Energy storage container and energy storage container system

Abstract

The utility model provides an energy storage container and an energy storage container system.The energy storage container comprises a container body, the container body is provided with a containing space, the containing space comprises a plurality of battery cabins and a temperature control cabin, the battery cabins are sequentially arranged in the first direction and form a battery area, and the temperature control cabin is located between every two adjacent battery cabins; or the temperature control cabin is located at the end of the battery area in the first direction, each battery cabin is provided with a door plate, and all the door plates are located on the same side of the box body. The energy storage container is high in space utilization rate, high in energy density, low in kilowatt-hour cost and high in system efficiency, and a single-side door opening design is adopted; therefore, self-stacking can be realized to form an energy storage container system for transportation, and meanwhile, high-density side-by-side arrangement can also be realized to form an energy storage container system for application scenarios.

Description

[0001] This application is a divisional application. The application number of the original application is 202320412783.9, and the original application date is February 27, 2023. The entire content of the original application is incorporated herein by reference. Technical Field

[0002] This application relates to the technical field of energy storage device manufacturing, and particularly to an energy storage container and an energy storage container system applying the same. Background Art

[0003] With the wide application of new energy (such as solar energy, wind energy, etc.) power generation, electrochemical energy storage has been widely promoted. Among them, lithium battery energy storage is favored because it is not restricted by geographical and topographical environments and can quickly store and release electrical energy. To meet the needs of the energy storage market, energy storage systems are generally in the form of containers. How to reduce the floor area of energy storage containers, improve the utilization rate of internal space, make the integration degree of energy storage containers higher, the cost lower, and at the same time be more convenient for long-distance transportation has become an urgent problem to be solved. Utility Model Content

[0004] In view of this, in order to solve at least one of the above defects, an embodiment of this application provides an energy storage container. The energy storage container has a high space utilization rate, high energy density, low cost per kilowatt-hour, high system efficiency, and is designed with a single-side opening door; therefore, it can be self-stacked to form an energy storage container system for transportation, and at the same time, it can be arranged side by side with high density to form an energy storage container system for application scenarios.

[0005] A first aspect of an embodiment of this application provides an energy storage container. The energy storage container includes a box body, the box body has an accommodation space, the accommodation space includes a plurality of battery compartments and a temperature control compartment, the plurality of battery compartments are arranged in sequence along a first direction and form a battery area, the temperature control compartment is located between two adjacent battery compartments, or the temperature control compartment is located at an end of the battery area along the first direction, and each battery compartment is provided with a door panel, and all the door panels are located on the same side of the box body.

[0006] By integrating the temperature control compartment and the battery compartment, the integration of the energy storage system is achieved to improve the integration degree of the energy storage container. Moreover, the temperature control compartment is arranged at one end of the battery area or between the battery compartments, which can centrally control the temperature of multiple battery compartments. There is no need to set up a temperature control device for each battery compartment, saving the space of the battery compartment and allowing more batteries to be accommodated, which is beneficial to increasing the energy density of the energy storage container and reducing costs. In addition, the energy storage container has a single-side opening door, which is convenient for single-side maintenance of the battery compartment and can meet the requirement of side-by-side arrangement of the other three sides of the container except the side with the door panel, so as to minimize the distance between two adjacent containers and reduce the occupied space of the energy storage container system in the application scenario and increase the energy density.

[0007] Exemplarily, the box body can be a hexahedron structure, including a first side surface, a second side surface, a third side surface and a fourth side surface that are sequentially connected end to end. The first side surface and the third side surface are oppositely arranged along the first direction, the second side surface and the fourth side surface are oppositely arranged along the second direction. The box body further includes a bottom surface and a top surface that are oppositely arranged along the third direction. The bottom surface and the top surface are both connected to the first side surface, the second side surface, the third side surface and the fourth side surface and enclose the accommodation space. All the door panels are located on the second side surface. The first direction, the second direction and the third direction are perpendicular to each other. And the outer surfaces of the first side surface, the third side surface and the fourth side surface are flat without external hanging structures. The energy storage container has a single-side opening door, and the outer surfaces of the other side surfaces are flat without external hanging structure features protruding from the box body, which is beneficial to realizing side-by-side and back-to-back arrangement of the box bodies of the energy storage containers, shortening the distance between two adjacent energy storage containers, further reducing the occupied space, improving the space utilization rate and increasing the floor area density.

[0008] Exemplarily, the box body can be a cuboid structure. The first direction is the length direction of the box body, the second direction is the width direction of the box body, and the third direction is the height direction of the box body. The length of the box body is 6058 mm, the width is 2438 mm, and the height is 2.591 m to 4.15 m. Exemplarily, the height can be 2.591, 2.896, 3.100, 3.300, 3.600 m, 4.150 m or any value between any two of the above. The box body adopts a standard container structure (such as a 20-foot standard sea container) and can be directly used as a transportation container without separately setting up a transportation container outside the energy storage container, which is beneficial to improving the carrying capacity and reducing the transportation cost at the same time. In addition, the height can be designed according to the actual energy density requirements to meet the requirements of different power station energy storage scenarios.

[0009] In combination with the first aspect, in some possible embodiments, a set of corner fitting assemblies are respectively provided at the edges of the bottom surface and the top surface. Further, each set of the corner fitting assemblies includes two or four corner fittings. When each set of the corner fitting assemblies includes two corner fittings, the two corner fittings are provided at two opposite edges of the bottom surface or the top surface; when each set of the corner fitting assemblies includes four corner fittings, the four corner fittings are provided at the four corners of the bottom surface or the top surface.

[0010] By respectively providing a set of corner fitting assemblies on the top surface and the bottom surface of the box body, self-stacking of the energy storage containers (i.e., multiple energy storage containers are stacked on top of each other) can be realized. The corner fitting assemblies can realize the connection and fixation between two adjacent energy storage containers above and below to meet the transportation requirements, and further, direct stacked transportation of the energy storage containers can be realized, reducing the transportation cost.

[0011] In combination with the first aspect, in some possible embodiments, along the third direction, a plurality of detachable battery packs are stacked at intervals in the battery compartment, and each battery pack is used to accommodate batteries. Further, the dimension of the battery pack in the second direction is 1.7 m to 2.2 m. Exemplarily, the battery pack.

[0012] By stacking a plurality of battery packs in the battery compartment, the accommodation capacity of the batteries can be increased, and further, the energy density of the energy storage container can be improved; the one-sided door opening design of the energy storage container can realize one-sided maintenance of the battery packs, and the depth dimension of the battery packs is close to the width of the box body, which can realize the maximum utilization rate of the width space of the box body to further improve the energy density of the energy storage container.

[0013] In combination with the first aspect, in some possible embodiments, the temperature control compartment has an air inlet and an air outlet, the air inlet and the air outlet form a heat dissipation channel, the air inlet is provided on the side surface of the box body, and the air outlet is provided on the top surface of the box body.

[0014] By designing the air inlet and outlet form of the temperature control compartment to have side air inlet of the box body and top air outlet, the energy storage container will not affect the air inlet and outlet when arranged in the application scenario, so as to realize high-density layout, further reduce the occupied space, and improve the occupied density. Exemplarily, the side corresponding to the temperature control compartment can be not provided with side plates, directly forming an open air inlet. It can be understood that the air inlet can also be formed by opening holes in the side plates on the side surface.

[0015] Exemplarily, a liquid cooling module is provided in the temperature control cabin. The liquid cooling module is respectively communicated with the air inlet and the air outlet, and the cooling pipeline of the liquid cooling module extends to the battery area. The energy storage container integrates a liquid cooling temperature control system, which can achieve efficient heat dissipation of the battery cabin. Moreover, compared with air cooling, liquid cooling can realize a ductless design, saving the internal space of the box body, enabling the box body to accommodate more batteries, and also significantly reducing the cost per kilowatt-hour of the energy storage container excluding the battery cells. In addition, the liquid cooling module does not require an external air-conditioning cabinet, which is beneficial to further reducing the distance between two adjacent boxes after the energy storage containers are arranged side by side. Combining with the first aspect, in some possible embodiments, the box body further includes a functional cabin, and the functional cabin is located on one side of the battery cabin close to the bottom surface.

[0016] The functional cabin can be used to accommodate necessary power devices (such as PCS, DCDC, etc.). The functional cabin can be flexibly deployed in the energy storage container, which can improve the integration and prefabrication rate of the energy storage container. In addition, by arranging the functional cabin at the bottom of each battery cabin, it occupies less space, is convenient for controlling each battery cabin, and can share a door panel with the battery cabin, improving the convenience of maintenance.

[0017] In the second aspect of the embodiments of the present application, an energy storage container system is provided. The energy storage container system includes a plurality of stacked energy storage containers, and the energy storage container is the energy storage container as described in the first aspect of the embodiments of the present application.

[0018] The energy storage container adopting the first aspect of the embodiments of the present application can meet the transportation requirements. Multiple energy storage containers can be directly stacked in the third direction (i.e., stacked up and down, or self-stacked) for transportation without separately setting a transportation container for accommodation, reducing the transportation cost. At the same time, it can also increase the carrying capacity. Of course, the energy storage containers can also be stacked side by side in the first direction and the second direction.

[0019] In the third aspect of the embodiments of the present application, another energy storage container system is provided. The energy storage container system includes a plurality of side-by-side arranged energy storage containers, and the energy storage container is the energy storage container as described in the first aspect of the embodiments of the present application. Further, without setting a firewall, the distance between two adjacent energy storage containers can be 0 - 200 mm. Exemplarily, the distance between two adjacent energy storage containers can be 0 (i.e., the sides of two adjacent energy storage containers are in contact), 20 mm, 40 mm, 60 mm, 80 mm, 100 mm, 120 mm, 140 mm, 160 mm, 180 mm, 200 mm or any value between the above two points.

[0020] Since the energy storage container according to the first aspect of the embodiments of the present application can endow the energy storage container system with high energy density, high efficiency and low cost; the energy storage container has a single-sided door opening, which is beneficial to the side-by-side arrangement of multiple energy storage containers in the application scenario, and the distance between two adjacent energy storage containers is small, which can minimize the occupied space, increase the floor area density, and thus increase the energy density of the energy storage container system. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of an energy storage container provided by an embodiment of the present application.

[0022] Figure 2 is a schematic structural diagram of a self-stacking transportation energy storage container system provided by an embodiment of the present application.

[0023] Figure 3A and Figure 3B are Figure 1 two air inlet and outlet schematic diagrams of the energy storage container in

[0024] Figure 4 is a schematic structural diagram of a battery pack provided by an embodiment of the present application.

[0025] Figure 5 is a schematic structural diagram of an energy storage container system for an application scenario provided by an embodiment of the present application.

[0026] Description of the Main Component Symbols

[0027] Energy storage container 100

[0028] Box body 1

[0029] First side 11

[0030] Second side 12

[0031] Third side 13

[0032] Fourth side 14

[0033] Bottom surface 15

[0034] Top surface 16

[0035] Accommodation space 2

[0036] Battery compartment 3

[0037] Door panel 31

[0038] Temperature control compartment 4

[0039] Air inlet 42

[0040] Air outlet 43

[0041] Corner fitting 5

[0042] Battery pack 6

[0043] Liquid cooling module 7

[0044] Function cabin 8

[0045] Directions X, Y, Z

[0046] Energy storage container system 200, 300 Specific implementation manners

[0047] The embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.

[0048] The terms used in the following embodiments are only for the purpose of describing specific embodiments, and are not intended to limit the present application. As used in the specification and appended claims of the present application, the singular forms "a", "an", "the", "above-mentioned", "said", and "this" are also intended to include the expressions such as "one or more", unless there is a clear opposite indication in the context.

[0049] Referring to "one embodiment" or "some embodiments" described in this specification means that specific features, structures, or characteristics described in connection with the embodiment are included in one or more embodiments of the present application. Thus, the statements "in one embodiment", "in some embodiments", "in other some embodiments", "in still other embodiments", etc. appearing in different places in this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "comprising", "including", "having" and their variants all mean "including but not limited to", unless otherwise specifically emphasized in other ways.

[0050] An energy storage system is a device integrating a battery and a control cabinet. The control cabinet is coupled to the battery to manage the battery, and realizes the storage and output of electric energy through the conversion between electric energy and chemical energy. The battery can be used as a backup power source, or for peak shaving and valley filling when the power supply of the power system is uneven, or for frequency modulation when the load or power generation of the power system is large, or applied to a photovoltaic energy storage power generation system.

[0051] Currently, energy storage systems are mainly divided into two application scenarios: industrial and commercial energy storage scenarios and power station energy storage scenarios. Industrial and commercial energy storage scenarios usually use energy storage cabinets as carriers, and the power granularity is generally about 200 KWh, and are commonly used in scenarios such as large and small factories, commercial office buildings, and stations. Power station energy storage scenarios usually use energy storage containers as carriers, and the power granularity is generally in the megawatt-hour level, and are commonly used in photovoltaic and wind power energy storage, etc.

[0052] The transportation of the energy storage system is to transport the energy storage system from the production side (manufacturer) to the user side (consumer). For the convenience of transportation, the battery is placed in a battery compartment. After the battery compartment and the control cabinet are integrated into a prefabricated compartment, it is then placed in a standard container. The standard container needs to meet the international standards formulated by the International Organization for Standardization (ISO). In this standard, the dimensions of the standard container are specified, including the length, width, and height of the standard container; and the rated weight of the standard container is limited.

[0053] The inventor found that the commonly used energy storage containers have a low integration level, low space utilization rate inside the container, low energy density, high cost per kilowatt-hour, and low system efficiency. Most of the current energy storage containers belong to prefabricated compartments. When transporting, the prefabricated compartment needs to be placed in a standard transportation container again, which increases the transportation cost. Moreover, there are differences in the dimensions between the prefabricated compartment and the standard container, resulting in a low space utilization rate inside the standard container and making it difficult to achieve large-scale low-cost transportation. In addition, due to the structural design such as external air-conditioning fans or double doors in the existing energy storage containers, they cannot be arranged side by side or back to back at the application scenario end, and the distance between two adjacent energy storage containers is relatively large, resulting in a large occupied space and a small floor area density.

[0054] Therefore, the embodiment of the present application provides an improved energy storage container. This energy storage container can be applied not only to the energy storage of batteries but also to the loading and transportation of other relatively heavy items. The following further describes the embodiment of the present application with reference to the drawings.

[0055] Figure 1 The energy storage container 100 provided by the embodiment of the present application Figure 2 The energy storage container system 200 adopted in the transportation process formed by self-stacking multiple energy storage containers 100 (that is, one energy storage container is stacked on another energy storage container in a vertical stacking manner) Figure 5 The energy storage container system 300 formed by arranging multiple energy storage containers 100 side by side in the application scenario.

[0056] Please refer to Figure 1, an embodiment of the present application provides an energy storage container 100, which includes a box body 1 having an accommodation space 2. The accommodation space 2 includes a plurality of battery compartments 3 and a temperature control compartment 4. The plurality of battery compartments 3 are arranged in sequence along the first direction X and form a battery area A. The battery compartments 3 are used to accommodate batteries, and the temperature control compartment 4 is used to centrally control the temperature of all the battery compartments 3. Among them, there are two positional relationships between the temperature control compartment 4 and the battery compartments 3. The temperature control compartment 4 can be located between two adjacent battery compartments 3, or the temperature control compartment 4 can also be located at the end of the battery area A along the first direction X. By integrating a plurality of battery compartments 3 and a temperature control compartment 4 in the same box body 1, the prefabrication integration degree of the energy storage container 100 can be effectively improved. In addition, each battery compartment 3 is provided with a door panel 31, and all the door panels 31 are located on the same side of the box body 1, so as to realize the single-side door opening of the energy storage container 100.

[0057] Figure 1 In the figure, the X direction represents the first direction, the Y direction represents the second direction, and the Z direction represents the third direction. The box body 1 can be a hexahedron structure, specifically, but not limited to, a cuboid structure. At this time, the first direction X, the second direction Y, and the third direction Z are perpendicular to each other. In view of the fact that the standard container is basically a cuboid structure, in the present application, a three-dimensional coordinate system composed of the first direction X, the second direction Y, and the third direction Z is used to describe the three-dimensional dimensions of the energy storage container 100. Exemplarily, the first direction X, the second direction Y, and the third direction Z can respectively represent the length direction, the width direction, and the height direction of the energy storage container 100.

[0058] The box body 1 includes a first side surface 11, a second side surface 12, a third side surface 13, and a fourth side surface 14 that are connected end to end in sequence. The first side surface 11 and the third side surface 13 are arranged opposite to each other along the first direction X, and the second side surface 12 and the fourth side surface 14 are arranged opposite to each other along the second direction Y. The box body 1 further includes a bottom surface 15 and a top surface 16 that are arranged opposite to each other along the third direction Z. The bottom surface 15 and the top surface 16 are both connected to the first side surface 11, the second side surface 12, the third side surface 13, and the fourth side surface 14 and enclose the accommodation space 2. Specifically, the box body 1 can be an integrated frame body formed by cross beams and vertical beams, and then sealed with plates to form the box body 1.

[0059] Among them, all the door panels 31 are located on the second side surface 12, so as to realize the single-side door opening of the energy storage container 100. Among them, the door panel 31 can be a transparent door, which is convenient for seeing the inside of the battery compartment 3 for maintenance and management. Of course, it can also be an opaque door. The outer surfaces of the first side surface 11, the third side surface 13, and the fourth side surface 14 are flat without externally hung protruding structures. The energy storage container 100 has a single-side door opening, and the outer surfaces of the other side surfaces are flat without structural features protruding from the box body 1. In the application scenario, it is beneficial to arrange multiple energy storage containers 100 side by side and back to back, shortening the distance between two adjacent energy storage containers 100, so as to further reduce the occupied space, improve the space utilization rate, and increase the floor area density.

[0060] In some embodiments, the length of the box body 1 is 6058 mm, the width is 2438 mm, and the height is 2.591 m to 4.150 m. The length and width of the box body 1 adopt a standard container structure (such as a 20-foot standard marine container), which can be directly used as a transport container without separately setting a transport container outside the energy storage container 100, which is beneficial to improving the carrying capacity and reducing the transportation cost at the same time. Additionally, by way of example, the height of the box body 1 can be 2.591, 2.896, 3.100, 3.300, 3.600 m, 4.150 m or any value between any two of the above. The height of the box body 1 can be designed according to the actual energy density requirements to meet the requirements of different power station energy storage scenarios.

[0061] Please refer to again Figure 1 , a set of corner fitting assemblies are respectively provided at the edges of the bottom surface 15 and the top surface 16. Further, each set of the corner fitting assemblies may include two or four corner fittings 5. It can be understood that each set of corner fittings 5 may also include a greater number of corner fittings 5. When each set of the corner fitting assemblies includes two of the corner fittings 5, the two corner fittings 5 can be provided at the opposite two edges of the bottom surface 15 or the top surface 16. When each set of the corner fitting assemblies includes four of the corner fittings 5, the four corner fittings 5 can be provided at the four corners of the bottom surface 15 or the top surface 16. Please refer to together Figure 2, the energy storage container 100 provided by the embodiment of the present application can achieve self-stacking, thereby forming a self-stacking energy storage container system 200, that is, multiple energy storage containers 100 can be stacked along the third direction Z, or it can be understood that one energy storage container 100 can be stacked on another energy storage container 100, thereby meeting the transportation requirements. By respectively arranging a set of corner fitting assemblies on the top surface 16 and the bottom surface 15 of the box body 1, the self-stacking of the energy storage container 100 can be realized. At the same time, the corner fittings 5 can realize the connection and fixation between two adjacent upper and lower energy storage containers 100, so that the stacked energy storage containers 100 are more firm after self-stacking to meet the transportation requirements, and thus the direct stacked transportation of the energy storage container 100 can be realized, reducing the transportation cost.

[0062] Refer to again Figure 1 , along the third direction Z (i.e., the height direction of the box body 1), a plurality of detachable battery packs 6 are stacked at intervals in the battery compartment 3, and each battery pack 6 is used to accommodate batteries. A multi-layer rack can be arranged in the battery compartment 3, and one battery pack 6 can be placed on each layer. It can be understood that the multi-layer racks of multiple battery compartments 3 can be of an integral structure. Further, as Figure 4 shown, the size of the battery pack 6 along the second direction Y can be 1.7 m to 2.2 m. Exemplarily, the size of the battery pack 6 along the second direction Y can be 1.7 m, 1.8 m, 1.9 m, 2.0 m, 2.1 m, 2.2 m or any value between any two of the above. By stacking a plurality of battery packs 6 in the battery compartment 3, the battery accommodation capacity can be increased, thereby improving the energy density of the energy storage container 100. Moreover, due to the one-sided door opening design of the energy storage container 100, one-sided maintenance of the battery pack 6 can be realized, which is convenient for the maintenance of the battery pack 6. In addition, the depth dimension of the battery pack 6 is close to the width of the box body 1, and the maximum utilization rate of the width space of the box body 1 can be achieved to further improve the energy density of the energy storage container 100.

[0063] Please refer to again Figure 1, the temperature control chamber 4 has an air inlet 42 and an air outlet 43, and the air inlet 42 and the air outlet 43 form a heat dissipation channel. The air inlet 42 is provided on the side surface of the box body 1, specifically, it can be at least one of the first side surface 11, the second side surface 12, the third side surface 13 and the fourth side surface 14 of the box body 1, and is specifically designed according to the installation position of the temperature control chamber 4. The air outlet 43 is provided on the top surface 16 of the box body 1. In some embodiments, a liquid cooling module 7 is provided in the temperature control chamber 4, and the liquid cooling module 7 is respectively communicated with the air inlet 42 and the air outlet 43, and the cooling pipeline of the liquid cooling module 7 extends to the battery area, so as to quickly take out the heat of all the battery compartments 3 from the box body 1. The energy storage container 100 integrates a liquid cooling temperature control system, which can realize efficient heat dissipation of the battery compartment 3. Moreover, compared with air cooling, liquid cooling can realize a ductless design, save the internal space of the box body 1, enable the box body 1 to accommodate more batteries, and can also greatly reduce the non-core electricity cost per kilowatt-hour of the energy storage container 100. In addition, the liquid cooling module 7 does not need to be provided with an external air conditioner cabinet relative to air cooling, which is beneficial to the flatness of the outer side of the box body 1, so as to further reduce the distance between two adjacent energy storage containers 100 when arranged side by side.

[0064] In some embodiments, such as Figure 3A and Figure 3B , are schematic diagrams of the air inlet and outlet of two forms of the energy storage container 100. Among them, the bottom of the radiator 71 of the liquid cooling module 7 is provided with a V-shaped air inlet part, and the top is provided with a heat dissipation part. Among them, Figure 3A the two side walls with openings in the V-shaped air inlet part are arranged left and right, Figure 3B the two side walls with openings in the V-shaped air inlet part are arranged front and back. In this way, when the energy storage containers 100 are arranged side by side, different main air inlets can be selected to form different main air inlet channels. Referring to Figure 5 together, is an energy storage container system 300 after arranging multiple energy storage containers 100 side by side. In the application scenario, since the second side surface 12 is the side surface where the door panel 31 is provided, it is defined as the front side, then the fourth side surface 14 is the rear side, the bottom surface 15 is the surface where the energy storage container 100 contacts the bearing surface (such as the ground), and the top surface 16 is the top of the energy storage container 100. The energy storage container 100 adopts a centralized liquid cooling scheme and can be deployed on the left side (taking the first side surface 11 as the left side), the right side (taking the third side surface 13 as the right side) or the middle of the box body 1. Among them, the air inlet is mainly from the second side surface 12, and the first side surface 11, the third side surface 13 and the fourth side surface 14 are auxiliary, and the air outlet area is set on the top of the box body 1. Taking the left front deployment as an example, as Figure 3A shown, at this time, the air inlet 42 provided on the second side surface 12 is the main air inlet. When the distance between the left and right combined boxes is large, the air inlet 42 provided on the first side surface 11 can also be used as the main air inlet. As Figure 3BAs shown, the main air inlet is the air inlet 42 provided on the second side 12, and the air inlets 42 provided on other sides are auxiliary air inlets. After the energy storage containers 100 are arranged side by side, the main air inlet 42 of the temperature control compartment 4 can be on the second side 12 (i.e., the front side) of the box body 1, and the first side 11 of the box body 1 can be used as the auxiliary air inlet 42 of the temperature control compartment 4. When the distance between the front and rear combined boxes is large, the fourth side 14 can also be provided with an air inlet 42 for auxiliary air intake. By designing the air inlet and outlet form of the temperature control compartment 4 to be side air intake and top air outlet of the box body 1, the energy storage containers 100 will not affect the air intake and outlet when arranged side by side in the application scenario, so as to realize the high-density layout of the energy storage container system 300, further reduce the floor space of the energy storage container system 300, and improve the floor area density.

[0065] Please refer to again Figure 1 , the box body 1 may further include a functional compartment 8. It can be understood that the functional compartment 8 can be flexibly arranged in the energy storage container 100. Specifically, the functional compartment 8 is located on the side of the battery compartment 3 close to the bottom surface 15, that is, the functional compartment 8 is arranged close to the bottom surface 15 of the energy storage container 100. The functional compartment 8 can be used to accommodate necessary power devices (such as PCS, DCDC, etc.). By integrating the functional compartment 8 into the box body 1, the integration degree and prefabrication rate of the energy storage container 100 can be improved. In addition, by arranging the functional compartment 8 at the bottom of each battery compartment 3, it occupies less space, is convenient for controlling each battery compartment 3, and can share a door panel 31 with the battery compartment 3, improving the convenience of maintenance.

[0066] The energy storage container 100 provided by the embodiment of the present application integrates the temperature control compartment 4 and the battery compartment 3 to realize the integration of the energy storage system, so as to improve the integration degree and prefabrication rate of the energy storage container 100; moreover, the temperature control compartment 4 is arranged at one end of the battery area or between two adjacent battery compartments 3, and can centrally control the temperature of multiple battery compartments 3, without the need to set a temperature control device for each battery compartment 3, saving the space of the battery compartment 3, accommodating more batteries, and being beneficial to improving the energy density of the energy storage container 100 and reducing costs. By setting the energy storage container 100 to open the door on one side, it is convenient for one-side maintenance of the battery compartment 3, and can meet the side-by-side arrangement requirements of the other three sides of the box body 1 except the door-opening side, so as to reduce the distance between two adjacent energy storage containers 100, and further minimize the occupied space and improve the energy density. By designing the box body 1 to conform to the size of a standard transport container and setting corner fittings 5, the self-stacking transportation of the energy storage container 100 can be satisfied to realize large-scale low-cost transportation. In addition, the use of a liquid cooling module 7 can further save the internal space of the box body 1, enable the box body 1 to accommodate more batteries, and can also reduce the non-electrode cost per kilowatt-hour of the energy storage container 100.

[0067] As Figure 2As shown, by self-stacking multiple aforementioned energy storage containers 100 to form an energy storage container system 200 that meets the transportation (such as sea transportation) requirements, multiple energy storage containers 100 can be directly stacked on top of each other for transportation without separately setting up a transportation container for accommodating the energy storage containers 100, which reduces the transportation cost. At the same time, it can also increase the carrying capacity, thus facilitating large-scale low-cost transportation. It can be understood that during transportation, the energy storage containers 100 can also be arranged side by side along the first direction X and the second direction Y and then stacked along the third direction Z to increase the carrying capacity.

[0068] As Figure 5 shown, at the application scenario end, by arranging multiple aforementioned energy storage containers 100 side by side, an energy storage container system 300 at the application end is formed. The energy storage container system 300 can be given high energy density, high efficiency, and low cost; the energy storage container 100 has a single-side opening door, which is conducive to the side-by-side arrangement of multiple energy storage containers 100 in the application scenario, and the distance between two adjacent energy storage containers 100 is relatively small, which can minimize the occupied space to the greatest extent, increase the land occupation density, and thus increase the energy density of the energy storage container system 300. Further, when no firewall is set, the distance between two adjacent energy storage containers 100 can be 0 to 200 mm. Exemplarily, it can be 0 (i.e., the sides of two adjacent energy storage containers 100 can be in contact with each other), 20 mm, 40 mm, 60 mm, 80 mm, 100 mm, 120 mm, 140 mm, 160 mm, 180 mm, 200 mm, or any value between any two of the above points. When a firewall needs to be set, since the width of the firewall is relatively large (generally about 400 mm), the distance between two adjacent energy storage containers 100 may reach about 1000 mm.

[0069] It should be noted that the above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art in the technical field disclosed in the present application can easily think of changes or substitutions, which should be covered by the protection scope of the present application; without conflict, the implementation manners of the present application and the features in the implementation manners can be combined with each other. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A energy storage container, characterized in that, Comprising: A box body, the box body having an accommodation space, the accommodation space including a plurality of battery compartments and a temperature control compartment; The plurality of battery compartments are arranged in sequence along a first direction and constitute a battery area, and the temperature control compartment is located at an end of the battery area along the first direction; Each of the battery compartments is provided with a door panel, and all the door panels are located on the same side of the box body; The box body further includes a functional compartment, the functional compartment is arranged on a side of the battery compartment close to the bottom surface, a power device is accommodated in the functional compartment, and the power device is a PCS; the functional compartment is arranged at the bottom of each battery compartment to control each battery compartment and shares a door panel with the battery compartment; The temperature control compartment has an air inlet and an air outlet, a liquid cooling module is arranged in the temperature control compartment, the liquid cooling module is respectively communicated with the air inlet and the air outlet, and a cooling pipeline of the liquid cooling module extends to the battery area.

2. The energy storage container according to claim 1, wherein The box body includes a first side surface, a second side surface, a third side surface and a fourth side surface connected in sequence, the first side surface and the third side surface are oppositely arranged along the first direction, the second side surface and the fourth side surface are oppositely arranged along a second direction, the box body further includes a bottom surface and a top surface oppositely arranged along a third direction, the bottom surface and the top surface are both connected to the first side surface, the second side surface, the third side surface and the fourth side surface and enclose the accommodation space, each door panel is located on the second side surface, and the first direction, the second direction and the third direction are perpendicular to each other.

3. The energy storage container according to claim 2, characterized in that, The box body is of a cuboid structure, the first direction is the length direction of the box body, the second direction is the width direction of the box body, and the third direction is the height direction of the box body.

4. The energy storage container according to claim 1 or 2, characterized in that, The energy storage container is a single-side opening type.

5. The energy storage container according to claim 2, wherein A set of corner fitting assemblies are respectively arranged at the edges of the bottom surface and the top surface.

6. The energy storage container according to claim 5, characterized in that Each set of the corner fitting assemblies includes two or four corner fittings. When each set of the corner fitting assemblies includes two corner fittings, the two corner fittings are arranged at two opposite edges of the bottom surface or the top surface; when each set of the corner fitting assemblies includes four corner fittings, the four corner fittings are arranged at four corners of the bottom surface or the top surface.

7. The energy storage container according to claim 1 or 2, characterized in that The temperature control compartment has the air inlet and the air outlet, the air inlet and the air outlet form a heat dissipation channel, the air inlet is arranged on the side surface of the box body, and the air outlet is arranged on the top surface of the box body.

8. The energy storage container according to claim 7, wherein, The bottom of the radiator of the liquid cooling module is provided with a V-shaped air inlet part, and the top is provided with a heat dissipation part. The V-shaped air inlet part is provided with two side walls with openings, and the two side walls are arranged front and back or left and right.

9. A energy storage container system, characterized in that, Including a plurality of energy storage containers, the plurality of energy storage containers are stacked or arranged side by side, and the energy storage container is the energy storage container according to any one of claims 1-8.

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