located above the multiple battery devices, or the main pipeline is located below the multiple battery devices.

[0056] Here, by placing the main pipeline above or below the multiple battery units, it is beneficial to shorten the liquid cooling pipeline, thereby reducing costs and improving cooling efficiency.

[0057] In some embodiments, the energy unit is a battery cell, and the weight of a single energy unit is 5 kg to 60 kg.

[0058] The weight of the energy units is appropriate so that a suitable number of energy units can be placed inside the container, and the energy density is moderate while meeting transportation requirements.

[0059] In some embodiments, the energy storage device includes an energy storage compartment, which includes a compartment body and components disposed within the compartment body. The weight of the energy storage compartment is M, where M is less than or equal to 35 tons.

[0060] To ensure that individual energy storage units meet the transportation limits of some countries, the overall weight of the energy storage units is controlled to within 35 tons, and the integration of the energy storage units is maximized to reduce the workload of on-site installation; at the same time, the energy per unit area is increased to reduce the cost for customers.

[0061] In some embodiments, the energy storage device includes an energy storage compartment, which comprises a compartment body and components disposed within the compartment body. The weight of the energy storage compartment is M, and the total weight of the energy units within the compartment body is M1. .

[0062] In this way, on the one hand, the weight ratio of energy units in a unit volume of storage can be increased, thereby increasing the power of the energy storage device per unit volume; on the other hand, during the transportation of energy storage devices, more energy units that contribute to energy storage and are difficult to produce at the destination are transported, while other structures can be produced closer to the destination without transportation or with reduced transportation. After the storage unit is assembled into an energy storage device, it is beneficial to reduce the transportation cost of the assembled energy storage device.

[0063] In some embodiments, .

[0064] This further helps to reduce the transportation costs of the assembled energy storage devices.

[0065] In some embodiments, the energy storage device includes an energy storage compartment, which includes a compartment body and components disposed within the compartment body. The weight of the energy storage compartment is M. Multiple battery devices are disposed within the compartment body. Each battery device includes a housing and multiple energy units, which are housed within the housing. The total weight of the battery devices is M2. .

[0066] It can balance the energy density of the energy storage compartment and the structural strength of the compartment, making the compartment more practical.

[0067] In some embodiments, the volume of the chamber is V, and the total volume of the energy units within the chamber is V1. .

[0068] On the one hand, it can increase the proportion of energy units in a unit volume of storage unit, thereby increasing the power capacity of the energy storage device per unit volume. On the other hand, during the transportation of energy storage devices, more energy units that contribute to energy storage and are difficult to produce at the destination are transported. Other functional components of the energy storage device, such as control components, can be produced closer to the destination without needing to be transported or with reduced transportation. After the storage unit is assembled into an energy storage device, it helps to reduce the transportation cost of the assembled energy storage device.

[0069] In some embodiments, .

[0070] This will further help reduce the transportation costs of the assembled energy storage devices.

[0071] In some embodiments, the volume of the compartment is V, and multiple battery devices are disposed within the compartment. Each battery device includes a housing and multiple energy units, with the energy units housed within the housing. The total volume of the battery device is V². .

[0072] It can balance the energy density of the energy storage device and the structural strength of the storage unit, making the storage unit more practical.

[0073] In some embodiments, the energy storage device includes an energy storage compartment, which includes a compartment body and components disposed within the compartment body. The energy of the energy storage compartment is E, the dimension of the compartment body along its length is a, and the dimension of the compartment body along its width is b. .

[0074] It takes into account both the energy density of the energy storage device 100 and the mass setting of the container 10, which improves the practicality of the energy storage device 100 and facilitates the transportation of the energy storage device 100.

[0075] In some embodiments, .

[0076] This can further improve the energy density of the energy storage device 100 and the mass setting of the storage unit 10, making it easier to transport the energy storage device 100.

[0077] In some embodiments, adjacent compartments are welded, snap-fitted, locked together, or connected by fasteners along the height direction of the compartment.

[0078] This helps reduce the risk of two adjacent compartments shifting into each other after stacking, thereby improving the structural stability of the energy storage device.

[0079] In some embodiments, the plurality of compartments include a first compartment and a second compartment, the first compartment being located above the second compartment, the bottom of the first compartment being provided with a limiting pin, and the top of the second compartment being provided with a limiting hole, the limiting pin engaging with the limiting hole.

[0080] The two adjacent compartments are fixed by engaging with the limiting pins and limiting holes, and the simple structure is used to restrict the relative movement of the two adjacent compartments.

[0081] In some embodiments, a first limiting member is provided at the bottom of the first compartment, and the first limiting member is provided with a limiting groove; a second limiting member is provided at the top of the second compartment, and the second limiting member is provided with the limiting hole; and the two ends of the limiting pin are respectively engaged with the limiting groove and the limiting hole.

[0082] The two adjacent compartments are fixed by engaging with the limiting groove and the limiting hole at both ends of the limiting pin, respectively. This simple structure aims to restrict the relative movement of the two adjacent compartments.

[0083] In some embodiments, there are m cells, and the energy storage device further includes a connecting mechanism configured to connect two adjacent cells along the height direction of the cells;

[0084] The connecting mechanism includes a support member, which is disposed between two adjacent compartments along the height direction; the sum of the dimensions of m1 compartments along the height direction and the sum of the dimensions of m1-1 support members along the height direction is less than the sum of the dimensions of n standard containers along the height direction, and the sum of the dimensions of m1+1 compartments along the height direction and the sum of the dimensions of m1 support members along the height direction is greater than the sum of the dimensions of n standard containers along the height direction.

[0085] Connecting the storage units via a connecting mechanism makes their stacking more stable. During transportation, the sum of the height dimensions of the m1 storage units plus the sum of the height dimensions of the supporting members between adjacent m1 storage units is less than the sum of the heights of n standard containers. Conversely, the sum of the height dimensions of the m1+1 storage units plus the sum of the height dimensions of the m1 supporting members is greater than the sum of the height dimensions of n standard containers. This improves the volume and energy capacity of the energy storage device, further reducing its operating costs.

[0086] In some embodiments, the standard container is a 20-foot standard container, and the height of the standard container is 2896mm, 2591mm or 2438mm.

[0087] In some embodiments, at least a portion of the chamber has an energy chamber, a pipeline chamber, and a control chamber inside. The energy chamber is used to accommodate at least one of the energy units, and at least a portion of the control module and / or at least a portion of the thermal management module is accommodated in the control chamber. A first door is provided on at least one side of the chamber along the width direction, and a second door is provided on at least one side of the control chamber and / or the pipeline chamber along the width direction.

[0088] In this embodiment, the land wasted by the traditional requirement to reserve maintenance passages of more than 3 meters between adjacent warehouses is reduced. The grid-like warehouses only need to reserve normal paint touch-up and maintenance passages, which can improve the user's land investment returns and increase the user's energy returns per unit area.

[0089] This disclosure also provides an energy storage system, including a power conversion device and the aforementioned energy storage device, wherein the power conversion device is used to electrically connect the power generation device and the energy storage device.

[0090] This disclosure also provides a charging network, including a charging pile and the above-described energy storage device or energy storage system, wherein the energy storage device is used to provide electrical energy to the charging pile. Attached Figure Description

[0091] Figure 1 This is a schematic diagram of the structure of a charging network provided in some embodiments of this disclosure;

[0092] Figure 2 This is a schematic diagram of the structure of an energy storage system provided in some embodiments of this disclosure;

[0093] Figure 3 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0094] Figure 4 for Figure 3 A partial structural diagram of the medium-sized energy storage device;

[0095] Figure 5 This is a layout diagram of the energy storage devices according to some embodiments of this disclosure;

[0096] Figure 6 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0097] Figure 7 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0098] Figure 8 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0099] Figure 9 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0100] Figure 10 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0101] Figure 11 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0102] Figure 12 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0103] Figure 13 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0104] Figure 14 This is a schematic diagram of the structure of the control module provided in some embodiments of this disclosure;

[0105] Figure 15 This is a schematic diagram of the structure of two adjacent compartments of an energy storage device provided in an embodiment of the present disclosure;

[0106] Figure 16 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0107] Figure 17 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure;

[0108] Figure 18 This is a schematic diagram of the structure of a battery device provided in some embodiments of this disclosure;

[0109] Figure 19 This is a schematic diagram of the structure of an energy storage device provided in some embodiments of this disclosure.

[0110] Explanation of reference numerals in the attached figures

[0111] 1000, Charging Network; 2000, Energy Storage System; 100, Energy Storage Device; 100a, Energy Storage Chamber; 10, Chamber Body; 101, First Divider; 102, Second Divider; 103, Third Divider; 104, First Chamber Door; 2, Energy Unit; 3, First Chamber Body; 31, First Limiting Component; 311, Limiting Groove; 4, Second Chamber Body; 41, Second Limiting Component; 411, Limiting Hole; 42, Limiting Pin; 43, Support Component; 6, First Connector; 7, Second Connector; 8, Third Connector; 9, Fourth Connector; 11, Energy Chamber; 12, Control Chamber; 13, Pipeline Chamber; 14, Ventilation Opening ; 15. Main body; 16. Installation part; 20. Thermal management module; 30. Control module; 301. Main control module; 302. Power distribution module; 303. Central control module; 304. Fire control module; 40. Heat exchange pipeline; 50. Connecting harness; 51. High voltage harness; 52. Low voltage harness; 60. Protective cover; 70. Second compartment door; 80. Battery device; 81. Box; 811. First box; 812. Second box; 82. Thermal management components; 90. Liquid cooling pipeline; 91. Main pipeline; 92. Branch pipeline; 200. Charging pile; 300. Power conversion device; 3000. Power generation device. Detailed Implementation

[0112] Unless otherwise specified, all embodiments and optional embodiments of this disclosure can be combined to form new technical solutions.

[0113] Unless otherwise specified, all technical features and optional technical features of this disclosure can be combined to form new technical solutions.

[0114] With the development of clean energy, more and more devices are using electricity as their driving force, leading to the rapid development of power batteries, such as lithium-ion batteries, which can store a large amount of electrical energy and can be repeatedly charged and discharged. These power batteries are not only used in energy storage systems such as hydropower, thermal power, wind power, and solar power plants, but are also widely used in electric vehicles such as electric bicycles, electric motorcycles, and electric cars, as well as in aerospace and other fields.

[0115] In this embodiment of the disclosure, the energy unit can be a secondary battery, which refers to an energy unit that can be used again after the energy unit has been discharged by recharging to activate the active material.

[0116] The energy unit can be a lithium-ion battery, sodium-ion battery, sodium-lithium-ion battery, lithium metal battery, sodium metal battery, lithium-sulfur battery, magnesium-ion battery, nickel-metal hydride battery, nickel-cadmium battery, lead-acid battery, etc., and this disclosure does not limit it to these types.

[0117] An energy unit typically includes an electrode assembly. As an example, the electrode assembly includes a positive electrode, a negative electrode, and an isolator positioned between the negative and positive electrodes. During the charging and discharging process of the energy unit, active ions (such as lithium ions) repeatedly insert and extract between the positive and negative electrodes. The isolator, positioned between the positive and negative electrodes, prevents short circuits while allowing active ions to pass through.

[0118] In some embodiments, the positive electrode may be a positive electrode sheet, which may include a positive electrode current collector and a positive electrode active material disposed on at least one surface of the positive electrode current collector.

[0119] As an example, the positive current collector has two surfaces opposite each other in its own thickness direction, and the positive active material is disposed on either or both of the two opposite surfaces of the positive current collector.

[0120] As an example, the positive current collector can be a metal foil, a conductive polymer material, a carbon material, or a composite current collector. For example, as a metal foil, pure metals, alloys, or surface-treated metals can be used, including but not limited to stainless steel, copper, aluminum, nickel, titanium, or silver. The composite current collector may include a polymer material base layer and a metal layer. The composite current collector can be formed by forming a metal material (aluminum, aluminum alloys, nickel, nickel alloys, titanium, titanium alloys, silver, and silver alloys, etc.) on a polymer material substrate (such as a substrate of polypropylene, polyethylene terephthalate, polybutylene terephthalate, polystyrene, polyethylene, etc.).

[0121] As an example, the positive electrode active material may include at least one of the following materials: lithium phosphate, lithium transition metal oxide, and their respective modified compounds. However, this disclosure is not limited to these materials, and other conventional materials that can be used as positive electrode active materials for batteries may also be used.

[0122] In some embodiments, the negative electrode may be a negative electrode sheet, and the negative electrode sheet may include a negative electrode current collector.

[0123] As an example, the negative electrode current collector can be a metal foil, a conductive polymer material, a carbon material, or a composite current collector. For example, as a metal foil, pure metals, alloys, or surface-treated metals can be used, including but not limited to stainless steel, copper, aluminum, nickel, titanium, or silver. The composite current collector may include a polymer material substrate and a metal layer. The composite current collector can be formed by forming a metal material (copper, copper alloys, nickel, nickel alloys, titanium, titanium alloys, silver, and silver alloys, etc.) on a polymer material substrate (such as a substrate of polypropylene, polyethylene terephthalate, polybutylene terephthalate, polystyrene, polyethylene, etc.).

[0124] As an example, the negative electrode sheet may include a negative electrode current collector and a negative electrode active material disposed on at least one surface of the negative electrode current collector.

[0125] In some embodiments, the positive current collector can be made of aluminum, and the negative current collector can be made of copper.

[0126] In some embodiments, the electrode assembly further includes an isolator disposed between the positive and negative electrodes.

[0127] In some embodiments, the separator is a separator membrane. This disclosure does not impose any particular limitation on the type of separator membrane; any known porous separator membrane with good chemical and mechanical stability can be selected.

[0128] As an example, the main material of the separator can be selected from at least one of glass fiber, non-woven fabric, polyethylene, polypropylene, polyvinylidene fluoride, and ceramic. The separator can be a single-layer film or a multi-layer composite film, without particular limitation. When the separator is a multi-layer composite film, the materials of each layer can be the same or different, without particular limitation. The separator can be a single component located between the positive and negative electrodes, or it can be attached to the surfaces of the positive and negative electrodes. An inorganic particle coating, an organic particle coating, or an organic / inorganic composite coating can also be applied to the surface of the separator.

[0129] In some embodiments, the separator is a solid electrolyte. The solid electrolyte is disposed between the positive and negative electrodes, serving both to transport ions and to isolate the positive and negative electrodes.

[0130] In some embodiments, the energy unit further includes an electrolyte that acts as a conductor of ions between the positive and negative electrodes. This disclosure does not impose specific limitations on the type of electrolyte; it can be selected according to requirements. The electrolyte can be liquid, gel, or solid.

[0131] The electrode assembly can be a wound structure, a stacked structure, or a hybrid structure of wound and stacked.

[0132] In some implementations, the electrode assembly is a wound structure. The positive and negative electrode sheets are wound into a wound structure.

[0133] In some implementations, the electrode assembly is a stacked structure.

[0134] As an example, multiple positive and negative electrodes can be set, and multiple positive and multiple negative electrodes can be stacked alternately.

[0135] As an example, multiple positive electrode plates can be provided, and negative electrode plates can be folded to form multiple stacked folded segments, with a positive electrode plate sandwiched between adjacent folded segments.

[0136] As an example, both the positive and negative electrode plates are folded to form multiple stacked folded segments.

[0137] As an example, multiple separators can be provided, each positioned between any adjacent positive or negative electrode plates.

[0138] As an example, the separators can be continuously arranged, either by folding or rolling between any adjacent positive or negative electrode plates.

[0139] In some embodiments, the electrode assembly can be cylindrical, flat, or polygonal, etc.

[0140] In some embodiments, the electrode assembly is provided with tabs that allow current to be drawn from the electrode assembly. The tabs include a positive tab and a negative tab.

[0141] In some embodiments, the energy unit may include a housing. The housing may be a steel housing, an aluminum housing, a plastic housing (such as a polypropylene housing), a composite metal housing (such as a copper-aluminum composite housing), or an aluminum-plastic film, etc. In some embodiments, the housing may be a sealed structure or a non-sealed structure. As an example, when the housing is a non-sealed structure, the housing serves to protect the electrode assembly, and a sealing bag is included between the housing and the electrode assembly to encapsulate the electrode assembly and electrolyte. Specifically, the sealing bag may be a bag-shaped insulating component or an aluminum-plastic film. When the housing is a sealed structure, it is used to encapsulate components such as the electrode assembly and electrolyte.

[0142] As an example, the energy unit can be a cylindrical energy unit, a prism energy unit, a pouch energy unit, or an energy unit of other shapes. Prismoid energy units include square shell energy units, blade-shaped energy units, and multi-prism batteries. Multi-prism batteries are, for example, hexagonal prism batteries. This disclosure does not impose any particular limitations.

[0143] In some embodiments, the housing includes an end cap and a housing, the housing having an opening, and the end cap covering the opening. The housing may have one or more openings. The end cap may also have one or more.

[0144] In some embodiments, at least one electrode terminal is provided on the housing, and the electrode terminal is electrically connected to the tab. The electrode terminal can be directly connected to the tab, or it can be indirectly connected to the tab through a current collector. The electrode terminal can be provided on the end cap or on the housing.

[0145] In some embodiments, the energy storage device includes an energy storage container, etc.

[0146] Power plants are demanding increasingly higher area energy density from energy storage devices. Therefore, to increase power output, the total weight of the storage unit and its components also increases. However, energy storage devices need to be transported from the production site to the usage site via land and / or sea transport. Land and sea transport typically have weight restrictions, creating a conflict between increasing energy density and the weight of the energy storage device.

[0147] In view of this, the present disclosure proposes a new technical solution, which is applicable to energy storage devices and energy storage systems and charging networks including energy storage devices.

[0148] Energy storage devices can be used in energy storage power stations, wind power generation systems, solar power generation systems, mobile power systems, or temporary power supply systems. Energy storage devices can store electrical energy as needed and output it when appropriate. For example, an energy storage device can store electrical energy during off-peak hours and provide power to relevant users or electrical equipment during peak hours. The energy storage system provided in this disclosure can be any power system that requires energy storage devices.

[0149] Please refer to Figure 1 , Figure 1 This is a schematic diagram of the structure of a charging network 1000 provided in one embodiment of the present disclosure. The present disclosure provides a charging network 1000, which includes a charging pile 200 for charging electrical equipment. The charging network 1000 may further include an energy storage device 100 or an energy storage system 2000, wherein the energy storage device 100 is electrically connected to the charging pile 200 and provides electrical energy to the charging pile 200.

[0150] It should be noted that the charging pile 200 is electrically connected to the energy unit 2 in the energy storage device 100 via a cable. The energy unit 2 can supply its stored electrical energy to the charging pile 200. The charging pile 200 has one or more connectors for connecting to electrical equipment (such as vehicles), thereby providing energy to the equipment. The application of the energy storage device 100 in this charging network 1000 can effectively improve the reliability of the charging network 1000 and also help to improve the flexibility of the charging network 1000 during deployment.

[0151] The energy storage device 100 can be located inside the charging pile 200 (e.g., an integrated energy storage and charging unit) or outside the charging pile 200.

[0152] In a charging network 1000, there can be one charging pile 200, and the energy storage device 100 provides power to the one charging pile 200; there can also be multiple charging piles 200, and the energy storage device 100 provides power to multiple charging piles 200.

[0153] The energy storage device 100 may include multiple chambers 10 and multiple energy units 2. The multiple energy units 2 are housed in at least one chamber 10. The energy units 2 are electrically connected to the charging pile 200 so that the energy units 2 can provide power to the charging pile 200.

[0154] As an example, such as Figure 1As shown, the charging network 1000 includes an energy storage device 100 and two charging piles 200, with the energy storage device 100 providing power to the two charging piles 200.

[0155] Please refer to Figure 2 , Figure 2 This is a schematic diagram of the structure of an energy storage system 2000 provided in an embodiment of the present disclosure. The energy storage system 2000 includes a power conversion device 300, which is electrically connected to a power generation device 3000 and an energy storage device 100 to convert the electrical power provided by the power generation device 3000. The power conversion device 300 converts the electrical energy provided by the power generation device 3000 and then stores it in the energy storage device 100.

[0156] A power conversion device is used to connect the power generation device 3000 and the energy storage device 100. The power generation device 3000 generates electrical energy and stores the generated electrical energy in the energy storage device 100 via the power conversion device. The application of the energy storage device 100 in the energy storage system 2000 can effectively improve the operational reliability of the energy storage system 2000. In specific implementations, the power generation equipment can be solar panels, hydroelectric power generation equipment, thermal power generation equipment, etc. The specific type of power generation equipment is not limited in this disclosure.

[0157] As an example, such as Figure 2 As shown, the energy storage system 2000 includes an energy storage device 100 and a power conversion device 300. The two power generation devices 3000 respectively transmit the generated electrical energy to the power conversion device 300, and the power conversion device 300 introduces the electrical energy into the energy storage device 100 for storage.

[0158] Please refer to Figures 3 to 13 This disclosure provides an energy storage device 100, which includes a plurality of compartments 10 arranged along the height direction of the energy storage device 100.

[0159] The storage unit 10 can be a cabinet or a container, and the storage unit 10 has an internal cavity that can accommodate other components of the energy storage device 100. The storage unit 10 can have a hexahedral structure.

[0160] The storage compartment 10 is typically a cuboid structure. Both its length and width directions are parallel to the horizontal plane, and its length is parallel to the longest side of its cuboid structure. The height of the storage compartment 10 is perpendicular to the ground. For example, as shown... Figure 3 and Figure 5 As shown, the length direction of the storage body 10 is represented by X, the width direction of the storage body 10 is represented by Y, and the height direction of the storage body 10 is represented by Z.

[0161] Multiple storage units 10 are arranged along the height direction of the energy storage device 100, which can be understood as multiple storage units 10 being stacked or connected along the height direction of the storage unit 10.

[0162] Please see Figure 3 and Figure 6 The energy storage device 100 can have any number of compartments 10, either two or more. For example, the energy storage device 100 may include two compartments 10 stacked along the height direction; or it may include three compartments 10 stacked along the height direction. As an example, the sum of the heights of all the compartments 10 stacked along the height direction is less than or equal to the sum of the heights of eight standard shipping containers stacked together.

[0163] The energy storage device 100 also includes multiple energy units 2, which are used to provide or store electrical energy.

[0164] Here, energy unit 2 can be a single battery cell or a battery device 80 formed by electrically connecting multiple battery cells.

[0165] Please see Figure 18 Multiple energy units 2 can form multi-layer and / or multi-column battery devices 80, and each row or column of battery devices 80 includes multiple battery devices 80.

[0166] The battery device 80 mentioned in the embodiments of this disclosure may include one or more battery cell assemblies for providing voltage and capacity. A battery cell assembly may include multiple battery cells connected in series, parallel, or mixed connections via a busbar.

[0167] In some embodiments, a battery cell assembly is typically formed by arranging multiple battery cells.

[0168] As an example, a battery cell assembly can be a battery module, which is formed by arranging and fixing multiple battery cells together to form an independent module. As another example, a battery module can be formed by bundling multiple battery cells together with cable ties.

[0169] In some embodiments, the battery device 80 may be a battery pack, which includes a housing 81 and one or more individual battery cells housed within the housing 81.

[0170] As an example, the battery cell assembly can be a battery module, and the battery cell assembly can be housed in the housing 81 by fixing the battery module in the housing 81.

[0171] As an example, the battery cell assembly can also be housed in the housing 81 by directly fixing multiple battery cells to the housing 81.

[0172] For example, please refer to Figure 18 The housing 81 may include a first housing 811 and a second housing 812. The first housing 811 and the second housing 812 are fastened together to form a closed space inside the housing 81 to house the battery cell assembly. Here, "closed" refers to covering or closing, which can be sealed or unsealed. The first housing 811 may be a top cover or a bottom plate.

[0173] As an example, the housing 81 may include a top cover, a frame, and a bottom plate. The top cover and the bottom plate are respectively connected to the frame, so that the interior of the housing 81 forms an enclosed space to accommodate the battery cell assembly.

[0174] For example, multiple chambers 10 each contain an energy unit 2.

[0175] Here, the number of energy units 2 that each chamber 10 can hold can be the same or different.

[0176] For example, energy unit 2 may be a battery module or a battery pack.

[0177] In some embodiments, please refer to Figure 4 The energy storage device 100 includes a control module 30, which is used to electrically control the energy units 2 in multiple compartments 10.

[0178] In this embodiment, by setting up a control module 30, the control module 30 can control the electrical energy input or output of the energy unit 2, thereby realizing the electrical control of the energy unit 2.

[0179] For example, the dimension of each compartment 10 along the height direction is smaller than the dimension of a standard container along the height direction.

[0180] In other words, the dimensions of all 10 compartments along the height direction are smaller than the dimensions of a standard container along the height direction.

[0181] Please see Figure 3 and Figure 6The dimension 'a' of the storage body 10 along its length is the distance between its two ends along the length direction; the dimension 'b' of the storage body 10 along its width direction is the distance between its two ends along the width direction; and the dimension 'h' of the storage body 10 along its height direction is the distance between its two ends along the height direction. These dimensions a, b, and h are the maximum dimensions of the outer contour of the storage body 10 in their respective directions. The storage body 10 may include eight corner pieces and six box walls. The eight corner pieces are located at the eight corners of the cuboid structure of the storage body 10, and each corner piece protrudes from one of the box walls. The total span of two corner pieces arranged along the height direction is the height of the storage body 10, the total span of two corner pieces arranged along the length direction is the length of the storage body 10, and the total span of two corner pieces arranged along the width direction is the width of the storage body 10. When calculating the dimensions of the storage body 10, pipes and cables connecting to the storage body 10 and located outside the storage body 10 are not considered part of the dimensions of the storage body 10.

[0182] A standard container can refer to a container of standard dimensions used in transportation, such as 10 feet, 20 feet, 30 feet, 40 feet, or 45 feet. These dimensions conform to the corresponding standards, with specific length, width, and height measurements. Standard containers can be referenced in GB / T1413-2023 Series 1: Container Classification, Dimensions, and Rated Mass.

[0183] A 10-foot dimension can include: a length dimension of 2991mm with a tolerance of 0mm-5mm; a width dimension of 2438mm with a tolerance of 0mm-5mm; and a height dimension of 2438mm or less with a tolerance of 0mm-5mm.

[0184] A 20-foot measurement may include: a length of 6058mm with a tolerance of 0mm-6mm; a width of 2438mm with a tolerance of 0mm-5mm; and a height of 2896mm, 2591mm, or no greater than 2438mm with a tolerance of 0mm-5mm.

[0185] A 30-foot measurement may include: a length dimension of 9125mm with a tolerance of 0mm-10mm; a width dimension of 2438mm with a tolerance of 0mm-5mm; and a height dimension of 2896mm, 2591mm, or no greater than 2438mm with a tolerance of 0mm-5mm.

[0186] A 40-foot dimension may include: a length dimension of 12192mm with a tolerance of 0mm-10mm; a width dimension of 2438mm with a tolerance of 0mm-5mm; and a height dimension of 2896mm, 2591mm, or no greater than 2438mm with a tolerance of 0mm-5mm.

[0187] A 45-foot unit can include: a length dimension of 13716mm with a tolerance of 0mm-10mm; a width dimension of 2438mm with a tolerance of 350mm-5mm; and a height dimension of 2591mm or 2896mm with a tolerance of 0mm-5mm.

[0188] In this embodiment of the disclosure, for various sizes of the hopper 10, dimensions within the range of ±1%, ±2%, ±3%, ±4%, and ±5% can be considered as dimensions within the tolerance range.

[0189] By setting the dimension of the storage unit 10 along the height direction to be smaller than that of a standard container along the height direction, the total weight of the storage unit 10 containing components such as the energy unit 2 can be reduced, which helps to improve the problem of overweight transportation and reduces the transportation cost of the energy storage device 100.

[0190] For example, the sum of the dimensions of the multiple storage units 10 along the height direction is set to be greater than the sum of the dimensions of one or more standard containers along the height direction.

[0191] In other words, on the one hand, the sum of the dimensions of multiple storage units 10 along the height direction is set to be greater than the sum of the dimensions of one or more standard containers along the height direction. This means that by making the dimension of at least one storage unit 10 as large as possible along the height direction, the power capacity of the energy storage device 100 can be increased as much as possible while meeting the transportation weight requirements. On the other hand, this is beneficial to increasing the volume and power capacity of the energy storage device 100, further reducing the operating cost of the energy storage device 100.

[0192] Of course, in other embodiments, the sum of the dimensions of the multiple storage units 10 along the height direction may be equal to the sum of the dimensions of one or more standard containers along the height direction.

[0193] For example, at least one of the multiple compartments 10 may have a different dimension along the height direction than the other compartments 10. This could be one compartment 10 having a different dimension along the height direction than the other compartments 10, or multiple compartments 10 having different dimensions along the height direction than the other compartments 10.

[0194] At least one of the multiple compartments 10 has a different dimension along the height direction than the other compartments 10. This can be because all the compartments 10 have different dimensions along the height direction, or some of the compartments 10 have the same dimension along the height direction.

[0195] At least one of the multiple storage compartments 10 has a different dimension along the height direction than the other storage compartments 10. Along the height direction of the storage compartments 10, the dimension along the height direction of a portion of the multiple storage compartments 10 is not equal to the dimension along the height direction of another portion of the storage compartments 10.

[0196] This makes it easier to increase the flexibility of the capacity of the storage unit 10 and match different needs.

[0197] By setting the height dimension of at least one of the multiple compartments 10 to be different from the height dimension of the other compartments 10, the other components of the energy storage device 100, excluding the energy unit 2, can be accommodated in a compartment 10 with a relatively large height dimension. In this way, the energy units 2 contained in different compartments 10 can be approximately the same or completely identical, which is beneficial to improving the assembly efficiency of the energy unit 2 and reducing costs. In addition, it is beneficial to improve the uniformity of the electricity in different compartments 10, thereby improving the performance of the energy storage device 100.

[0198] For example, the energy storage device 100 may include three compartments 10, which are stacked along the height direction. The dimension of the uppermost compartment 10 along the height direction is larger than that of the other compartments 10. The dimensions of the areas of the three compartments 10 used to accommodate the energy unit 2 are the same along the height direction. The extra area of ​​the uppermost compartment 10 can be used to accommodate other components of the energy storage device 100 besides the energy unit 2. In this way, the energy units 2 contained in the different compartments 10 can be substantially the same or completely identical.

[0199] The energy storage device 100 provided in this embodiment reduces the size of the storage compartment 10, thereby reducing the total weight of the storage compartment 10 and its internal components. This helps alleviate the problem of overweight transport, lowers the transportation cost of the energy storage device 100, and consequently reduces its operating cost. Furthermore, the sum of the dimensions of the multiple storage compartments 10 along the height direction is set to be greater than the sum of the dimensions of one or more standard containers along the height direction. This means that, on the one hand, maximizing the height dimension of at least one storage compartment 10, while still meeting transport weight requirements, allows for the maximum possible increase in the energy capacity of the energy storage device 100. On the other hand, this improves both the volume and energy capacity of the energy storage device 100, further reducing its operating cost. On the other hand, by setting the height dimension of at least one of the multiple compartments 10 to be different from the height dimension of the other compartments 10, it is convenient to improve the flexibility of the capacity of the compartments 10 and match different needs. In addition, other components of the energy storage device 100, except for the energy unit 2, can be accommodated in the compartment 10 with a relatively large height dimension. In this way, the energy units 2 contained in different compartments 10 can be approximately the same or completely identical, which is beneficial to improving the assembly efficiency of the energy unit 2 and reducing costs. Furthermore, it is beneficial to improve the uniformity of the power of different compartments 10, thereby improving the performance of the energy storage device 100.

[0200] In some embodiments, the standard container is a 20-foot standard container with a height of 2896mm, 2591mm or 2438mm.

[0201] The sum of the dimensions of the m1 compartments 10 along the height direction is less than the height of a 20-foot standard container of 2896mm, 2591mm, or 2438mm. The sum of the dimensions of the m1+1 compartments 10 along the height direction is greater than the height of a 20-foot standard container of 2896mm, 2591mm, or 2438mm.

[0202] In some embodiments, the dimension of each compartment 10 along the height direction is greater than or equal to one-third the dimension of a standard container along the height direction, and is less than the dimension of a standard container along the height direction.

[0203] For example, the energy storage device 100 may include three compartments 10, which are stacked along the height direction, and the sum of the dimensions of the three compartments 10 along the height direction is greater than the dimension of a standard container along the height direction.

[0204] For example, the energy storage device 100 may include two compartments 10, which are stacked along the height direction, and the sum of the dimensions of the two compartments 10 along the height direction is greater than the dimension of a standard container along the height direction.

[0205] The size of the storage unit 10 cannot be infinitely small. When the dimension of the storage unit 10 along the height direction is greater than or equal to one-third of the dimension of the standard container along the height direction, the energy storage device 100 has high manufacturability, high volumetric energy density, and is more convenient for transportation and installation.

[0206] In some embodiments, the dimension of each compartment 10 along the height direction is greater than or equal to half the dimension of a standard container along the height direction, and is less than the dimension of a standard container along the height direction.

[0207] When the dimension of the storage unit 10 along the height direction is greater than or equal to half the dimension of a standard shipping container along the height direction, the energy storage device 100 exhibits high manufacturability, high volumetric energy density, and is easier to transport and install. For example, when the energy storage device 100 comprises two stacked storage units 10, each storage unit 10 contains multiple energy units 2. The dimension of each storage unit 10 along the height direction is greater than or equal to half the dimension of a standard shipping container along the height direction, but less than the dimension of a standard shipping container along the height direction. The stacked storage units 10 are taller than a standard shipping container, but each storage unit 10 containing components such as energy units 2 is relatively lightweight. This configuration allows each storage unit 10 containing components such as energy units 2 to be transported individually, and the energy storage device 100 has a higher energy density when stacked at the point of use.

[0208] In some embodiments, the dimension of each compartment 10 along the height direction is greater than or equal to one-third the dimension of a standard container along the height direction, and less than one-half the dimension of a standard container along the height direction.

[0209] For example, each compartment 10 may contain multiple energy units 2, or some compartments 10 may contain multiple energy units 2 while others may not contain energy units 2. The compartments 10 without energy units 2 may contain a control module 30. Of course, the compartments 10 with multiple energy units 2 may also contain a control module 30.

[0210] When the dimension of the storage unit 10 along its height is greater than or equal to one-third the dimension of a standard container along its height, the energy storage device 100 exhibits high manufacturability, high volumetric energy density, and is easier to transport and install. For example, when the energy storage device 100 comprises three stacked storage units 10, each storage unit 10 contains multiple energy units 2. The dimension of each storage unit 10 along its height is greater than or equal to one-third the dimension of a standard container along its height, but less than half the dimension of a standard container along its height. The stacked three storage units 10 are taller than a standard container, but each storage unit 10 containing components such as energy units 2 is relatively lightweight. This configuration allows each storage unit 10 containing components such as energy units 2 to be transported individually, and the energy storage device 100 has a high energy density when stacked at the point of use.

[0211] Of course, in other embodiments, only one compartment 10 may meet the above size requirements, while other compartments 10 may not meet the above requirements. For example, other compartments 10 may be the size of a standard shipping container.

[0212] In some embodiments, there are m warehouse bodies 10. The sum of the dimensions of m1 warehouse bodies 10 along the height direction is less than the sum of the dimensions of n standard containers along the height direction. The sum of the dimensions of m1+1 warehouse bodies 10 along the height direction is greater than the sum of the dimensions of n standard containers along the height direction. m is greater than m1, m is greater than or equal to 2, and m1 is greater than or equal to n.

[0213] Here, the sum of the dimensions of m1 pods 10 along the height direction is set to be less than the sum of the dimensions of n standard containers along the height direction, and m1 is greater than or equal to n. That is to say, the dimension of each pod 10 along the height direction is less than the dimension of a standard container along the height direction.

[0214] The m1+1 storage units 10 in the m storage units 10 refer to any m1+1 storage units 10 among the m storage units 10. For example, if the energy storage device 100 has three storage units 10, namely the first storage unit 3, the second storage unit 4, and the third storage unit 10, if m1+1 equals 2, these two storage units 10 can be the first storage unit 3 and the third storage unit 10, or the first storage unit 3 and the second storage unit 4, or the second storage unit 4 and the third storage unit 10.

[0215] This can be because m1+1 is less than m, the sum of the dimensions of the m1 warehouse units 10 along the height direction is less than the sum of the dimensions of n standard containers along the height direction, or the sum of the dimensions of the m1+1 warehouse units 10 along the height direction is greater than the sum of the dimensions of n standard containers along the height direction. For example, m equals 8, m1+1 equals 5, and n equals 3; where the 5 warehouse units 10 can be any 5 warehouse units 10 from the 8 warehouse units 10.

[0216] Alternatively, m1+1 equals m, meaning the sum of the height dimensions of the m1 warehouse units 10 is less than the sum of the height dimensions of n standard containers, and the sum of the height dimensions of the m1+1 warehouse units 10 is greater than the sum of the height dimensions of n standard containers. For example, if m equals 2, the sum of the heights of two warehouse units 10 is greater than the height of one standard container.

[0217] It is understandable that m, m1, and n are all positive integers.

[0218] In some embodiments, m1=1, n=1.

[0219] The energy storage device 100 may include more than two compartments 10, for example, the energy storage device 100 may have 3, 5, or 8 compartments 10. Alternatively, the energy storage device 100 may have only two compartments 10.

[0220] By setting the height of at least one compartment 10 to be less than the height of a standard shipping container, and the sum of the heights of two stacked compartments 10 to be greater than the height of a standard shipping container, the total weight of the compartment 10 containing components such as the energy unit 2 can be reduced by decreasing the size of the compartment 10. This helps to alleviate the problem of overweight transportation and reduces the transportation cost of the energy storage device 100. On the other hand, setting the sum of the dimensions of the two compartments 10 along the height direction to be greater than the sum of the dimensions of a standard shipping container along the height direction means that the dimension along the height direction of at least one compartment 10 can be maximized. Under the premise of meeting the transportation weight requirements, the power capacity of the energy storage device 100 can be increased as much as possible. In addition, it is also beneficial to increase the volume and power capacity of the energy storage device 100, further reducing the operating cost of the energy storage device 100.

[0221] In some embodiments, m1=2, n=1.

[0222] By setting the height of at least one compartment 10 to be less than the height of a standard shipping container, and the sum of the heights of the three compartments 10 stacked together to be greater than the height of a standard shipping container, the energy storage device 100 achieves high manufacturability, high volumetric energy density, and easier transportation and installation by reducing the size of at least one compartment 10. On the other hand, setting the sum of the dimensions of the three compartments 10 along the height direction to be greater than the sum of the dimensions of a standard shipping container along the height direction allows for maximizing the energy capacity of the energy storage device 100 while meeting transportation weight requirements. Furthermore, this also facilitates increasing the volume and energy capacity of the energy storage device 100, further reducing its operating costs.

[0223] In some embodiments, m1=2, n=2.

[0224] By setting the height of at least one compartment 10 to be less than the height of two standard shipping containers, and the sum of the heights of the three compartments 10 stacked together to be greater than the sum of the heights of two standard shipping containers stacked together, the energy storage device 100 achieves high manufacturability, high volumetric energy density, and easier transportation and installation by reducing the size of at least one compartment 10. On the other hand, setting the sum of the dimensions of the three compartments 10 along the height direction to be greater than the sum of the dimensions of a standard shipping container along the height direction allows for maximizing the energy capacity of the energy storage device 100 while meeting transportation weight requirements. Furthermore, this also facilitates increasing the volume and energy capacity of the energy storage device 100, further reducing its operating costs.

[0225] Here, the m compartments 10 can have the same dimensions along the height direction, or the m compartments 10 can have different dimensions along the height direction.

[0226] In some embodiments, please refer to Figures 6 to 13 The energy storage device 100 also includes a connecting mechanism (not shown), which is configured to connect two adjacent storage units 10 along the height direction. The connecting mechanism includes a support member 43, which is disposed between two adjacent storage units 10 along the height direction. The sum of the height-direction dimensions of m1 storage units 10 and m1-1 support members 43 is less than the sum of the height-direction dimensions of n standard containers; the sum of the height-direction dimensions of m1+1 storage units 10 and m1 support members 43 is greater than the sum of the height-direction dimensions of n standard containers.

[0227] Optionally, the silo bodies 10 assembled and transported along the height direction are connected and fixed by support members 43. Therefore, the dimensions of m1 silo bodies 10 forming n standard containers also include the height dimensions of the support members 43 between them. That is, when support members 43 are installed, the height dimension of some of the m1 silo bodies 10 can be the sum of their own height and the height of the support member 43 to which they are connected. This is because the support members 43 connecting the silo bodies 10 along the height direction also occupy a certain portion of the height dimension of the silo body 10.

[0228] For example, when m1 compartments 10 are assembled and fixed for transport using support members 43, the sum of the height dimensions of the m1 compartments 10 and the sum of the height dimensions of the m1-1 support members 43 is less than the sum of the height dimensions of n standard containers. However, the sum of the height dimensions of the m1+1 compartments 10 and the sum of the height dimensions of the m1 support members 43 is greater than the sum of the height dimensions of n standard containers. Optionally, the number of support members 43 among the m1 compartments 10 can be less than m1-1. In this case, when these compartments 10 are assembled into a standard container size, the dimensions include the sum of the dimensions of the m1 compartments 10 and the sum of the actual dimensions of the support members 43.

[0229] By connecting the storage units 10 through the connecting mechanism, the stacking of the storage units 10 can be made more stable. When the storage units 10 are transported, the sum of the height dimensions of m1 storage units 10 plus the sum of the height dimensions of the support members 43 located between two adjacent storage units 10 is less than the sum of the heights of n standard containers. The sum of the height dimensions of m1+1 storage units 10 and the sum of the height dimensions of m1 support members 43 is greater than the sum of the height dimensions of n standard containers. This is beneficial to increasing the volume and power of the energy storage device 100, and further reducing the operating cost of the energy storage device 100.

[0230] In the energy storage device 100 of this disclosure, when support members 43 are used during transportation, but the compartments 10 constituting the energy storage device 100 do not require support members 43, the statement "the sum of the dimensions of m1 compartments 10 along the height direction is less than the sum of the dimensions of n standard containers along the height direction, and the sum of the dimensions of m1+1 compartments 10 along the height direction is greater than the sum of the dimensions of n standard containers along the height direction" should be understood to include the height of the support members 43 used. That is, the sum of the dimensions of m1 compartments 10 along the height direction is less than the sum of the dimensions of n standard containers along the height direction minus the sum of the height of the support members 43 used, and the sum of the dimensions of m1+1 compartments 10 along the height direction is greater than the sum of the dimensions of n standard containers along the height direction minus the sum of the height of the support members 43 used. This situation also falls under the category of this disclosure embodiment.

[0231] In some embodiments, please refer to Figures 3 to 13 Each compartment 10 has the same length dimension as a standard container and the same width dimension as a standard container.

[0232] In this embodiment, by setting the dimensions of the storage body 10 along its length direction to be consistent with the dimensions of the standard container along its width direction, it is beneficial to match the existing standard container transportation vehicles and lifting gear, thereby reducing the transportation cost of the energy storage device 100 and thus reducing the operating cost of the energy storage device 100.

[0233] By setting the height dimension of the storage unit 10 to be smaller than that of a standard shipping container, the height of the storage unit 10 during transportation does not exceed that of the corresponding standard shipping container for sea or land transportation. This improves the convenience of transportation and reduces transportation costs. The length and width dimensions of the storage unit 10 are consistent with those of a standard shipping container, ensuring that the horizontal area occupied by the storage unit 10 during transportation is the same as that of a standard container. This facilitates compatibility with existing standard container transport vehicles and lifting equipment, further reducing the transportation cost of the energy storage device 100 and consequently lowering its operating cost.

[0234] Meanwhile, the sum of the height-direction dimensions of the m1 compartments 10 among the m compartments 10 is less than the sum of the height-direction dimensions of the n standard containers, while the sum of the height-direction dimensions of the m1+1 compartments 10 among the m compartments 10 is greater than the sum of the height-direction dimensions of the n standard containers. This is beneficial for increasing the volume and power capacity of the energy storage device 100, further reducing its operating costs. By reducing the size of the compartments 10, the total weight of the compartments 10 containing components such as the energy unit 2 can be reduced, which helps to alleviate the problem of overweight transportation and reduces the transportation costs of the energy storage device 100. On the other hand, the sum of the height-direction dimensions of the m1+1 compartments 10 among the m compartments 10 is greater than the sum of the height-direction dimensions of the n standard containers, meaning that maximizing the height-direction dimension of at least one compartment 10, while meeting transportation weight requirements, allows for maximizing the power capacity of the energy storage device 100. Furthermore, this also helps to increase the volume and power capacity of the energy storage device 100, further reducing its operating costs.

[0235] In some embodiments, the energy storage device 100 includes an energy storage chamber 100a, which includes a chamber body 10 and components disposed within the chamber body 10. The weight of the energy storage chamber 100a is M, where M is less than or equal to 35 tons.

[0236] Components installed inside the chamber 10, such as energy unit 2, connecting pipelines, control module 30 or thermal management module 20, etc.

[0237] Here, energy storage 100a refers to a cabinet that can be transported and hoisted independently.

[0238] For example, the weight of the energy storage silo 100a can be a point value of any one of 10 tons, 15 tons, 20 tons, 25 tons, 30 tons, or 35 tons, or a point value between any two.

[0239] During the hoisting process of the energy storage 100a, it facilitates the hoisting of relevant hoisting equipment and the transfer of the energy storage 100a.

[0240] To ensure that a single energy storage 100a meets the transportation limits of some countries, the overall weight of the energy storage 100a is controlled to within 35 tons, and the integration of the energy storage 100a is maximized to reduce the workload of on-site installation; at the same time, the energy per unit area is increased to reduce the cost for customers.

[0241] In this embodiment, by setting the sum of the dimensions of m1 storage units 10 along the height direction to be less than the sum of the dimensions of n standard containers along the height direction, and setting the sum of the dimensions of m1+1 storage units 10 along the height direction to be greater than the sum of the dimensions of n standard containers along the height direction, and by controlling the weight of the energy storage unit 100a to within 35 tons, the energy storage unit 100a can be transported and hoisted normally in multiple transportation scenarios such as land transportation and sea transportation. To a certain extent, this can avoid the problem of transportation exceeding the load-bearing limits of roads, bridges, and lifting equipment due to the excessive weight of the energy storage unit 100a, which would otherwise lead to the need for disassembly and transportation of the energy storage unit 100a or the need for special equipment for transfer, thus increasing transportation costs.

[0242] In some embodiments, please refer to Figure 3 The height of each compartment 10 is h. .

[0243] For example, the height dimension of the storage unit 10 can be any one of 850mm, 900mm, 950mm, 1000mm, 1050mm, 1100mm, 1150mm, 1200mm, 1300mm, 1400mm, 1500mm, 1600mm, 1800mm, 2000mm, 2100mm, 2200mm, 2300mm, 2400mm, 2500mm, 2600mm, 2700mm, 2800mm, and 2895mm, or any value between two of them. It is required that the sum of the dimensions of m1 storage units 10 along the height direction is less than the sum of the dimensions of n standard containers along the height direction, and the sum of the dimensions of m1+1 storage units 10 along the height direction is greater than the sum of the dimensions of n standard containers along the height direction.

[0244] In this embodiment, the height dimension of the chamber 10 is set to... This helps to keep the total weight of the storage unit 10 and its internal components within 35 tons, and can maximize the volume and power of the energy storage device 100, further reducing the operating cost of the energy storage device 100.

[0245] In some embodiments, the height dimension of the compartment 10 is h. .

[0246] For example, the height dimension of the storage unit 10 can be any one of 1300mm, 1350mm, 1400mm, 1450mm, 1500mm, 1550mm, 1600mm, 1650mm, 1700mm, 1750mm, 1800mm, 1850mm, 1900mm, 1950mm, 2000mm, 2050mm, 2100mm, 2150mm, 2200mm, 2250mm, 2300mm, 2350mm, and 2400mm, or any value between two of them. It is required that the sum of the dimensions of m1 storage units 10 along the height direction is less than the sum of the dimensions of n standard containers along the height direction, and the sum of the dimensions of m1+1 storage units 10 along the height direction is greater than the sum of the dimensions of n standard containers along the height direction.

[0247] The energy storage device 100 provided in this embodiment sets the sum of the dimensions of m1 compartments 10 along the height direction to be less than the sum of the dimensions of n standard containers along the height direction, and m1≥n. That is, the dimension of the compartment 10 along the height direction is less than the dimension of a standard container along the height direction. On the one hand, by reducing the size of the compartment 10, the total weight of the compartment 10 and its internal components can be less than the weight of a standard container, so that it can be matched with standard spreader. That is, while meeting the weight limit of transportation and road conditions, it can also be matched with existing standard container transport vehicles, which helps to improve the problem of overweight transportation and reduces the transportation cost of the energy storage device 100, thereby reducing the operating cost of the energy storage device 100. On the other hand, by setting the sum of the dimensions of m1+1 compartments 10 along the height direction to be greater than the sum of the dimensions of n standard containers along the height direction, it is beneficial to increase the volume and power of the energy storage device 100, further reducing the operating cost of the energy storage device 100.

[0248] In some embodiments, please refer to Figure 4 The energy storage device 100 includes a thermal management module 20, which manages the temperature of multiple energy units 2 of the energy storage device 100.

[0249] In this embodiment, by setting up a thermal management module 20, the thermal management module 20 can manage the temperature of the energy unit 2 and reduce the risk of temperature runaway of the energy unit 2.

[0250] In some embodiments, please refer to Figure 4 There are m chambers 10, and each of the m chambers 10 contains multiple energy units 2. The thermal management module 20 is used to manage the temperature of the multiple energy units 2 in the m chambers 10.

[0251] In other words, the energy storage device 100 shares the thermal management module 20 to form a complete system, which helps to save space.

[0252] In some embodiments, please refer to Figure 4 There are m chambers 10, each containing multiple energy units 2. The control module 30 is used to electrically control the multiple energy units 2 of the m chambers 10.

[0253] In other words, the energy storage device 100 shares the control module 30 to form a complete system, which helps to save space.

[0254] In some embodiments, please refer to Figure 4 The control module 30 is housed within at least one compartment 10.

[0255] Here, either a portion of the compartment 10 may contain the control module 30, or all compartments 10 may contain the control module 30.

[0256] In embodiments where a control module 30 is housed in a portion of the compartment 10, the compartment 10 without the control module 30 can electrically control the energy unit 2 through the control module 30 in the other compartments 10.

[0257] For example, the energy storage device 100 includes two compartments 10, namely a first compartment 3 and a second compartment 4. The first compartment 3 houses a control module 30. Both the first compartment 3 and the second compartment 4 are provided with multiple energy units 2. The control module 30 of the first compartment 3 can electrically control the energy units 2 of the first compartment 3 and the second compartment 4.

[0258] All compartments 10 contain control modules 30. When multiple energy units 2 are installed in both the first compartment 3 and the second compartment 4, the control modules 30 in all compartments 10 can work together to electrically control the multiple energy units 2 in the first compartment 3 and the second compartment 4; or the control modules 30 in each compartment 10 can operate independently, that is, the control module 30 in the first compartment 3 electrically controls the multiple energy units 2 in the first compartment 3, and the control module 30 in the second compartment 4 electrically controls the multiple energy units 2 in the second compartment 4.

[0259] In some embodiments, please refer to Figure 4 The thermal management module 20 is housed within at least one compartment 10.

[0260] The thermal management module 20 can be a liquid chiller, an air conditioner, a ground source cooling device, or a marine liquid cooling device.

[0261] Here, either a portion of the compartment 10 may contain the thermal management module 20, or all compartments 10 may contain the thermal management module 20.

[0262] In embodiments where a portion of the compartment 10 houses the thermal management module 20, the compartment 10 without the thermal management module 20 can manage the temperature of the energy unit 2 through the thermal management modules 20 in other compartments 10.

[0263] For example, the energy storage device 100 includes two compartments 10, namely a first compartment 3 and a second compartment 4. The first compartment 3 contains a thermal management module 20, while the second compartment 4 does not have a thermal management module 20. The thermal management module 20 of the first compartment 3 can manage the temperature of the energy units 2 of the first compartment 3 and the second compartment 4.

[0264] All compartments 10 contain thermal management modules 20. When multiple energy units 2 are set in both the first compartment 3 and the second compartment 4, the thermal management modules 20 in all compartments 10 can work together to control the temperature of the multiple energy units 2 in the first compartment 3 and the second compartment 4. Alternatively, the thermal management modules 20 in each compartment 10 can operate independently, that is, the thermal management module 20 in the first compartment 3 controls the temperature of the multiple energy units 2 in the first compartment 3, and the thermal management module 20 in the second compartment 4 controls the temperature of the multiple energy units 2 in the second compartment 4.

[0265] As an example, when the control module 30 and thermal management module 20 in the first compartment 3 and the second compartment 4 can operate independently, the first compartment 3 and its internal components can be considered as an independent energy storage device 100; the second compartment 4 and its internal components can also be considered as an independent energy storage device 100. As an example, when the control module 30 and thermal management module 20 in the first compartment 3 and the second compartment 4 need to jointly control the energy units 2 in both compartments 10, the first compartment 3 and its internal components, and the second compartment 4 and its internal components can be considered as a single energy storage device 100. Of course, in this case, only some energy units 2 can be operated. For example, only the energy units 2 in the first compartment 3 can be electrically and temperature controlled, allowing the energy units 2 in the first compartment 3 to input or output electrical energy, while the energy units 2 in the second compartment 4 do not output electrical energy. This can be determined according to actual usage requirements.

[0266] Due to the size of the energy unit 2, there are situations where the energy unit 2 cannot fill the entire chamber 10. By placing the control module 30 and / or the thermal management module 20 inside the chamber 10, the space inside the chamber 10 can be fully utilized, further improving the space utilization rate of the chamber 10.

[0267] In addition, the control module 30 and / or thermal management module 20 are installed together with the warehouse body 10. When the shipment is made, the pipelines and lines of the control module 30 and / or thermal management module 20 are already connected, which reduces the amount of on-site installation work of the pipelines and lines of the control module 30 and / or thermal management module 20 and helps to reduce installation costs.

[0268] Of course, in other embodiments, the control module 30 and / or the thermal management module 20 may also be located outside the chamber 10.

[0269] For example, at least a portion of the control module 30 is located outside the compartment 10.

[0270] In other words, some control modules 30 may be located outside the storage unit 10, while some control modules 30 may be located inside the storage unit 10; or all control modules 30 may be located outside the storage unit 10.

[0271] Here, by placing at least part of the control module 30 outside the chamber 10, the impact of the control module 30 on the energy unit 2 can be reduced to a certain extent, and the control module 30 does not occupy space inside the chamber 10. In addition, it is also convenient to maintain and replace the control module 30.

[0272] Here, the control module 30 located outside the silo 10 can be connected to at least one silo 10, or the control module 30 located outside the silo 10 can be separated from the silo 10 and connected by a connecting line or a connecting pipe.

[0273] For example, at least a portion of the thermal management module 20 is disposed outside the chamber 10.

[0274] In other words, some thermal management modules 20 can be located outside the silo body 10, and some thermal management modules 20 can be located inside the silo body 10; or all thermal management modules 20 can be located outside the silo body 10.

[0275] Here, by placing at least part of the thermal management module 20 outside the housing 10, the impact of the thermal management module 20 on the energy unit 2 can be reduced to some extent, and the thermal management module 20 does not occupy space inside the housing 10. In addition, it is also convenient for the maintenance and replacement of the thermal management module 20.

[0276] Here, the thermal management module 20 located outside the silo 10 can be connected to at least one silo 10, or the thermal management module 20 located outside the silo 10 can be separated from the silo 10 and connected by a connecting line or a connecting pipe.

[0277] Of course, it is also possible that part of the thermal management module 20 is located outside the chamber 10, and another part is located inside the chamber 10.

[0278] For example, the thermal management module 20 includes a cooling fan disposed outside the housing 10. Alternatively, the thermal management module 20 may include a cooling fan and a heat exchanger disposed outside the housing 10.

[0279] This facilitates heat exchange between the cooling fan, the heat exchanger, and the outside environment, thereby improving heat exchange efficiency.

[0280] In some embodiments, the energy storage device 100 may not include the thermal management module 20.

[0281] In some embodiments, please refer to Figure 14 The control module 30 includes at least one of the following: main control module 301, power distribution module 302, central control module 303, and fire control module 304.

[0282] Energy unit 2 is electrically connected to main control module 301. Main control module 301 is electrically connected to central control module 303. Main control module 301, central control module 303, and fire control module 304 are all electrically connected to power distribution module 302.

[0283] The main control module 301 is used to control the input and output of high-voltage electrical energy of the energy unit 2 inside the chamber 10. The master control module 303 is used to control the switching actions of the main control module 301 inside the chamber 10.

[0284] The fire control module 304 is used to control the operation of fire-fighting components when a fire occurs due to temperature imbalance in the silo 10. The fire-fighting components can be fire extinguishers, etc., and can be installed inside the silo 10.

[0285] The power distribution module 302 is used to electrically connect the main control module 301, the general control module 303 and the fire control module 304, so as to facilitate the circuit conduction of the main control module 301, the general control module 303 and the fire control module 304, and maintain the normal operation of the main control module 301, the general control module 303 and the fire control module 304.

[0286] In this embodiment where the energy storage device 100 includes multiple control modules 30, the multiple control modules 30 may be the same or different.

[0287] For example, each compartment 10 is provided with a control module 30. That is, the control module 30 corresponds one-to-one with the compartment 10. One control module 30 controls the input and output of electrical energy of the energy unit 2 in one compartment 10. This facilitates the electrical control of the energy unit 2 by the control module 30.

[0288] For example, please refer to Figures 6 to 13Some compartments 10 are equipped with control modules 30, while others are not. This means that one control module 30 controls the electrical input or output of energy units 2 within multiple compartments 10. For example, when there are two compartments 10, one compartment 10 has a control module 30, while the other does not. This control module 30 controls the electrical input or output of energy units 2 within both compartments 10.

[0289] Of course, a single compartment 10 can have multiple control modules 30, and a single compartment 10 can have multiple energy units 2. Multiple energy units 2 are connected in series to form battery clusters, and multiple battery clusters are connected in parallel. One control module 30 can control one or more battery clusters.

[0290] Thermal management module 20 includes a heat exchange unit, such as a liquid-cooled unit. Please refer to [link / reference]. Figure 4 The thermal management module 20 can exchange heat with the energy unit 2 through the heat exchange pipeline 40 (e.g., liquid cooling pipeline 90), thereby managing the temperature of the energy unit 2 and reducing the risk of temperature runaway of the energy unit 2.

[0291] For example, each chamber 10 is provided with a thermal management module 20. That is, the thermal management module 20 corresponds one-to-one with the chamber 10, and one thermal management module 20 manages the temperature of the energy unit 2 in one chamber 10.

[0292] For example, please refer to Figures 6 to 13 Some compartments 10 are equipped with thermal management modules 20, while others are not. This means that one thermal management module 20 can manage the temperature of multiple energy units 2 within a single compartment 10. For example, if there are two compartments 10, one with a thermal management module 20 and the other without, the thermal management module 20 can exchange heat with the energy units 2 in both compartments 10 through heat exchange pipes 40 (e.g., liquid-cooled pipes 90). In other words, the thermal management module 20 can manage the temperature of the energy units 2 in both compartments 10.

[0293] In some embodiments, the plurality of compartments 10 include a first compartment 3 and at least one second compartment 4, the first compartment 3 being located above the second compartment 4, and the thermal management module 20 being located inside the first compartment 3.

[0294] In other words, the first compartment 3 is located at the top of the energy storage device, and the thermal management module 20 is located inside the first compartment 3 at the top.

[0295] For example, the thermal management module 20 is located on top of the first compartment 3.

[0296] In this embodiment, by placing the thermal management module 20 at the top of the first compartment 3, with no obstructions above it, heat dissipation of the thermal management module 20 is facilitated, thereby extending the service life of the energy storage device 100. This also helps lower the overall center of gravity of the individual compartment 10, which is beneficial for transportation safety. Furthermore, the compartmentalized design with the energy compartment 11 improves the thermal insulation effect of the energy compartment 11, while the thermal management module 20 shields the top from heat radiation, reducing the impact of heat radiation on the interior of the energy compartment 11.

[0297] In some embodiments, the dimension of the compartment 10 containing the thermal management module 20 along the height direction is larger than the dimension of other compartments 10 along the height direction.

[0298] In other words, the height of the first compartment 3 is greater than the height of the second compartment 4.

[0299] This allows for increased space within the housing 10 containing the thermal management module 20, thereby reducing the impact of the thermal management module 20 on the volume of the energy unit 2, ensuring that the housing 10 has sufficient space to accommodate both the energy unit 2 and the thermal management module 20. Furthermore, it allows for the placement of a thermal management module 20 with higher cooling capacity, improving thermal management capabilities.

[0300] In some embodiments, the thermal management module 20 includes a fan and a condenser located at the top of the first compartment 3. The top wall and / or side wall of the first compartment 3 are provided with ventilation openings 14 for ventilation of the thermal management module 20.

[0301] For example, the thermal management module 20 includes a cooling circulation loop and a refrigerant circulation loop, with the thermal management component 82 constituting a portion of the cooling circulation loop and the condenser constituting a portion of the refrigerant circulation loop. The thermal management module 20 is independent of the energy unit 3, reducing the risk of interference between the thermal management module 20 and the energy unit 3.

[0302] The coolant can circulate in the coolant circulation loop and can circulate through the thermal management component 82 to exchange heat with the energy unit 3 and cool the energy unit 3. After exchanging heat with the energy unit 3, the coolant can also circulate through the evaporator and exchange heat with the evaporator, and transfer the heat exchanged from the energy unit 3 to the evaporator, thereby cooling the coolant.

[0303] A condenser is a component used for heat exchange with the refrigerant flowing through it.

[0304] The evaporator is located in both the coolant circulation loop and the refrigerant circulation loop. Internally, the evaporator has coolant and refrigerant channels. The coolant channels participate in forming the coolant circulation loop, allowing coolant to flow through them. The refrigerant channels participate in forming the refrigerant circulation loop, allowing refrigerant to flow through them. The coolant and refrigerant channels are not interconnected to prevent mixing. Within the evaporator, the coolant and refrigerant exchange heat, particularly the heat from the coolant, enabling the evaporator to cool the coolant flowing through it.

[0305] For example, a fan is used to dissipate heat from the condenser.

[0306] Here, the top wall of the first compartment 3 is provided with a ventilation opening 14. It can be an opening on the entire top wall of the compartment 10 to form a ventilation opening 14. Alternatively, it can be a partial opening on the top wall of the compartment 10 to form a ventilation opening 14. For example, an opening is provided on one side of the top wall of the compartment 10 along the length direction so that a portion of the top wall of the compartment 10 forms a ventilation opening 14.

[0307] As an example, the ventilation opening 14 on the top wall of the compartment 10 can be used for exhaust, and the ventilation opening 14 on the side wall of the compartment 10 can be used for intake.

[0308] In this embodiment, the ventilation opening 14 is located on the top wall and / or side wall of the first compartment 3, which is beneficial to the heat dissipation of the thermal management module 20, enabling the thermal management module 20 to have more heat dissipation channels and improve the temperature control effect of the thermal management module 20.

[0309] In some embodiments, please refer to Figures 3 to 13 The interior of at least part of the chamber 10 has an energy chamber 11 and a control chamber 12. The energy chamber 11 is used to house at least one energy unit 2, and at least part of the control module 30 and / or at least part of the thermal management module 20 is housed in the control chamber 12.

[0310] Here, "at least part of the control module 30 and / or at least part of the thermal management module 20 are housed in the control compartment 12" means that at least part of the control module 30 can be housed in the control compartment 12, at least part of the thermal management module 20 can be housed in the control compartment 12, or at least part of the control module 30 and at least part of the thermal management module 20 can be housed in the control compartment 12.

[0311] For example, some control modules 30 and / or some thermal management modules 20 may be housed in the control compartment 12 inside the compartment 10, while other control modules 30 and / or other thermal management modules 20 may be located outside the compartment 10; alternatively, all control modules 30 and / or all thermal management modules 20 may be housed in the control compartment 12 inside the compartment 10.

[0312] For example, in an embodiment where multiple compartments 10 have control compartments 12 inside, the control modules 30 in all compartments 10 can work together, or the control module 30 in each compartment 10 can operate independently.

[0313] For example, in an embodiment where multiple compartments 10 have thermal management modules 20 inside, the thermal management modules 20 in all compartments 10 can work together, or the thermal management module 20 in each compartment 10 can operate independently.

[0314] In this embodiment, by providing an energy chamber 11 and a control chamber 12 inside at least part of the chamber 10, and by placing at least part of the control module 30 and / or at least part of the thermal management module 20 inside the chamber 10, the space inside the chamber 10 can be fully utilized, further improving the space utilization rate of the chamber 10.

[0315] In some embodiments, at least a portion of the chamber 10 includes a first partition 101, which is disposed between the energy chamber 11 and the control chamber 12, and the energy chamber 11 and the control chamber 12 share the first partition 101.

[0316] Here, the first separator 101 may comprise a metal plate.

[0317] Here, the first partition 101 helps to improve the structural strength of the chamber 10, and also helps to improve the sealing and heat preservation performance of the energy chamber 11.

[0318] The first partition 101 is provided with a heat exchange pipe 40 and a connecting harness 50. The connecting harness 50 includes a high-voltage harness 51 and / or a low-voltage harness 52. The thermal management module 20 in the control compartment 12 can exchange heat with the energy unit 2 in the energy compartment 11 through the heat exchange pipe 40 (e.g., a liquid cooling pipe 90). The control module 30 in the control compartment 12 can electrically control the energy unit 2 in the energy compartment 11 through the connecting harness 50.

[0319] As an example, when the heat exchange pipe 40 and the connecting harness 50 pass through the first partition 101, the passage location can be sealed.

[0320] For example, the interior of the first partition 101 is filled with a heat-insulating medium.

[0321] Here, the insulation medium can be any material that can insulate, such as insulation cotton.

[0322] The heat insulation medium not only helps to improve the structural strength of the first partition 101, but also has the effects of flame retardancy and heat preservation, which helps to reduce the heat loss of the energy chamber 11 and the impact of external heat on the energy unit 2 inside the energy chamber 11.

[0323] Here, in some embodiments, the housing 10 includes a plurality of control compartments 12, which may contain a control module 30 and a thermal management module 20, or all control compartments 12 may contain the control module 30, or all control compartments 12 may contain the thermal management module 20.

[0324] In some embodiments, there are multiple control compartments 12, and the first separator 101 can also be disposed between adjacent control compartments 12, with adjacent control compartments 12 sharing the first separator 101.

[0325] For example, the first separator 101 separates the thermal management module 20 and the control module 30, reducing the risk of interference between the thermal management module 20 and the control module 30, thereby improving the reliability of the energy storage device 100.

[0326] The thermal management module 20 and the control module 30 are separated by the first separator 101. The first separator 101 can separate the thermal management module 20 and the control module 30, which can reduce the interference of the thermal management module 20 to the control module 30. That is, it can reduce the electromagnetic interference of high voltage lines to low voltage, and also reduce the impact of external rain or sunlight exposure on the control module 30.

[0327] There are multiple ways to arrange the energy chamber 11 and the control chamber 12.

[0328] In some embodiments, at least part of the control chamber 12 and the energy chamber 11 are arranged along the height direction of the chamber body 10.

[0329] Here, some of the control chambers 12 and energy chambers 11 can be arranged along the height of the chamber body 10, or all of the control chambers 12 and energy chambers 11 can be arranged along the height of the chamber body 10.

[0330] As an example, the control chamber 12 is positioned above the energy chamber 11, so that the components inside the control chamber 12 can shield the heat radiation from the top and reduce the impact of heat radiation on the interior of the energy chamber 11.

[0331] For example, at least part of the control chamber 12 and the energy chamber 11 are arranged along the length of the chamber body 10.

[0332] Here, some of the control chambers 12 and energy chambers 11 can be arranged along the length of the chamber body 10, or all of the control chambers 12 and energy chambers 11 can be arranged along the length of the chamber body 10.

[0333] Here, by arranging the control compartment 12 at the end of the compartment 10, the space utilization inside the compartment 10 is maximized. In addition, the control compartment 12 and the energy compartment 11 can be arranged closer together, which is beneficial to improving the structural compactness.

[0334] In some embodiments, please refer to Figures 3 to 4 At least part of the control compartment 12 contains a thermal management module 20, which is located on top of the topmost compartment 10.

[0335] In this embodiment, the thermal management module 20 is located at the top of the topmost compartment 10. The absence of obstructions above the thermal management module 20 facilitates heat dissipation, thereby extending the lifespan of the energy storage device 100. This also helps lower the overall center of gravity of the individual compartment 10, improving transportation safety. Furthermore, the compartmentalized design with the energy compartment 11 enhances the thermal insulation of the energy compartment 11, while the thermal management module 20 shields the top from heat radiation, reducing its impact on the interior of the energy compartment 11.

[0336] In some embodiments, please refer to Figures 6 to 7 At least part of the control compartment 12 contains a control module 30. The control module 30 and the energy compartment 11 are arranged along the height of the compartment 10.

[0337] In other words, the control module 30 can be located above the energy chamber 11, below the energy chamber 11, or in the middle of the two energy chambers 11 along the height direction.

[0338] For example, when there are two chambers 10, the control module 30 is located on top of the lower chamber 10, that is, above the energy chamber 11 of the lower chamber 10. The height of the operating part meets the requirements of ergonomics. Maintenance personnel can reach the operating handle of the control part by standing on one side of the chamber 10, which is convenient for maintenance and repair. At the same time, the control chamber 12 is located at the top, which helps to shorten the length of the high voltage harness 51 and low voltage harness 52 connecting to the upper chamber 10, thereby reducing costs.

[0339] In some embodiments, please refer to Figures 8 to 9 At least part of the control compartment 12 contains a control module 30. The control module 30 and the energy compartment 11 are arranged along the length of the compartment body 10.

[0340] In other words, the control module 30 can be located at the left end of the energy chamber 11, the right end of the energy chamber 11, or the middle of the two energy chambers 11 along the length direction.

[0341] In some embodiments, please refer to Figures 3 to 13 The energy storage device 100 includes a pipeline compartment 13, which is used to accommodate at least a portion of the connecting pipelines between the control module 30, the thermal management module 20, and the energy unit 2.

[0342] For example, the connecting pipelines may be liquid cooling pipelines 90, high-voltage wiring harnesses 51, low-voltage wiring harnesses 52, fire protection pipelines, water fire protection pipelines, etc.

[0343] The pipeline compartment 13 is used to accommodate at least a portion of the connecting pipelines between the control module 30, the thermal management module 20, and the energy unit 2. That is, the connecting pipes and / or connecting lines between the control module 30, the thermal management module 20, and the energy unit 2 can be partially or completely installed in the pipeline compartment 13.

[0344] Of course, the pipeline compartment 13 can also be used to house other components of the energy storage device 100, such as the fire control module 304.

[0345] For example, the high-voltage wiring harness 51 and low-voltage wiring harness 52 connecting the pipeline compartment 13 to the energy compartment 11 and the control compartment 12 are all connected by connectors installed on the partition wall; the pipeline connection between the pipeline compartment 13 and the energy compartment 11 is connected by a liquid-cooled adapter; the wall penetration interfaces are all sealed.

[0346] In this embodiment, the energy storage device 100 is provided with a pipeline compartment 13, which is used to accommodate at least part of the connecting pipelines between the control module 30, the thermal management module 20 and the energy unit 2. This facilitates the routing of cables and pipes, and makes the layout of the connecting pipelines more reasonable, which is convenient for maintenance and replacement.

[0347] In some embodiments, please refer to Figures 6 to 9 Each compartment 10 is equipped with a pipeline compartment 13. That is, each compartment 10 is equipped with one pipeline compartment 13. Of course, a compartment 10 can also be equipped with multiple pipeline compartments 13. At least some of the connecting pipelines between the control module 30, the thermal management module 20 and the energy unit 2 within a compartment 10 can be accommodated in the corresponding pipeline compartment 13. This is beneficial for wiring and piping, and makes the layout of connecting pipelines more reasonable, which is convenient for maintenance and replacement.

[0348] In some embodiments, part of the silo 10 is provided with a pipeline silo 13, while another part of the silo 10 is not provided with a pipeline silo 13.

[0349] Some compartments 10 are equipped with pipeline compartments 13, while others are not. That is, one pipeline compartment 13 accommodates at least a portion of the connecting pipelines between the control modules 30, thermal management modules 20, and energy units 2 of multiple compartments 10. For example, when there are two compartments 10, one compartment 10 is equipped with a pipeline compartment 13, while the other compartment 10 is not. This pipeline compartment 13 accommodates at least a portion of the connecting pipelines between the control modules 30, thermal management modules 20, and energy units 2 of both compartments 10.

[0350] In some embodiments, please refer to Figures 10 to 13At least part of the chamber 10 has an energy chamber 11 and a control chamber 12 inside. The energy chamber 11 is used to accommodate at least one energy unit 2. At least part of the control module 30 and / or at least part of the thermal management module 20 are accommodated in the control chamber 12. The pipeline chamber 13 is disposed inside the chamber 10, and the pipeline chamber 13 and the energy chamber 11 are arranged along the length of the chamber 10.

[0351] In other words, the pipeline compartment 13 can be located at the left end of the energy compartment 11, the right end of the energy compartment 11, or the middle of the two energy compartments 11 along the length direction.

[0352] Of course, in the embodiment with control chamber 12, pipeline chamber 13 and energy chamber 11 can be arranged along the length of chamber body 10 or along the height of chamber body 10.

[0353] In other embodiments, please refer to Figure 16 The pipeline compartment 13 is disposed outside the compartment body 10. For example, the pipeline compartment 13 is provided inside the protective cover 60, or the protective cover 60 and the compartment body 10 define the pipeline compartment 13.

[0354] It should be noted that in the embodiment where the pipeline compartment 13 is located outside the compartment body 10, the pipeline compartment 13 is not part of the compartment body 10, and therefore, the size of the pipeline compartment 13 is not included in the size of the compartment body 10.

[0355] In some embodiments, please refer to Figures 6 to 9 At least part of the compartment 10 includes a second partition 102, which is disposed between the energy compartment 11 and the pipeline compartment 13, and the energy compartment 11 and the pipeline compartment 13 share the second partition 102.

[0356] Here, the second separator 102 may include a metal plate.

[0357] Here, the second partition 102 helps to improve the structural strength of the chamber 10, and also helps to improve the sealing and heat preservation performance of the energy chamber 11.

[0358] In some embodiments, please refer to Figure 9 and Figure 13 At least a portion of the compartment 10 includes a third partition 103, which is disposed between the pipeline compartment 13 and at least a portion of the control compartment 12, and the pipeline compartment 13 and at least a portion of the control compartment 12 share the third partition 103.

[0359] Here, the third separator 103 may include a metal plate.

[0360] Here, the third partition 103 helps to improve the structural strength of the chamber 10, and also helps to improve the sealing and insulation performance of the partial control chamber 12.

[0361] For example, the control compartment 12 containing the thermal management module 20 can be connected to the pipeline compartment 13 so that the energy compartment 11 can be connected to the control compartment 12 containing the thermal management module 20 through the pipeline compartment 13.

[0362] For example, the control compartment 12, which houses the control module 30, can be isolated from the pipeline compartment 13.

[0363] In some embodiments, please refer to Figure 4 The energy chamber 11, control chamber 12 and pipeline chamber 13 are equipped with a first door 104, and the first door 104 of the energy chamber 11, control chamber 12 and pipeline chamber 13 are all located on the front side of the chamber body 10.

[0364] In this embodiment, by setting the first doors 104 of the energy chamber 11, control chamber 12 and pipeline chamber 13 on the front side of the chamber body 10, maintenance can be carried out through their respective first doors 104. This reduces the land waste that traditional chamber bodies 10 must reserve more than 3m of maintenance passage between each chamber body 10. The grid-shaped chamber bodies 10 only need to reserve normal paint touch-up maintenance passages, which can improve the user's land investment returns and increase the user's energy returns per unit area.

[0365] In some embodiments, please refer to Figure 17 At least part of the compartment 10 has an energy compartment 11 and a control compartment 12 inside. The energy compartment 11 is used to accommodate at least one energy unit 2. At least part of the control module 30 and / or at least part of the thermal management module 20 are accommodated in the control compartment 12. The compartment 10 is provided with a first compartment door 104 on at least one side along the width direction, and the control compartment 12 and / or the pipeline compartment 13 is provided with a second compartment door 70 on at least one side along the width direction.

[0366] Here, the second door 70 can be a maintenance door, which facilitates the maintenance of the energy storage device 100.

[0367] The energy compartment 11, control compartment 12, and pipeline compartment 13 can all be equipped with maintenance doors.

[0368] In some embodiments, please refer to Figure 17 The control compartment 12 and / or the pipeline compartment 13 are provided with a second compartment door 70 on at least one side along the width direction.

[0369] In other words, the silo body 10 may have a second silo door 70 on at least one side along the width direction, or it may have a second silo door 70 on both sides along the width direction, so that the silo body 10 has a second silo door 70 corresponding to the area of ​​at least part of the control silo 12 and / or at least part of the pipeline silo 13.

[0370] For example, a second door 70 is provided on the right side of the upper compartment 10, the right side of the control compartment 12, and the right side of the lower compartment 10. By opening the second door 70, the liquid cooling pipeline 90, the high-voltage wiring harness 51, and the low-voltage wiring harness 52 can be inspected and maintained.

[0371] In this embodiment, it is beneficial to reduce the land waste that traditional warehouse 10 must reserve more than 3m of maintenance passage between adjacent warehouses 10. The grid warehouse 10 only needs to reserve normal paint touch-up maintenance passage, which can improve the user's land investment return and increase the user's energy return per unit area.

[0372] In some embodiments, please refer to Figures 6 to 13 ,as well as Figure 19 The height of the topmost compartment 10 is greater than the height of the other compartments 10, and the topmost compartment 10 contains at least part of the thermal management module 20.

[0373] Here, either some of the thermal management modules 20 can be housed in the topmost compartment 10, or all of the thermal management modules 20 can be housed in the topmost compartment 10.

[0374] Here, by setting the topmost compartment 10 to house at least part of the thermal management module 20, the thermal management module 20 can be located on top of the energy storage device 100, with no obstructions above it, which further facilitates the heat dissipation of the thermal management module 20.

[0375] By setting the height of the topmost compartment 10 to be greater than the height of the other compartments 10, it is beneficial to increase the space inside the compartment 10 that houses the thermal management module 20. This reduces the impact of the thermal management module 20 on the volume of the energy unit 2, and allows different compartments 10 to have roughly the same or identical space to house the energy unit 2, which is beneficial to improving the versatility of the energy unit 2.

[0376] For example, the energy storage device 100 may include three compartments 10, which are stacked along the height direction, and the height of the top compartment 10 is greater than the height of the two compartments 10 below it.

[0377] For example, the energy storage device 100 may include two compartments 10, which are stacked along the height direction, and the height of the upper compartment 10 is greater than the height of the two lower compartments 10.

[0378] In this embodiment, by accommodating at least a portion of the thermal management module 20 in the topmost compartment 10, heat dissipation of the thermal management module 20 is facilitated, allowing it to have more heat dissipation channels and improving its temperature control performance. This also helps lower the overall center of gravity of the individual energy storage compartment 100a, which is beneficial for transportation safety. Furthermore, the thermal management module 20 can shield the top from heat radiation, reducing its impact on the interior of the energy compartment 11. In addition, by setting the height of the topmost compartment 10 to be greater than the height of the other compartments 10, the space within the compartment 10 housing the thermal management module 20 is increased, thereby reducing the impact of the thermal management module 20 on the volume of the energy unit 2. This ensures that the compartment 10 has sufficient space to accommodate both the energy unit 2 and the thermal management module 20, and also allows for the placement of a thermal management module 20 with higher cooling capacity, improving thermal management capabilities. In addition, different compartments 10 can have roughly the same or identical space to accommodate the energy unit 2, which is beneficial to improve the versatility of the energy unit 2 and improve the assembly efficiency of the energy unit 2, reduce costs, and improve the uniformity of the electricity in different compartments 10, thereby improving the performance of the energy storage device 100.

[0379] In some embodiments, please refer to Figures 6 to 13 ,as well as Figure 19 Except for the topmost compartment 10, all other compartments 10 have the same height.

[0380] For example, the energy storage device 100 may include three compartments 10, which are stacked along the height direction, with the height of the top compartment 10 being greater than the height of the two compartments 10 below it, and the two compartments 10 below it having the same height.

[0381] In this embodiment, by setting the height of all the other storage units 10 except the topmost storage unit 10 to be the same, that is, all the other storage units 10 except the topmost storage unit 10 can use the same storage unit 10, which helps to improve the versatility of the storage units 10 and thus helps to reduce costs.

[0382] Of course, in other embodiments, the energy storage device 100 may include three compartments 10, which are stacked along the height direction, with the height of the top compartment 10 being greater than the height of the two compartments 10 below it, and the heights of the two compartments 10 below it being different.

[0383] In some embodiments, please refer to Figures 6 to 13 ,as well as Figure 19The plurality of compartments 10 include a first compartment 3 and at least one second compartment 4. The first compartment 3 is located above the second compartment 4. The second compartment 4 includes a main body portion 15. The first compartment 3 includes the main body portion 15 and a mounting portion 16 disposed above the main body portion 15. At least a portion of the thermal management module 20 is accommodated in the mounting portion 16. The main body portion 15 is used to accommodate at least one energy unit 2.

[0384] Here, a first compartment 3 and at least one second compartment 4 are stacked along the height direction, and the height of the first compartment 3 is greater than the height of the second compartment 4.

[0385] Here, both the first compartment 3 and the second compartment 4 have a main body 15, which is used to accommodate at least one energy unit 2. This is beneficial to improving the versatility of the main body 15 of the first compartment 3 and the second compartment 4, and to improving the assembly efficiency of the energy unit 2 and reducing costs. In addition, it is beneficial to improve the uniformity of the electricity in different compartments 10, thereby improving the performance of the energy storage device 100.

[0386] The first compartment 3 also includes a mounting portion 16 disposed above the main body 15. At least a portion of the thermal management module 20 is housed in the mounting portion 16. In other words, the first compartment 3 has an additional mounting portion 16 compared to the second compartment 4. This mounting portion 16 accommodates at least a portion of the thermal management module 20, thus increasing the internal space of the first compartment 3 to accommodate the thermal management module 20. This reduces the impact of the thermal management module 20 on the volume of the main body 15, ensuring that the first compartment 3 has sufficient space to accommodate the energy unit 2 and the thermal management module 20. Furthermore, it allows for the placement of a thermal management module 20 with higher cooling capacity, improving thermal management capabilities. By positioning the mounting portion 16 above the main body 15, heat dissipation of the thermal management module 20 is facilitated, providing it with more heat dissipation channels and improving its temperature control performance. Simultaneously, it helps lower the overall center of gravity of the individual energy storage compartment 100a, which is beneficial for transportation safety. Additionally, the thermal management module 20 can shield against top heat radiation, reducing the impact of heat radiation on the interior of the energy compartment 11.

[0387] In some embodiments, please refer to Figures 6 to 13 ,as well as Figure 19 The main body 15 has an energy chamber 11 and a control chamber 12 inside. The energy chamber 11 is used to accommodate at least one energy unit 2, and at least part of the control module 30 and / or at least part of the thermal management module 20 are accommodated in the control chamber 12.

[0388] Here, "at least part of the control module 30 and / or at least part of the thermal management module 20 are housed in the control compartment 12" means that at least part of the control module 30 can be housed in the control compartment 12, at least part of the thermal management module 20 can be housed in the control compartment 12, or at least part of the control module 30 and at least part of the thermal management module 20 can be housed in the control compartment 12.

[0389] For example, all of the thermal management modules 20 may be housed in the mounting portion 16, or some of the thermal management modules 20 may be housed in the mounting portion 16, while another portion of the thermal management modules 20 may be housed in the control compartment 12 of the main body portion 15.

[0390] In this embodiment, by providing an energy chamber 11 and a control chamber 12 inside the main body 15, and by placing at least a portion of the control module 30 and / or at least a portion of the thermal management module 20 inside the control chamber 12, the space inside the chamber 10 can be fully utilized, further improving the space utilization rate of the chamber 10.

[0391] In some embodiments, please refer to Figures 6 to 13 The main body 15 also has a pipeline compartment 13 inside.

[0392] In some embodiments, please refer to Figures 6 to 13 ,as well as Figure 19 At least a portion of the thermal management module 20 is housed in the control compartment 12 of the first compartment 3, and at least a portion of the control module 30 is housed in the control compartment 12 of the second compartment 4.

[0393] At least a portion of the control modules 30 are housed in the control compartment 12 of the second compartment 4. This could mean that all of the control modules 30 are housed in the control compartment 12 of the second compartment 4, or that a portion of the control modules 30 are housed in the control compartment 12 of the second compartment 4, while another portion of the control modules 30 are housed in the control compartment 12 of the first compartment 3.

[0394] For example, the thermal management module 20 includes a fan, a compressor, an evaporator, a condenser, etc.

[0395] Here, by accommodating some components of the thermal management module 20 (such as a fan) in the mounting portion 16, and accommodating some components of the thermal management module 20 (such as a compressor, evaporator, condenser, etc.) in the first compartment 3 or the second compartment 4, the energy storage converter is electrically connected to the energy unit in the first compartment and the second compartment.

[0396] In this embodiment, by accommodating some components of the thermal management module 20 (such as the fan) in the mounting portion 16, it is beneficial for the thermal management module 20 to dissipate heat, enabling the thermal management module 20 to have more heat dissipation channels, improving the temperature control effect of the thermal management module 20, and also helping to reduce the auxiliary power consumption of the thermal management module 20. By accommodating some components of the thermal management module 20 (such as the compressor, evaporator, condenser, etc.) in the control compartment 12 of the first compartment 3, it is beneficial to reduce the overall height of the first compartment 3, lower the center of gravity, and improve the space utilization rate within the first compartment 3, making the structural layout more reasonable.

[0397] In some embodiments, please refer to Figures 6 to 13 ,as well as Figure 19 The energy storage device 100 includes an energy storage converter, which is housed in a first compartment 3 or a second compartment 4, and is electrically connected to the energy units in the first compartment 3 and the second compartment 4.

[0398] A power conversion system (PCS) controls the charging and discharging process of a battery, converting AC to DC power, and can directly supply power to AC loads in the absence of a power grid. A PCS consists of a DC / AC bidirectional converter, a control unit, etc. The PCS controller receives control commands from the backend via communication and controls the converter to charge or discharge the battery according to the sign and magnitude of the power command, thereby regulating the active and reactive power of the power grid. The PCS controller communicates with the battery management system (BMS) through a CAN interface to obtain battery status information, enabling protective charging and discharging of the battery.

[0399] Here, some of the control modules 30 may be housed in the control compartment 12 of the first compartment 3, and the other part of the control modules 30 may be housed in the control compartment 12 of the second compartment 4.

[0400] Here, some of the energy storage converters may be housed in the control compartment 12 of the second compartment 4, while the other part of the energy storage converters may be housed in the control compartment 12 of the first compartment 3.

[0401] To facilitate rapid on-site installation for customers, at least part of the energy storage converter is housed in the control compartment 12 of the second compartment 4. After the compartments 10 are stacked on-site, the connection with the PCS can be completed. This helps reduce the workload of on-site assembly, improves assembly efficiency, and makes it convenient for customers to use.

[0402] In some embodiments, please refer to Figures 6 to 13 The multiple compartments 10 include a first compartment 3 and a second compartment 4. The first compartment 3 is located above the second compartment 4. At least the first compartment 3 contains multiple energy units 2. The thermal management module 20 is disposed inside the first compartment 3 and located on top of the multiple energy units 2. The control module 30 is disposed in the first compartment 3 and / or the second compartment 4.

[0403] The first compartment 3 and the second compartment 4 are stacked along the height direction, with the first compartment 3 located above the second compartment 4.

[0404] The statement that the control module 30 is located in the first compartment 3 and / or the second compartment 4 means that the control module 30 can be located in the first compartment 3, the second compartment 4, or both the first compartment 3 and the second compartment 4.

[0405] The first compartment 3 is located above the second compartment 4, allowing the thermal management module 20 to be positioned on top of the energy storage device 100. The absence of obstructions above the thermal management module 20 further facilitates its heat dissipation. Furthermore, this design further separates the thermal management module 20 from the control module 30, reducing interference from the thermal management module 20 to the control module 30.

[0406] In this embodiment, by housing the thermal management module 20 in the control compartment 12 of the upper first compartment 3 and the control module 30 in the control compartment 12 of the lower second compartment 4, the interference of the thermal management module 20 on the control module 30 can be reduced. Furthermore, the location of the thermal management module 20 in the upper first compartment 3 further facilitates heat dissipation, allowing it to have more heat dissipation channels and improving its temperature control performance. This also helps lower the overall center of gravity of the individual energy storage compartment 100a, which is beneficial for transportation safety. In addition, the compartmentalized design with the energy compartment 11 improves the thermal insulation effect of the energy compartment 11, while the thermal management module 20 shields the top from heat radiation, reducing the impact of heat radiation on the interior of the energy compartment 11.

[0407] In other embodiments, the thermal management module 20 may be disposed at the bottom of the first compartment 3; and / or at the bottom of the second compartment 4; and / or at the top of the second compartment 4.

[0408] For example, the first compartment 3 includes an energy compartment 11, a pipeline compartment 13, and a control compartment 12 containing a thermal management module 20. The energy compartment 11 is isolated from the pipeline compartment 13 and the control compartment 12 containing the thermal management module 20. The control compartment 12 containing the thermal management module 20 is connected to the pipeline compartment 13. The energy compartment 11 is connected to the upper control compartment 12 containing the thermal management module 20 via the pipeline compartment 13, and is also connected to the lower compartment 10. The energy compartment 11 contains an energy unit 2. The system includes connecting pipes between energy units 2, connecting wire harnesses 50 between energy units 2, liquid-cooled main pipeline 91, fire sensors, etc.; the pipeline compartment 13 includes liquid-cooled pipelines 90 passing through the wall, high-voltage wire harnesses 51, low-voltage wire harnesses 52, fire-fighting pipelines, water fire-fighting pipelines, etc.; the control compartment 12 containing the thermal management module 20 includes a liquid-cooled unit and its fixed support, and the top wall and / or side wall of the control compartment 12 containing the thermal management module 20 are provided with ventilation openings 14, which are used for ventilation of the thermal management module 20.

[0409] For example, the second compartment 4 includes an energy compartment 11, a pipeline compartment 13, and a control compartment 12 containing a control module 30. The energy compartment 11, the pipeline compartment 13, and the control compartment 12 containing the control module 30 are isolated from each other. The energy compartment 11 is connected to the upper control compartment 12, the pipelines of the first compartment 3, and the external high-voltage wiring harness 51 and low-voltage wiring harness 52 through the pipeline compartment 13. The energy compartment 11 includes energy units 2, connecting pipelines between energy units 2, liquid cooling main pipeline 91, connecting wiring harness 50 between energy units 2, fire sensors, etc. The control compartment 12 includes a main control box and a power distribution main control box. The pipeline compartment 13 includes the connecting wiring harness 50 between the control compartment 12 and the energy compartment 11, the high-voltage wiring harness 51 and low-voltage wiring harness 52 connected to the upper energy compartment 11, the pipelines and wiring harnesses connected to the upper unit, the fire control system, fire pipelines, the high-voltage wiring harness 51 and low-voltage wiring harness 52 connected to the external PCS and EMS, water fire pipelines, etc.

[0410] To facilitate rapid on-site installation for customers, the control module 30 and thermal management module 20 are integrated inside the housing 10. After the housing 10 is stacked on-site, it can be connected to the PCS and EMS, which helps reduce the workload of on-site assembly, improves assembly efficiency, and makes it convenient for customers to use.

[0411] An Energy Management System (EMS) is a collection of software and hardware used to monitor, control, analyze, and optimize energy systems. It achieves efficient energy management and optimized allocation through real-time monitoring and intelligent control of all aspects of energy production, distribution, and consumption.

[0412] For example, the control module 30 includes two main control modules 301, which are located in the first compartment 3 and the second compartment 4 respectively. The two main control modules 301 are used to control the input or output of electrical energy of the energy unit 2 in the first compartment 3 and the second compartment 4 respectively. Both main control modules 301 are electrically connected to the main control module 303.

[0413] The main control module 301 is used to control the input and output of high-voltage electrical energy of the energy unit 2 inside the chamber 10.

[0414] Here, a main control module 301 is provided in both the first compartment 3 and the second compartment 4 to facilitate the connection between the main control module 301 and the energy unit 2 in the first compartment 3 and the second compartment 4.

[0415] For example, the control module 30 includes a central control module 303, which is located within the second compartment.

[0416] The main control module 303 is used to control the switching actions of the main control module 301 inside the silo 10.

[0417] Here, the central control module 303 is located within the second compartment for easy maintenance. Furthermore, the cooperation between the central control module 303 and the two main control modules 301 helps save space and reduce costs.

[0418] For example, the control module 30 includes a fire control module 304, which is located in the first compartment 3 or the second compartment 4 and is used to fire the energy unit 2 in the first compartment 3 and the second compartment 4.

[0419] Here, fire sensors, fire pipes, etc. are installed in the first compartment 3 and the second compartment 4 to be used in conjunction with the fire control module 304.

[0420] Using a fire control module 304 to control the fire protection of the energy units 2 in the first compartment 3 and the second compartment 4 helps to save space and reduce costs.

[0421] In some embodiments, please refer to Figure 13 The control module 30 is located inside the second chamber 4 and on top of the multiple energy units 2 of the second chamber 4.

[0422] In this embodiment, by placing the control module 30 inside the second compartment 4 and on top of the multiple energy units 2 of the second compartment 4, the height of the operating part conforms to ergonomic requirements. Maintenance personnel can easily reach the operating handle of the control part while standing on one side of the compartment 10, facilitating maintenance and repair. At the same time, the top position of the control compartment 12 helps to shorten the length of the high-voltage wiring harness 51 and low-voltage wiring harness 52 connecting it to the upper compartment 10, thereby reducing costs. In addition, it also helps to lower the overall center of gravity of a single compartment 10, improving transportation safety.

[0423] In other embodiments, the control module 30 may be located at the bottom or side of the first compartment 3; and / or at the bottom of the second compartment 4; and / or at the top of the second compartment 4.

[0424] In some embodiments, please refer to Figure 4 At least a portion of the chamber 10 includes a first connector 6, which is electrically connected to the control module 30. Each chamber 10 includes a second connector 7, which is electrically connected to the energy unit 2. The first connector 6 is used to mate with each second connector 7.

[0425] The phrase "at least part of the compartment 10 includes the first connector 6" means that a part of the compartment 10 may include the first connector 6 while another part of the compartment 10 may not have the first connector 6, or all of the compartment 10 may include the first connector 6.

[0426] The first connector 6 and the second connector 7 can be directly connected to achieve the cooperation between the first connector 6 and the second connector 7. For example, the first connector 6 can be plugged into each of the second connectors 7. Alternatively, the first connector 6 can be fixed to the control compartment 12, and the second connector 7 can be movably disposed on the compartment body 10; the first connector 6 can be movably disposed on the control compartment 12, and the second connector 7 can be fixedly disposed on the compartment body 10; or the first connector 6 and the second connector 7 can be movably disposed on the control compartment 12 and the compartment body 10, respectively. The first connector 6 can include multiple connecting parts, each corresponding to and connected to a second connector 7, to achieve connection between the first connector 6 and multiple second connectors 7.

[0427] For example, the first connector 6 is disposed on the first partition 101 and / or the third partition 103 of the control compartment 12.

[0428] Alternatively, the first connector 6 and the second connector 7 can be connected by a connector, which can be a cable. Specifically, the first connector 6 and the second connector 7 can be fixed to the chamber body 10; the first connector 6 can be fixed to the chamber body 10, and the second connector 7 can be movably disposed on the chamber body 10; the first connector 6 can be movably disposed on the chamber body 10, and the second connector 7 can be fixed to the chamber body 10; or the first connector 6 and the second connector 7 can be movably disposed on the chamber body 10.

[0429] As an example, the first connector 6 is fixedly mounted on the control compartment 12, and the two second connectors 7 are respectively fixed to the two compartment bodies 10. The first connector 6 and the second connector 7 are connected by a cable. The cable can be a quick-connect cable, with quick connectors at both ends, and the two quick connectors are connected to the first connector 6 and the second connector 7 respectively.

[0430] In embodiments where the first connector 6 and the second connector 7 are connected by a cable, the cable may be at least partially inserted inside the compartment 10, or partially inserted outside the compartment 10; the interface of the first connector 6 may be located outside the control compartment 12, and the cable may be entirely located outside the control compartment 12; the interface of the second connector 7 may be located outside the compartment 10, and the cable may be entirely located outside the compartment 10.

[0431] In this embodiment, the first connector 6 and each of the second connectors 7 cooperate to achieve a quick connection between the control module 30 and the energy unit 2, making the connection between the control module 30 and the energy unit 2 more convenient.

[0432] In some embodiments, please refer to Figure 4 The energy storage device 100 includes multiple battery units 80, each battery unit 80 including a thermal management component 82 and multiple energy units 2. The thermal management component 82 is used to regulate the temperature of the energy units 2. At least a portion of the compartment 10 includes a third connector 8, and each compartment 10 includes a fourth connector 9. The third connector 8 communicates with the thermal management module 20, and the fourth connector 9 communicates with the thermal management component 82. The third connector 8 is used to mate with each fourth connector 9.

[0433] As an example, the thermal management component 82 can be plate-shaped or tubular, etc., and the thermal management component 82 has flow channels inside, which can be used to introduce fluid to heat or cool the energy unit 2. The fluid can be a refrigerant or coolant.

[0434] When the battery device 80 is a battery module, the thermal management component 82 can be the bottom plate, top plate or side plate of the battery module, or it can be located between adjacent energy units 2.

[0435] When battery device 80 is a battery pack, please refer to Figure 18The thermal management component 82 can be part of the housing 81 or located within the housing 81's containment space. The thermal management component 82 can also be located between adjacent energy units 2.

[0436] The phrase "at least part of the compartment 10 includes the third connector 8" means that a part of the compartment 10 may include the third connector 8 while another part of the compartment 10 may not have the third connector 8, or all of the compartment 10 may include the third connector 8.

[0437] The third connector 8 and the fourth connector 9 can be directly connected to achieve cooperation between them, for example, the third connector 8 can be plugged into each of the fourth connectors 9. Specifically, the third connector 8 can be fixed to the control compartment 12, and the fourth connector 9 can be movably disposed on the compartment body 10; alternatively, the third connector 8 can be movably disposed on the control compartment 12, and the fourth connector 9 can be fixedly disposed on the compartment body 10; or the third connector 8 and the fourth connector 9 can be movably disposed on the control compartment 12 and the compartment body 10, respectively. The third connector 8 can include multiple connecting parts, each corresponding to and connected to one of the fourth connectors 9, to achieve communication between the third connector 8 and multiple fourth connectors 9.

[0438] For example, the third connector 8 is disposed on the first partition 101 and / or the third partition 103 of the control compartment 12.

[0439] Alternatively, the third connector 8 and the fourth connector 9 can be connected by a connector, which can be a pipe. Specifically, the third connector 8 and the fourth connector 9 can be fixed to the control compartment 12 and the compartment body 10 respectively; the third connector 8 can be fixed to the control compartment 12, and the fourth connector 9 can be movably disposed on the compartment body 10; the third connector 8 can be movably disposed on the control compartment 12, and the fourth connector 9 can be fixed to the compartment body 10; or the third connector 8 and the fourth connector 9 can be movably disposed on the control compartment 12 and the compartment body 10 respectively.

[0440] As an example, the thermal management module 20 is equipped with a third connector 8, and each compartment 10 is equipped with a fourth connector 9. The third connector 8 and the fourth connector 9 are connected by a conduit. The conduit can be a quick-connect conduit, with quick-connect fittings at both ends. The first connector 6 and the second connector 7 are also quick-connect fittings, and the two quick-connect fittings at both ends of the conduit are connected to the first connector 6 and the second connector 7, respectively.

[0441] In this embodiment, the third connector 8 and the fourth connector 9 work together to enable rapid connection between the thermal management component 82 and the thermal management module 20, which facilitates the installation of the thermal management module 20.

[0442] In some embodiments, the thermal management module 20 is connected to a plurality of thermal management components 82 via a liquid cooling pipeline 90. The liquid cooling pipeline 90 includes a main pipeline 91 and a plurality of branch pipelines 92. The plurality of branch pipelines 92 are connected in parallel to the main pipeline 91. The main pipeline 91 is connected to the thermal management module 20, and the plurality of branch pipelines 92 are respectively connected to the plurality of thermal management components 82. The main pipeline 91 is located above the plurality of battery devices 80, or the main pipeline 91 is located below the plurality of battery devices 80.

[0443] In embodiments where the main pipeline 91 is located above multiple battery devices 80, it facilitates the flow of liquid cooling medium from top to bottom through the main pipeline 91 to multiple branch pipelines 92 to cool the battery devices 80.

[0444] In embodiments where the main pipeline 91 is located below the plurality of battery devices 80, it facilitates the flow of liquid cooling medium from bottom to top through the main pipeline 91 to the plurality of branch pipelines 92 to cool the battery devices 80.

[0445] For example, the energy storage device 100 includes two compartments 10, each of which contains an energy unit 2. A main pipeline 91 is located above the two compartments 10, or below the two compartments 10, or one main pipeline 91 is located above one compartment 10 and the other main pipeline 91 is located below the other compartment 10.

[0446] Here, by placing the main pipeline 91 above or below the multiple battery units 80, it is beneficial to shorten the liquid cooling pipeline 90, thereby reducing costs and improving cooling efficiency.

[0447] In some embodiments, the energy unit 2 is a battery cell, and the weight of a single energy unit 2 is 5 kg to 60 kg.

[0448] The weight of a single energy unit 2 can be any one of 5kg, 10kg, 15kg, 20kg, 25kg, 30kg, 35kg, 40kg, 45kg, 50kg, 55kg, or 60kg, or any value between two of them. As an example, the mass of a single energy unit 2 is 30kg.

[0449] The weight of the energy unit 2 is appropriate so that a suitable number of energy units 2 can be placed inside the container 10, and the energy density is moderate while meeting transportation requirements.

[0450] In some embodiments, the energy storage device 100 includes an energy storage compartment 100a, which includes a compartment body 10 and components disposed within the compartment body 10. The weight of the energy storage compartment 100a is M, and the total weight of the energy units 2 within the compartment body 10 is M1. .

[0451] For example, It can be 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, 90%, etc.

[0452] In this way, on the one hand, the weight ratio of energy unit 2 in unit volume of storage body 10 can be increased, thereby increasing the power of energy storage device 100 per unit volume; on the other hand, during the transportation of energy storage device 100, more energy unit 2 that contributes to energy storage and is difficult to produce and cannot be completed at the destination is transported, while other structures can be completed in a place closer to the destination without transportation or with reduced transportation. After the storage body 10 is assembled into energy storage device 100, it is beneficial to reduce the transportation cost of the assembled energy storage device 100.

[0453] In some embodiments, .

[0454] For example, It can be 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, or 90%, etc.

[0455] This further helps to reduce the transportation cost of the assembled energy storage device 100.

[0456] In some embodiments, the energy storage device 100 includes an energy storage compartment 100a, which includes a compartment body 10 and components disposed within the compartment body 10. The weight of the energy storage compartment 100a is M. Multiple battery devices 80 are disposed within the compartment body 10. Each battery device 80 includes a housing 81 and multiple energy units 2, which are housed within the housing 81. The total weight of the battery devices 80 is M2. .

[0457] It can be any one of 70%, 71%, 72%, 73%, 74%, 75%, 76%, 77%, 78%, 79%, 80%, 81%, 82%, 83%, 84%, 85%, 86%, 87%, 88%, 89%, 90%, or any value between two of them.

[0458] when When this is done, the weight ratio of energy unit 2 in the unit volume of the chamber 10 can be increased, thereby increasing the energy density of the chamber 10; when At that time, it can maintain the structural strength of the chamber 10. Therefore, when At the same time, it can balance the energy density of the energy storage compartment 100a and the structural strength of the compartment 10, making the compartment 10 more practical.

[0459] In some embodiments, multiple battery devices 80 may be arranged in rows and columns, with multiple battery devices 80 in each row arranged along the length direction and multiple battery devices 80 in each column arranged along the height direction. Each battery device 80 includes a thermal management component 82 and multiple energy units 2. The housing 10 also includes a third connector 8 and multiple fourth connectors 9. The third connector 8 connects to the thermal management module 20 and each fourth connector 9, and each fourth connector 9 connects to the thermal management component 82 of the multiple battery devices 80 in a column.

[0460] For example, multiple battery devices 80 are arranged in 2 layers and 2 columns, 3 layers and 3 columns, 4 layers and 4 columns, 4 layers and 3 columns, etc.

[0461] It should be noted that multiple battery devices 80 can also be arranged in multiple rows, such as 2, 3, 4, 5 or 6 rows; or in multiple columns, such as 2, 3, 4, 5 or 6 columns.

[0462] In some embodiments, the volume of the chamber 10 is V, and the total volume of the energy units 2 within the chamber 10 is V1. .

[0463] Energy unit 2 includes an outer shell, and the volume of energy unit 2 is the same as the volume of the outer shell. For example, energy unit 2 is a square-shell energy unit 2, and the product of the length, width, and height of the square-shell energy unit 2 is the same as the product of the length, width, and height of the outer shell.

[0464] In an embodiment where the energy unit 2 also includes electrode terminals, the electrode terminals are disposed on the housing and partially protrude from the housing. The electrode terminals are electrically connected to the electrode assembly, and the portion of the electrode terminals protruding from the housing is not considered part of the volume of the energy unit 2.

[0465] It can be 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 55%, 60%, 65%, or 70%, etc.

[0466] On the one hand, it can increase the volume ratio of energy unit 2 in the unit volume of the storage body 10, thereby increasing the power of the energy storage device 100 per unit volume. On the other hand, during the transportation of the energy storage device 100, more energy units 2 that contribute to energy storage and are difficult to produce at the destination are transported. Other functional components of the energy storage device 100, such as control components, can be produced in a place closer to the destination without transportation or with reduced transportation. After the storage body 10 is assembled into the energy storage device 100, it is beneficial to reduce the transportation cost of the assembled energy storage device 100.

[0467] In some embodiments, .

[0468] It can be 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 75%, 80%, 85%, or 90%, etc.

[0469] This further helps to reduce the transportation cost of the assembled energy storage device 100.

[0470] In some embodiments, the volume of the housing 10 is V, and a plurality of battery devices 80 are disposed within the housing 10. Each battery device 80 includes a housing 81 and a plurality of energy units 2, which are housed within the housing 81. The total volume of the battery device 80 is V2. .

[0471] The volume of energy unit 2 is the same as the volume of box 81. For example, if box 81 is a cuboid structure, the volume of energy unit 2 is equal to the product of the length, width, and height of box 81.

[0472] It can be any one of 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58%, 59%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, 70%, 75%, 80%, or any value between two of them.

[0473] when When this is the case, it can increase the volume ratio of energy unit 2 in the unit volume of the storage chamber 10, thereby increasing the energy density of the energy storage device 100; when At this time, the storage unit 10 has enough structural components to maintain its structural strength. Therefore, when 50%≤(V2 / V)×100%≤80%, the energy density of the energy storage device 100 and the structural strength of the storage unit 10 can be balanced, making the storage unit 10 more practical.

[0474] In some embodiments, please refer to Figure 6 The energy storage device 100 includes an energy storage chamber 100a, which includes a chamber body 10 and components disposed within the chamber body 10. The energy of the energy storage chamber 100a is E. The dimension of the chamber body 10 along its length is a, and the dimension of the chamber body 10 along its width is b. .

[0475] It can be 250KW / m 2 300KW / m 2 350KW / m 2 400KW / m 2 450KW / m 2 460KW / m 2 470KW / m 2 480KW / m 2 485KW / m 2 490KW / m 2 495KW / m 2 500KW / m 2 510KW / m 2 550KW / m 2 600KW / m 2 650KW / m 2 700KW / m 2 The point value of any one of them or the point value between any two.

[0476] Energy E can be obtained from the nameplate of the energy storage device 100.

[0477] when When E / (a×b)≤700KW / m 2 This reduces the risk of the large mass of compartment 10 damaging other compartments 10, and facilitates the transportation of compartment 10. Therefore, when At the same time, it takes into account both the energy density of the energy storage device 100 and the mass setting of the storage unit 10, which improves the practicality of the energy storage device 100 and facilitates the transportation of the energy storage device 100.

[0478] In some embodiments, .

[0479] It can be 450KW / m 2 455KW / m 2 460KW / m 2 465KW / m2 470KW / m 2 475KW / m 2 480KW / m 2 485KW / m 2 490KW / m 2 495KW / m 2 500KW / m 2 505KW / m 2 510KW / m 2 515KW / m 2 520KW / m 2 530KW / m 2 540KW / m 2 550KW / m 2 600KW / m 2 The point value of any one of them or the point value between any two.

[0480] As an example, This can further improve the energy density of the energy storage device 100 and the mass setting of the storage unit 10, and facilitate the transportation of the energy storage device 100.

[0481] In some embodiments, two adjacent compartments 10 are welded, snap-fitted, locked together, or connected by fasteners along the height direction of the compartment 10.

[0482] The fastener can be at least one of bolts, nuts, pins, screws, or rivets. Of course, the fastener may also include a fixing plate to securely connect two adjacent compartments 10 along the height direction.

[0483] For example, two adjacent compartments 10 are connected by a central twist lock.

[0484] By connecting two adjacent compartments 10 along the height direction with fasteners, the fasteners can limit the movement of the two adjacent compartments 10 along the height direction, which helps to reduce the risk of mutual movement between the two adjacent compartments 10 after stacking, and thus helps to improve the structural stability of the energy storage device 100.

[0485] In some embodiments, please refer to Figures 6 to 9 ,as well as Figure 15 The multiple compartments 10 include a first compartment 3 and a second compartment 4. The first compartment 3 is located above the second compartment 4. A limit pin 42 is provided at the bottom of the first compartment 3, and a limit hole 411 is provided at the top of the second compartment 4. The limit pin 42 is engaged with the limit hole 411.

[0486] The compartment 10 includes a first compartment 3 and a second compartment 4. The same compartment 10 is the first compartment 3 relative to the compartment 10 below it, and the second compartment 4 relative to the compartment 10 above it. In other words, a compartment 10 can be both the first compartment 3 and the second compartment 4. Alternatively, a limiting pin 42 can be provided at the bottom of a compartment 10, and a limiting hole 411 can be provided at its top.

[0487] Thus, by using a simple structure, the two adjacent compartments 10 along the height direction can restrict the relative movement of the two adjacent compartments 10 through the cooperation of the limiting pin 42 and the limiting hole 411.

[0488] The limiting hole 411 at the top of the second compartment 4 can be an opening for hoisting the compartment 10. In this way, during the hoisting stage of the compartment 10, the opening is used to hoist the compartment 10. After the compartment 10 is hoisted, the opening at the top of the compartment 10 is used to cooperate with the limiting pin 42 at the bottom of the adjacent upper compartment 10 to achieve the limiting of the two adjacent compartments 10. This helps to simplify the structure of the compartment 10.

[0489] In some embodiments, please refer to Figures 6 to 9 ,as well as Figure 15 The bottom of the first compartment 3 is provided with a first limiting member 31, and the first limiting member 31 is provided with a limiting groove 311. The top of the second compartment 4 is provided with a second limiting member 41, and the second limiting member 41 is provided with a limiting hole 411. The two ends of the limiting pin 42 are respectively engaged with the limiting groove 311 and the limiting hole 411.

[0490] The second limiting member 41 can be the aforementioned hoisting part, and the limiting hole 411 can be the aforementioned opening. The limiting hole 411 can also be a hole provided on the first compartment 3.

[0491] In this embodiment, during the stacking of the hoppers 10 along the height direction, the limiting pin 42 engages with the limiting groove 311 of the upper hopper 10 of the two adjacent hoppers 10 and with the limiting hole 411 of the lower hopper 10 of the two adjacent hoppers 10. In this way, the purpose of restricting the relative movement of the two adjacent hoppers 10 is achieved through a simple structure.

[0492] This simplifies the manufacturing process and reduces costs.

[0493] This disclosure provides an energy storage device 100, including a first compartment 3, a second compartment 4, a control module 30, a thermal management module 20, and multiple energy units 2. The first compartment 3 is located above the second compartment 4. The second compartment 4 includes a main body 15. The first compartment 3 includes the main body 15 and an installation portion 16 disposed above the main body 15. The thermal management module 20 is housed in the installation portion 16. The main body 15 has an energy compartment 11 and a control compartment 12 inside. The energy compartment 11 is used to accommodate at least one energy unit 2, and at least a portion of the control module 30 is accommodated in the control compartment 12. The dimensions of the first compartment 3 and the second compartment 4 along the height direction are both greater than or equal to half the dimension of a standard container along the height direction, and both are less than the dimension of a standard container along the height direction. The sum of the dimensions of the first compartment 3 and the second compartment 4 along the height direction is greater than the sum of the dimensions of a standard container along the height direction. The thermal management module 20 in the first compartment 3 can control the temperature of multiple energy units 2 in the first compartment 3 and multiple energy units 2 in the second compartment 4. The control module 30 in the first compartment 3 can electrically control the multiple energy units 2 in the first compartment 3, and the control module 30 in the second compartment 4 can electrically control the multiple energy units 2 in the second compartment 4. By splitting the energy storage device 100 into the first compartment 3 and the second compartment 4, all components of the energy storage device 100 are housed within the first compartment 3 and the second compartment 4. In this way, by reducing the size of the compartment 10, the total weight of the compartment 10 containing the energy units 2 and other components can be reduced, which helps to improve the problem of overweight transportation and reduces the transportation cost of the energy storage device 100. After the first compartment 3 and the second compartment 4 are stacked together along the height direction, the sum of the dimensions of the first compartment 3 and the second compartment 4 along the height direction is greater than the dimension of a standard container along the height direction. Under the premise of meeting the transportation weight, the power capacity of the energy storage device 100 can be maximized. On the other hand, it is beneficial to increase the volume and power capacity of the energy storage device 100, further reducing the operating cost of the energy storage device 100. By integrating all components of the energy storage device 100 inside the housing 10, the housings 10 can be stacked on-site and then connected to the PCS and EMS, which helps reduce the workload of on-site assembly, improves assembly efficiency, and facilitates customer use. In addition, by setting the height dimension of at least one of the multiple housings 10 to be different from the height dimension of the other housings 10, it is convenient to improve the flexibility of the capacity of the housing 10 to match different needs. In addition, other components of the energy storage device 10, except for the energy unit 2, can be accommodated in the housing 10 with a relatively large height dimension. In this way, the energy units 2 contained in different housings 10 can be approximately the same or completely identical, which helps to improve the assembly efficiency of the energy unit 2 and reduce costs. Furthermore, it helps to improve the uniformity of the power of different housings 10, thereby improving the performance of the energy storage device 100.

[0494] The above are merely preferred embodiments of this disclosure and are not intended to limit this disclosure. Various modifications and variations can be made to this disclosure by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure are included within the scope of protection of this disclosure.

Claims

1. An energy storage device, characterized in that, include: Multiple energy units; Multiple chambers are arranged along the height direction of the energy storage device, and each of the multiple chambers contains the energy unit. A control module, which is used to electrically control the energy units within the plurality of chambers; Among them, at least one of the multiple compartments has a different dimension along the height direction than the other compartments along the height direction.

2. The energy storage device according to claim 1, characterized in that, Each of the aforementioned compartments has a dimension along the height direction that is greater than or equal to one-third the dimension of a standard container along the height direction, and is less than the dimension of a standard container along the height direction.

3. The energy storage device according to claim 1, characterized in that, Each of the aforementioned compartments has a dimension along the height direction that is greater than or equal to half the dimension of a standard container along the height direction, and is less than the dimension of a standard container along the height direction.

4. The energy storage device according to claim 2, characterized in that, Each of the aforementioned compartments has a dimension along the height direction that is greater than or equal to one-third the dimension along the height direction of the standard container, and less than one-half the dimension along the height direction of the standard container.

5. The energy storage device according to any one of claims 2-4, characterized in that, The sum of the dimensions of the plurality of said silos along the height direction is greater than the sum of the dimensions of one or more said standard containers along the height direction.

6. The energy storage device according to any one of claims 2-5, characterized in that, The number of warehouses is m. Among the m warehouses, the sum of the dimensions of m1 warehouses along the height direction is less than the sum of the dimensions of n standard containers along the height direction. Among the m warehouses, the sum of the dimensions of m1+1 warehouses along the height direction is greater than the sum of the dimensions of n standard containers along the height direction. m is greater than m1, m is greater than or equal to 2, and m1 is greater than or equal to n.

7. The energy storage device according to claim 6, characterized in that, m1=1, n=1; or, m1=2, n=1; or, m1=2, n=2.

8. The energy storage device according to any one of claims 1-7, characterized in that, The height of each of the aforementioned compartments is h. .

9. The energy storage device according to claim 8, characterized in that, 。 10. The energy storage device according to any one of claims 1-9, characterized in that, Each of the aforementioned compartments has the same length dimension as the standard container and the same width dimension as the standard container.

11. The energy storage device according to any one of claims 1-10, characterized in that, Except for the topmost compartment, all other compartments have the same height.

12. The energy storage device according to any one of claims 1-11, characterized in that, The energy storage device includes a thermal management module, and there are m chambers. The thermal management module is used to manage the temperature of multiple energy units in the m chambers.

13. The energy storage device according to claim 12, characterized in that, The plurality of compartments includes a first compartment and at least one second compartment, the first compartment being located above the second compartment, and the thermal management module being located within the first compartment.

14. The energy storage device according to claim 13, characterized in that, The height of the first compartment is greater than the height of the second compartment.

15. The energy storage device according to claim 13 or 14, characterized in that, The thermal management module includes a fan and a condenser, which are located at the top of the first compartment. The top wall and / or side wall of the first compartment are provided with ventilation openings for ventilation of the thermal management module.

16. The energy storage device according to any one of claims 1-12, characterized in that, The plurality of compartments includes a first compartment and at least one second compartment, the first compartment being located above the second compartment; the control module includes a central control module, the central control module being located within the second compartment.

17. The energy storage device according to claim 16, characterized in that, The control module includes two main control modules, which are located in the first compartment and the second compartment, respectively. The two main control modules are used to control the input or output of electrical energy of the energy units in the first compartment and the second compartment, respectively. Both main control modules are electrically connected to the main control module.

18. The energy storage device according to claim 16 or 17, characterized in that, The control module includes a fire control module, which is located inside the first compartment or the second compartment, and is used to fire the energy units inside the first compartment and the second compartment.

19. The energy storage device according to claim 16 or 17, characterized in that, The energy storage device includes an energy storage converter, which is housed in the first compartment or the second compartment, and is electrically connected to the energy unit in the first compartment and the second compartment.

20. The energy storage device according to any one of claims 1-12, characterized in that, At least a portion of the chambers include a first connector electrically connected to the control module, and each chamber includes a second connector electrically connected to a plurality of the energy units, the first connector being used to mate with each of the second connectors.

21. The energy storage device according to any one of claims 12-15, characterized in that, The energy storage device includes multiple battery devices, each battery device including a thermal management component and multiple energy units, the thermal management component being used to regulate the temperature of the energy units; At least a portion of the chambers include a third connector, and each chamber includes a fourth connector, the third connector being in communication with the thermal management module and the fourth connector being in communication with the thermal management component, the third connector being used to mate with each of the fourth connectors.

22. The energy storage device according to claim 21, characterized in that, The thermal management module is connected to multiple thermal management components via liquid cooling pipelines. The liquid cooling pipelines include a main pipeline and multiple branch pipelines. The multiple branch pipelines are connected in parallel to the main pipeline. The main pipeline is connected to the thermal management module, and the multiple branch pipelines are respectively connected to the multiple thermal management components. The main pipeline is located above the multiple battery devices, or the main pipeline is located below the multiple battery devices.

23. The energy storage device according to any one of claims 1-22, characterized in that, The energy unit is a single battery cell, and the weight of a single energy unit is 5 kg to 60 kg.

24. The energy storage device according to any one of claims 1-23, characterized in that, The energy storage device includes an energy storage chamber, which includes a chamber body and components disposed within the chamber body. The weight of the energy storage chamber is M, where M is less than or equal to 35 tons.

25. The energy storage device according to any one of claims 1-24, characterized in that, The energy storage device includes an energy storage compartment, which comprises a compartment body and components disposed within the compartment body. The weight of the energy storage compartment is M, and the total weight of the energy units within the compartment body is M1. .

26. The energy storage device according to claim 25, characterized in that, 。 27. The energy storage device according to any one of claims 1-26, characterized in that, The energy storage device includes an energy storage compartment, which comprises a compartment body and components disposed within the compartment body. The weight of the energy storage compartment is M. Multiple battery devices are disposed within the compartment body. Each battery device includes a housing and multiple energy units, which are housed within the housing. The total weight of the battery devices is M2. .

28. The energy storage device according to any one of claims 1-27, characterized in that, The volume of the chamber is V, and the total volume of the energy units within the chamber is V1. .

29. The energy storage device according to claim 28, characterized in that, 。 30. The energy storage device according to any one of claims 1-29, characterized in that, The volume of the chamber is V. Multiple battery devices are installed inside the chamber. Each battery device includes a housing and multiple energy units, with the energy units housed within the housing. The total volume of the battery device is V². .

31. The energy storage device according to any one of claims 1-30, characterized in that, The energy storage device includes an energy storage chamber, which comprises a chamber body and components disposed within the chamber body. The energy of the energy storage chamber is E. The length dimension of the chamber body is a, and the width dimension of the chamber body is b. .

32. The energy storage device according to claim 31, characterized in that, 。 33. The energy storage device according to any one of claims 1-32, characterized in that, Along the height direction of the compartment, two adjacent compartments are welded, snap-fitted, locked, or connected by fasteners.

34. The energy storage device according to any one of claims 1-33, characterized in that, The plurality of compartments include a first compartment and a second compartment, the first compartment being located above the second compartment, the bottom of the first compartment being provided with a limit pin, and the top of the second compartment being provided with a limit hole, the limit pin engaging with the limit hole.

35. The energy storage device according to claim 34, characterized in that, The bottom of the first compartment is provided with a first limiting member, which has a limiting groove. The top of the second compartment is provided with a second limiting member, which has a limiting hole. The two ends of the limiting pin are respectively engaged with the limiting groove and the limiting hole.

36. The energy storage device according to any one of claims 1-35, characterized in that, The number of storage chambers is m, and the energy storage device further includes a connecting mechanism, which is configured to connect two adjacent storage chambers along the height direction of the storage chambers. The connecting mechanism includes a support member, which is disposed between two adjacent compartments along the height direction; the sum of the dimensions of m1 compartments along the height direction and the sum of the dimensions of m1-1 support members along the height direction is less than the sum of the dimensions of n standard containers along the height direction, and the sum of the dimensions of m1+1 compartments along the height direction and the sum of the dimensions of m1 support members along the height direction is greater than the sum of the dimensions of n standard containers along the height direction.

37. The energy storage device according to any one of claims 2-7, characterized in that, The standard container is a 20-foot standard container, and the height of the standard container is 2896mm, 2591mm or 2438mm.

38. The energy storage device according to any one of claims 12-15, characterized in that, The interior of at least a portion of the chamber has an energy chamber, a pipeline chamber, and a control chamber. The energy chamber is used to accommodate at least one of the energy units, and at least a portion of the control module and / or at least a portion of the thermal management module are accommodated in the control chamber. A first door is provided on at least one side of the chamber along the width direction, and a second door is provided on at least one side of the control chamber and / or the pipeline chamber along the width direction.

39. An energy storage system, characterized in that, It includes a power conversion device and an energy storage device as described in any one of claims 1-38, wherein the power conversion device is used to electrically connect the power generation device and the energy storage device.

40. A charging network, characterized in that, It includes a charging pile and an energy storage device as described in any one of claims 1-38 or an energy storage system as described in claim 39, wherein the energy storage device is used to provide electrical energy to the charging pile.

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