Batteries and power consumption devices

Abstract

A battery (1000) and a power consumption device (2000), wherein the battery (1000) includes a plurality of battery strings (10) arranged along a first direction (F1), and each battery string (10) includes at least one battery cell (11) arranged along a second direction (F2) perpendicular to the first direction (F1); the plurality of battery strings (10) as described above; and a reinforcement structure (20) including a first reinforcement structure (21), the first reinforcement structure (21) being stacked and arranged along the first direction (F1) with the plurality of battery strings (10). In the second direction (F2), at least one end of the first reinforcement structure (21) extends beyond the end face of the housing (111) of the corresponding battery string (10).

Description

Technical Field

[0001] This application relates to the technical field of batteries, and more specifically, to batteries and power consumption devices.

Background Art

[0002] In related technologies, the structural strength of the battery is poor, and the structure is likely to be damaged when the battery collides.

Summary of the Invention

[0003] Embodiments of this application provide a battery and a power consumption device, which improve the overall structural strength and prevent damage to the battery unit caused by impact.

[0004] In a first aspect, an embodiment of this application provides a battery, which includes a plurality of battery strings arranged along a first direction, each of the battery strings includes at least one battery unit arranged along a second direction perpendicular to the first direction, each of the battery units has a housing, a plurality of battery strings, and a reinforcing structure, the reinforcing structure includes a first reinforcing structure extending along the second direction, the first reinforcing structure is stacked and arranged along the first direction with the plurality of battery strings, and in the second direction, at least one end of the first reinforcing structure extends beyond an end face of the housing of the corresponding battery string at the corresponding end.

[0005] In the above technical solution, in the second direction, at least one end of the first reinforcing structure extending beyond the end face of the housing of the corresponding battery string at the corresponding end can increase the structural strength of the battery, prevent the housing from colliding with adjacent members and being damaged, improve the stability and service life of the battery unit, and ensure the use safety and reliability of the battery. And the dimension of the battery unit in the second direction is designed more flexibly to meet the usage needs of different batteries. When the battery disclosed in the embodiment of this application is used in a power consumption device, the power supply system of the power consumption device can adopt the battery disclosed in this application, thereby improving the usage safety and reliability of the power consumption device.

[0006] In some embodiments, an electrical connection is provided on the end face of at least one end of the battery array in the second direction, and the first reinforcing structure extends beyond the electrical connection at the corresponding end. In the above technical proposal, the first reinforcing structure can also prevent damage to the electrical connection due to impact.

[0007] In some embodiments, the battery further includes an electrical connection member connected to the electrical connection portion, and the first reinforcing structure extends beyond the corresponding end of the electrical connection member. In the above technical proposal, the first reinforcing structure can also prevent damage to the electrical connection member due to impact.

[0008] In some embodiments, the first reinforcing structure is a reinforcing plate, the reinforcing plate is provided with avoidance through-holes, and the electrical connection member connects the electrical connections of two adjacent battery rows through the avoidance through-holes. In the above technical proposal, the first reinforcing structure avoids interfering with the electrical connection member.

[0009] In some embodiments, the excess dimension of the first reinforcing structure in the second direction is 3 mm to 50 mm. The above-described technical proposal ensures a structural strengthening effect and makes the structure compact.

[0010] In some embodiments, the thickness of the first reinforcing structure in the first direction is 1 mm to 8 mm. The above-described technical proposal ensures a structural strengthening effect while making the structure compact and reducing costs.

[0011] In some embodiments, the battery array comprises a plurality of individual batteries, each of which is connected to an adjacent first reinforcing structure, and / or two adjacent individual batteries of the same battery array are bonded together via a viscose layer. The above technical proposal further improves the overall structural strength.

[0012] In some embodiments, at least one of the first reinforcing structures is located between two adjacent battery rows, and both adjacent battery rows are connected to adjacent first reinforcing structures. The above technical proposal further improves the overall structural strength with a simpler structure.

[0013] In some embodiments, the reinforcing structure further includes a second reinforcing structure connected to the first reinforcing structure, the second reinforcing structure extending along the first direction and stacked with the individual batteries of the same battery array along the second direction. The above technical proposal can further improve structural strength.

[0014] In some embodiments, the battery array comprises a plurality of individual battery units, and at least one of the second reinforcing structures is provided between two adjacent individual battery units. The above technical proposal provides support and structural reinforcement to two individual battery units simultaneously with a simpler structure.

[0015] In some embodiments, the second reinforcing structure is installed along both sides of the first reinforcing structure in the first direction. The above technical proposal improves the overall strength of the reinforcing structure.

[0016] In some embodiments, the first reinforcing structure is a plurality of reinforcing structures arranged along the first direction, and the second reinforcing structures on two adjacent first reinforcing structures are either separated from each other or connected to each other. In the above technical proposal, the overall strength of the reinforcing structure can be improved, or the assembly of the reinforcing structure with the battery unit can be made more convenient.

[0017] In some embodiments, in the third direction, the dimensions of the reinforcing structure are smaller than or equal to the distance between the end faces of the battery array, and both the first and second directions are perpendicular to the third direction. The above-described technical proposal avoids the reinforcing structure excessively occupying space in the third direction, thereby making the structure compact.

[0018] In some embodiments, the reinforcing structure has passages for housing a heat exchange medium, and the reinforcing structure is thermally conductively connected to an adjacent battery unit to regulate the temperature of the battery unit. In the above-described technical proposal, the reinforcing structure integrates multiple functions: structural reinforcement and temperature regulation of the battery unit.

[0019] In some embodiments, the first reinforcing structure is one or a plurality of reinforcing structures arranged along the first direction, the battery includes a diversion member and a merging member, the diversion member and the merging member are located on opposite sides of the battery row in the second direction, the inlet of the passage of each first reinforcing structure communicates with the diversion member and the outlet of the passage communicates with the merging member. The above-described technical proposal facilitates the connection of the passage to an external pipeline.

[0020] In some embodiments, the reinforcing structure has a buffer portion suitable for deformation caused by pressing on the individual battery. In the above-described technical proposal, the reinforcing structure integrates multiple functions: structural reinforcement and adjustment of the gap between individual battery units.

[0021] In some embodiments, the buffer portion includes a buffer material layer and / or the buffer portion includes a hollow chamber provided in the reinforcing structure. In the above-described technical proposal, the buffer portion has a simple structure and the gap of the battery unit can be easily adjusted.

[0022] In some embodiments, the side of the battery unit adjacent to the first reinforcing structure along the first direction is the surface with the largest area. The above technical proposal is advantageous in improving the effects of support, structural reinforcement, and temperature regulation.

[0023] In some embodiments, both sides of the battery unit facing each other along the first direction are surfaces with the maximum surface area. The above technical proposal is advantageous for improving the effects of support, structural reinforcement, and temperature regulation.

[0024] In some embodiments, the dimension of the battery unit in the second direction is larger than the dimension in the first direction. In the above technical solution, a plurality of battery strings in the battery can be arranged along the first direction where the dimension of the battery unit is small, which is beneficial to reducing the occupied space of the whole battery.

[0025] In some embodiments, each of the battery strings includes two of the battery units. The electrical connection part of each battery unit includes two electrode terminals provided on the same side. The electrical connection parts of the two battery units are provided on the opposite sides of each other, or the electrical connection parts of the two battery units are provided on the opposite sides of each other and are connected to each other. In the above technical solution, two battery units in the same battery string support and limit each other, further improving the overall structural strength.

[0026] In some embodiments, each of the battery strings includes a plurality of the battery units. The electrical connection part of each battery unit includes two electrode terminals provided on both sides respectively. The opposing electrode terminals of two adjacent battery units are electrically connected. In the above technical solution, a plurality of battery units in the same battery string support and limit each other, further improving the overall structural strength.

[0027] In some embodiments, a pressure relief part and an electrical connection part are provided on the battery unit, and the pressure relief part and the electrical connection part are provided on different sides of the battery unit. In the above technical solution, when relieving pressure due to thermal runaway, it is avoided that the temperature of the electrical connection part becomes too high and ignition or explosion occurs.

[0028] In a second aspect, embodiments of the present application also provide a power consumption device, the power consumption device includes the above battery, and the battery is used to provide electrical energy to the power consumption device.

Brief Description of the Drawings

[0029] [Figure 1] It is a drawing of the battery in the third direction of some embodiments of the present application. [Figure 2] It is the drawing in the second direction of FIG. 1. [Figure 3] It is a schematic diagram of the first reinforcement structure and two battery strings of the first embodiment of the present application. [Figure 4] It is a schematic diagram of the first reinforcement structure and two battery strings of the second embodiment of the present application. [Figure 5] It is a schematic diagram of the first reinforcement structure, the second reinforcement structure and two battery strings of the third embodiment of the present application. [Figure 6] It is the drawing in the third direction of the battery of some other embodiments of the present application. [Figure 7] It is the drawing in the second direction of FIG. 6. [Figure 8] It is a schematic diagram of the first reinforcement structure and two battery strings in FIG. 6. [Figure 9] It is a schematic diagram of a single battery in FIG. 6. [Figure 10] FIGS. 10 - 12 are schematic diagrams of single batteries of three embodiments of the present application. [Figure 11] FIGS. 10 - 12 are schematic diagrams of single batteries of three embodiments of the present application. [Figure 12] FIGS. 10 - 12 are schematic diagrams of single batteries of three embodiments of the present application. [Figure 13] It is a schematic diagram of a power consumption device according to some embodiments of the present application.

Embodiments for Carrying Out the Invention

[0030] To make the purpose, technical solution and advantages of the embodiments of the present application clearer, hereinafter, while referring to the drawings in the embodiments of the present application, the technical solution in the embodiments of the present application will be clearly described. However, it is obvious that the described embodiments are only a part of the embodiments of the present application, not all of them. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0031] Unless otherwise defined, all technical and scientific terms used in this application are identical in meaning to those commonly understood by those skilled in the art of this application. Terms used in the specification of this application are used solely for the purpose of describing specific embodiments and are not intended to limit this application. The terms “including” and “having,” and their variations, in the description of the specification, claims, and drawings above, are intended to cover non-exclusive inclusion. Terms such as “first” and “second,” in the specification, claims, and drawings above, are used to distinguish different subjects, rather than to describe a specific order or subordination.

[0032] In this specification, the term "Examples" means that certain features, structures, or properties described in relation to an Example may be included in at least one Example herein. The appearance of this term in various places within this specification does not necessarily mean the same Example, nor does it mean that the other Examples are mutually exclusive, independent, or alternative Examples.

[0033] In the description of this application, unless otherwise explicitly stated or limited, the terms “attachment,” “connection,” “connection,” and “connection” should be understood generally, and may, for example, be a fixed connection, a removable connection, or an integral connection; may be a direct connection or an indirect connection via an intermediate medium; or may be internal communication between two components. Those skilled in the art will understand the specific meaning of the above terms in this application depending on the specific context.

[0034] In this application, the term "and / or" merely describes a relationship that explains the related objects, and means that three types of relationships may exist. For example, A and / or B can represent three situations: A existing alone, A and B existing simultaneously, and B existing alone. In this application, the symbol " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0035] In the embodiments of this application, the same reference numerals indicate the same component, and in different embodiments, for the sake of brevity, a detailed description of the same component is omitted. It should be understood that the dimensions of various components, such as thickness, length, and width, in the embodiments of this application shown in the drawings, and the overall dimensions of the integrated device, are illustrative only and should not constitute any limitation of this application.

[0036] In this application, "multiple" means two or more (including two).

[0037] In this application, "battery" means a single physical module comprising one or more individual batteries to provide higher voltage and capacity. For example, the batteries described in this application may include a set of battery modules or a battery pack. Some batteries may include a housing for packaging one or more individual batteries or multiple sets of battery modules. The housing can prevent liquids or other foreign matter from affecting the charging or discharging of the individual batteries. Of course, some other batteries may be installed directly in the battery mounting chamber of a power consumption device without including the housing described above.

[0038] In this application, a single battery can include lithium-ion secondary batteries, lithium-ion primary batteries, lithium-sulfur batteries, sodium-lithium-ion batteries, sodium-ion batteries, or magnesium-ion batteries, and the embodiments of this application are not limited thereto. A single battery may be cylindrical, flattened, rectangular, or have other shapes, and the embodiments of this application are not limited thereto. Single batteries are generally classified into three types based on their packaging: columnar single batteries, rectangular single batteries, and soft-pack single batteries, but the embodiments of this application are not limited thereto.

[0039] For example, a battery unit may include a housing, an electrode assembly, and an electrolyte, with the housing containing the electrode assembly and the electrolyte. The electrode assembly consists of a positive electrode sheet, a negative electrode sheet, and a separator membrane. The battery unit operates primarily through the movement of metal ions between the positive electrode sheet and the negative electrode sheet. The positive electrode sheet has a positive electrode current collector and a positive electrode active material layer coated on the surface of the positive electrode current collector. The positive electrode current collector that is not coated with the positive electrode active material layer protrudes from the positive electrode current collector that is coated with the positive electrode active material layer, and the positive electrode current collector that is not coated with the positive electrode active material layer forms the positive electrode tab. Taking a lithium-ion battery as an example, the material of the positive electrode current collector may be aluminum, and the positive electrode active material may be lithium cobalt oxide, lithium iron phosphate, ternary lithium, lithium manganese oxide, etc.

[0040] The negative electrode sheet comprises a negative electrode current collector and a negative electrode active material layer coated on the surface of the negative electrode current collector. The negative electrode current collector that is not coated with the negative electrode active material layer protrudes from the negative electrode current collector that is coated with the negative electrode active material layer, and the negative electrode current collector that is not coated with the negative electrode current collector layer serves as the negative electrode tab. The material of the negative electrode current collector may be copper, and the negative electrode active material may be carbon, silicon, or the like. To ensure that a large current can be carried without melting, there are multiple positive electrode tabs, and the positive electrode tabs are stacked, and there are multiple negative electrode tabs, and the negative electrode tabs are stacked.

[0041] The material of the isolation membrane is PP (polypropylene) or PE (polyethylene), etc. Furthermore, the electrode assembly may be a wound structure or a laminated sheet structure, and the embodiments of this application are not limited to these.

[0042] The battery unit may be provided with electrical connection points such as electrode terminals that connect to tabs. The battery unit may also have a pressure relief section. When the internal pressure of the battery unit becomes excessively high (for example, thermal runaway), the pressure relief section releases substances inside the battery unit (for example, gas, liquid, particulate matter, etc.) to reduce the internal pressure of the battery unit, preventing dangerous accidents such as the battery unit exploding due to a sudden increase in internal pressure. For example, the pressure relief section may be an explosion-proof valve, an explosion-proof sheet, etc.

[0043] For example, some power consumption devices in related technologies employ batteries to supply power, and the battery consists of a housing that includes an upper housing and a lower housing, and the battery itself. The battery itself is usually fixed to the upper or lower housing with viscose, which results in poor structural strength for the entire battery. However, fixing with viscose is not robust, and especially as the battery usage time increases and the temperature rises, it can lead to deterioration and softening of the viscose, making the battery itself more prone to movement, especially in the event of a collision, and furthermore, the battery itself is more likely to collide with adjacent components or the housing, making it more susceptible to damage.

[0044] To avoid the problem of damage to individual batteries due to impact, the inventors discovered that the structure of the battery could be improved to enhance its structural strength.

[0045] Based on this, the inventors have conducted in-depth research and have proposed a battery 1000 comprising a reinforcing structure 20 and a plurality of battery rows 10 arranged along a first direction F1, each battery row 10 comprising at least one individual battery 11 arranged along a second direction F2 perpendicular to the first direction F1. Each individual battery 11 has a housing 111. The reinforcing structure 20 includes a first reinforcing structure 21 extending along the second direction F2, the first reinforcing structure 21 being stacked with the plurality of battery rows 10 along the first direction F1, and in the second direction F2, at least one end of the first reinforcing structure 21 extends beyond the end face of the housing 111 of the corresponding end of the battery row 10.

[0046] In the battery 1000 configured as described above, the reinforcing structure 20 improves the overall structural strength of the battery 1000, and at least one end of the first reinforcing structure 21 extends beyond the end face of the housing 111 of the battery row 10 at the corresponding end. When the battery 1000 is subjected to an impact, the first reinforcing structure 21 receives the external force before the housing 111 (for example, it receives the impact force transmitted from the housing 40), thus preventing the external force from directly acting on the housing 111 of the battery unit 11, or preventing the external force from acting on the housing 111 of the battery unit 11, thereby preventing damage to the battery unit 11 due to collision.

[0047] Furthermore, compared to fixing the battery unit with viscose alone in related technologies, the structural strength improvement provided by the reinforcing structure 20 is more significant and reliable, less prone to degradation and softening, and the mechanical strength of the reinforcing structure 20 is higher, allowing it to withstand greater impact forces and significantly extending the lifespan of the battery 1000.

[0048] The battery 1000 disclosed in the embodiments of this application can be used in power consumption devices 2000 such as vehicles, ships, or aircraft, but is not limited thereto. The power supply system of the power consumption device 2000 can be configured with the battery 1000 disclosed in this application or the like to ensure the safety and reliability of the use of the power consumption device 2000.

[0049] For example, the power consumption device 2000 disclosed in the embodiments of this application may be, but is not limited to, a vehicle, a mobile phone, a tablet, a laptop computer, a ship, a spacecraft, an electric toy, and a power tool. A vehicle may be a fuel vehicle, a gas vehicle, a new energy vehicle, or a railway vehicle, and a new energy vehicle may be a pure electric vehicle, a hybrid vehicle, a range-extending vehicle, etc. A spacecraft may include an airplane, a rocket, a space shuttle, a spacecraft, etc. An electric toy may be a stationary or mobile electric toy, such as a game console, an electric vehicle toy, an electric boat toy, an electric airplane toy, etc. A power tool may be a power tool for metal cutting, an electric tool for grinding, an electric tool for assembly, a power tool for railways, such as an electric drill, an electric grinder, an electric wrench, an electric screwdriver, an electric hammer, an impact electric drill, a concrete vibrator, an electric scraper, etc.

[0050] The battery 1000 according to an embodiment of this application will be described below with reference to the drawings.

[0051] As shown in Figures 1 to 8, the battery 1000 comprises a reinforcing structure 20 and a plurality of battery rows 10. The plurality of battery rows 10 are arranged along a first direction F1, and each battery row 10 includes at least one individual battery 11 arranged along a second direction F2 perpendicular to the first direction F1. Each individual battery 11 has a housing 111. The reinforcing structure 20 includes a first reinforcing structure 21 extending along the second direction F2, and the first reinforcing structure 21 is stacked with the plurality of battery rows 10 along the first direction F1. In the second direction F2, at least one end of the first reinforcing structure 21 extends beyond the end face of the housing 111 of the battery row 10 at the corresponding end.

[0052] Each battery array 10 includes at least one individual battery 11 arranged along the second direction F2. That is, the battery array 10 may include one individual battery 11 extending along the second direction F2, or the battery array 10 may include multiple individual battery 11 sequentially arranged along the second direction F2.

[0053] The reinforcing structure 20 is a structure that can perform a structural reinforcement function and improves the structural strength of the multiple battery rows 10 and the battery 1000 as a whole. The reinforcing structure 20 includes a first reinforcing structure 21 that extends along a second direction F2. The specific structure of the first reinforcing structure 21 is not particularly limited; for example, as shown in Figures 1 and 2, the first reinforcing structure 21 may be a rectangular plate, with the length direction extending along the second direction F2, or the lateral direction extending along the second direction F2 and the thickness direction extending along the first direction F1, allowing for a compact arrangement of multiple battery rows 10. Of course, the first reinforcing structure 21 may be in a shape other than a plate, as long as it satisfies the requirement that it can improve the overall strength of the battery 1000. Selectively, the material of the first reinforcing structure 21 may be a metal such as steel or aluminum, or a non-metal such as a high-strength plastic or composite material, but is not limited to these in this application.

[0054] As shown in Figures 1 to 8, the first reinforcing structure 21 is stacked with the multiple battery rows 10 along the first direction F1. That is, at least a portion of the projections of the first reinforcing structure 21 and the battery rows 10 along the first direction F1 overlap, making it easier for the first reinforcing structure 21 to reinforce the overall structural strength of the battery rows 10, and making the structure of the first reinforcing structure 21 and the battery rows 10 more compact.

[0055] For example, the first reinforcing structure 21 may be one or more. The more first reinforcing structures 21 there are, the better the effect of improving the structural stability of the battery 1000. The first reinforcing structure 21 may be installed on one side of a plurality of battery rows 10 in the first direction F1, that is, the plurality of battery rows 10 and the first reinforcing structure 21 may be arranged in the order of plurality of battery rows 10 and the first reinforcing structure 21 in the first direction F1. The first reinforcing structure 21 may be provided between two adjacent battery rows 10, that is, the order of one battery row 10, the first reinforcing structure 21 and another battery row 10 may be arranged in the order of one battery row 10, the first reinforcing structure 21 and another battery row 10. In some embodiments in which there are multiple first reinforcing structures 21, at least one battery row 10 is provided between two adjacent first reinforcing structures 21, and the first reinforcing structure 21 may be provided between two adjacent battery rows 10, or it may be provided on the same side of a plurality of battery rows 10.

[0056] Referring again to Figures 1 to 8, in the second direction F2, at least one end of the first reinforcing structure 21 extends beyond the end face of the housing 111 of the battery row 10 at the corresponding end. Specifically, the housings 111 of all the individual batteries 11 of the battery row 10 are arranged in a row along the second direction F2, and the end faces of the housings 111 located at both ends of the second direction F2 that are separated from the adjacent housings 111 become the end faces of the housings 111 at both ends of the battery row 10. In the second direction F2, the first reinforcing structure 21 has a first end and a second end, and the end faces of the housings 111 at both ends of the battery row 10 correspond to the first end and the second end, respectively.

[0057] Here, the first end may extend beyond the corresponding housing 111 end face of the corresponding battery row 10 in the direction away from the second end, that is, the first end may be located on one side of the end face of the corresponding housing 111 away from the second end, or the second end may extend beyond the corresponding housing 111 end face of the corresponding battery row 10 in the direction away from the first end, that is, the second end may be located on the side of the end face of the corresponding housing 111 away from the first end, or the first end may extend beyond the corresponding housing 111 end face of the corresponding battery row 10 in the direction away from the second end, and the second end may extend beyond the corresponding housing 111 end face of the corresponding battery row 10 in the direction away from the first end, that is, the first end and the second end are located on the sides of the housing 111 end faces at both ends of the battery row 10 that are away from each other, that is, the dimensions of the first reinforcing structure 21 in the second direction F2 are greater than the distance between the housing 111 end faces at both ends of the battery row 10.

[0058] Since at least one end of the first reinforcing structure 21 extends beyond the end face of the corresponding housing 111, in the event of a collision, the excess portion of the first reinforcing structure 21 contacts an adjacent member such as the housing 40 before the end face of the corresponding housing 111 of the battery row 10, thus preventing the housing 111 from directly colliding and avoiding damage to the housing 111. Furthermore, damage to the internal structure of the individual battery 11 is also avoided, as is the transmission of external force to an adjacent individual battery 11 due to a collision between the end faces of the housing 111 and the battery 1000, thereby improving the structural stability and safety of the entire battery row 10 and the entire battery 1000.

[0059] This means that the dimensional design of the battery unit 11 in the second direction F2 is not restricted. In other words, the dimensions of the battery unit 11 in the second direction F2 can be made larger (e.g., 140 mm or more), satisfying requirements such as large capacity and large mounting space, and the structural strength of the larger battery unit 11 is high. Alternatively, the dimensions of the battery unit 11 in the second direction F2 can be made smaller (e.g., less than 140 mm), satisfying requirements such as small mounting space, small capacity, low difficulty in the manufacturing process of the battery unit 11, and avoiding a decrease in power performance due to an excessively long sheet, and the small-sized battery unit 11 becomes less susceptible to damage under the action of the first reinforcing structure 21.

[0060] According to the battery 1000 of the embodiment of this application, in the second direction F2, at least one end of the first reinforcing structure 21 extends beyond the end face of the housing 111 corresponding to the battery row 10, thereby increasing the structural strength of the battery 1000, preventing the housing 111 from colliding with adjacent members and being damaged, improving the stability and service life of the battery unit 11, and ensuring the safety and reliability of the battery 1000 in use. Furthermore, the dimensions of the battery unit 11 in the second direction F2 are designed to be more flexible in order to meet the different usage needs of the battery 1000. When the battery 1000 disclosed in the embodiment of this application is used in a power consumption device 2000, the power supply system of the power consumption device 2000 can adopt the battery 1000 disclosed in this application, thereby improving the safety and reliability of the power consumption device 2000 in use.

[0061] In the embodiment of this application, the dimensions of the first reinforcing structure 21 that extends beyond the end face of the housing 111 at the end corresponding to the battery row 10 can be flexibly set according to the actual circumstances.

[0062] For example, in some embodiments, an electrical connection portion 112 is provided on the end face of at least one end of the battery array 10 in the second direction F2, and the first reinforcing structure 21 extends beyond the electrical connection portion 112 at the corresponding end.

[0063] The electrical connection portion 112 is a component for realizing the electrical connection of a single battery 11, and may be, for example, an electrode terminal 113. The electrical connection portion 112 is provided on the end face of the housing 111, which is the end face of the battery array 10 in the second direction F2, and can be used to realize the electrical connection of this single battery 11 or this battery array 10 to other structures, for example, to realize the series or parallel connection of multiple battery arrays 10.

[0064] The first reinforcing structure 21 extends beyond the end electrical connection portion 112 of the corresponding end; that is, the first end of the first reinforcing structure 21 is located on one side away from the second end of the electrical connection portion 112 of the corresponding end, and the second end is located on one side away from the first end of the electrical connection portion 112 of the corresponding end.

[0065] This ensures that, in the event of a collision, the first reinforcing structure 21 contacts an adjacent member before the electrical connection 112, preventing the electrical connection 112 from being directly hit and damaged. The first reinforcing structure 21 can protect not only the housing 111 but also the electrical connection 112.

[0066] For example, in some embodiments, as shown in Figure 3, the battery 1000 further includes an electrical connection member 12 connected to an electrical connection section 112, and the first reinforcing structure 21 extends beyond the electrical connection member 12 at the corresponding end.

[0067] The electrical connection section 12 is for achieving electrical connection between the two electrical connection sections 112, and for example, the electrical connection section 12 may be a merging sheet. The first reinforcing structure 21 extends beyond the electrical connection member 12 at the corresponding end; that is, the first end of the first reinforcing structure 21 is located on one side away from the second end of the electrical connection member 12 at the corresponding end, and the second end is located on one side away from the first end of the electrical connection member 12 at the corresponding end.

[0068] This prevents the first reinforcing structure 21 from contacting an adjacent member before the electrical connection member 12 during a collision, thus avoiding direct collision that could damage both the electrical connection member 12 and the electrical connection structure. The first reinforcing structure 21 can protect the housing 111, the electrical connection part 112, and the electrical connection member 12, thereby ensuring a more reliable protective effect.

[0069] In some embodiments, as shown in Figure 3, the first reinforcing structure 21 can be provided with an avoidance structure to avoid the electrical connection member 12, facilitating the connection of two adjacent battery rows 10 and facilitating series or parallel connection of the two battery rows 10.

[0070] For example, the first reinforcing structure 21 may be a reinforcing plate, and the reinforcing plate is provided with avoidance through holes, and the electrical connection member 12 connects the electrical connection parts 112 of two adjacent battery rows 10 through the avoidance through holes.

[0071] The bypass through-holes penetrate both side surfaces of the reinforcing plate, forming a cavity structure through which the electrical connection member 12 passes through the reinforcing plate along the first direction F1 and electrically connects with the electrical connection portions 112 of the two battery rows 10 on both sides of the first reinforcing structure 21.

[0072] In some embodiments of this application, the oversized dimension of the first reinforcing structure 21 in the second direction F2 is 3 mm to 50 mm. For example, in some specific embodiments, the oversized dimension of the first reinforcing structure is 3 mm, 5 mm, 10 mm, 20 mm, 30 mm, 40 mm, 50 mm, etc.

[0073] Here, in an embodiment where the first reinforcing structure 21 does not extend beyond the end face of the housing 111 and beyond the electrical connection portion 112, the excess dimension of the first reinforcing structure 21 is the distance between the end of the first reinforcing structure 21 and the corresponding end face of the housing 111 in the second direction F2. In an embodiment where the first reinforcing structure 21 does not extend beyond the electrical connection portion 112 and beyond the electrical connection member 12, the excess dimension of the first reinforcing structure 21 is the distance between the end of the first reinforcing structure 21 and the corresponding end of the electrical connection portion 112 in the second direction F2. In an embodiment where the first reinforcing structure 21 extends beyond the electrical connection member 12, the excess dimension of the first reinforcing structure 21 is the distance between the end of the first reinforcing structure 21 and the corresponding end of the electrical connection member 12 in the second direction F2.

[0074] By ensuring that the excess dimensions of the first reinforcing structure 21 are within the above numerical range, the excess dimensions are made large enough to prevent the battery unit 11 from being damaged by impact. Furthermore, it is avoided that the excess dimensions would be too large, thus avoiding the first reinforcing structure 21 occupying too much space, which is advantageous for making the structure more compact.

[0075] In some embodiments of this application, the thickness of the first reinforcing structure 21 in the first direction is 1 mm to 8 mm. For example, in some specific embodiments, the dimensions of the first reinforcing structure 21 are 1 mm, 3 mm, 5 mm, 7 mm, 8 mm, etc.

[0076] If the thickness of the first reinforcing structure 21 is too small, the structural strength of the first reinforcing structure 21 itself will decrease, which is detrimental to its impact resistance. If the thickness of the first reinforcing structure 21 is too large, it will occupy too much space, increasing costs. Within the above numerical range, it is advantageous to ensure structural reinforcement effect and impact resistance for the battery 1000, while making the structure compact and reducing costs.

[0077] In some embodiments, the battery array 10 includes multiple individual battery units 11, as shown in Figures 3, 5, and 8, multiple individual battery units 11 of the same battery array 10 are connected to adjacent first reinforcing structures 21, and / or, as shown in Figure 4, two adjacent individual battery units 11 of the same battery array 10 are bonded together via a viscose layer 30.

[0078] Each of the multiple individual battery units 11 of the same battery row 10 is connected to an adjacent first reinforcing structure 21. This allows the multiple individual battery units 11 to be connected integrally by the first reinforcing structure 21, further improving the structural strength of the battery row 10 and enhancing its impact resistance.

[0079] In this application, there are no particular restrictions on the method of connecting each battery unit 11 to the first reinforcing structure 21; for example, adhesive, welding, fastener connection, etc., may be used.

[0080] By bonding two adjacent battery units 11 of the same battery row 10 via a viscose layer 30 (structural adhesive), adjacent battery units 11 of the same battery row 10 can be connected integrally, further improving the overall structural strength of the battery row 10.

[0081] Of course, in embodiments where two adjacent battery units 11 of the same battery array 10 are bonded together via a viscose layer 30, and each of the multiple battery units 11 of the same battery array 10 is connected to an adjacent first reinforcing structure 21, the structural strength of the battery array 10 is superior.

[0082] In some embodiments of this application, as shown in Figures 1 to 8, at least one first reinforcing structure 21 is located between two adjacent battery rows 10, and both adjacent battery rows 10 are connected to the adjacent first reinforcing structure 21. In other words, at least a three-layer structure of battery row 10-first reinforcing structure 21-battery row 10 is formed.

[0083] The above proposal not only further strengthens the battery 1000, but also allows each first reinforcing structure 21 to connect multiple individual battery cells 11 of the two battery rows 10 to each other, reducing the number of first reinforcing structures 21 and simplifying the structure of the battery 1000. Furthermore, the first reinforcing structure 21 can also partition two adjacent battery rows 10, and if an insulating material is used in the first reinforcing structure 21, it can provide a certain insulating effect and prevent heat diffusion.

[0084] According to some embodiments of this application, as shown in Figure 5, the reinforcing structure 20 further includes a second reinforcing structure 22 connected to a first reinforcing structure 21. The second reinforcing structure 22 extends along a first direction F1 and is stacked with individual battery units 11 of the same battery array 10 along a second direction F2.

[0085] On the other hand, the second reinforcing structure 22 is connected to the first reinforcing structure 21. For example, the second reinforcing structure 22 can be provided on one side of the battery row 10 of the first reinforcing structure 21, and each first reinforcing structure 21 and each second reinforcing structure 22 can be arranged in a roughly T-shape or L-shape. The overall structural strength of the reinforcing structure 20 can be increased, and consequently, the strength-enhancing effect on the battery 1000 can be increased. Selectively, the material of the second reinforcing structure 22 may be a metal such as steel or aluminum, or a non-metal such as a high-strength plastic or composite material. The second reinforcing structure 22 and the first reinforcing structure 21 may be made of the same material or different materials. The method of joining the second reinforcing structure 22 and the first reinforcing structure 21 may be adhesive, welding, fastener joining, integral molding, etc., and this application does not limit it thereto.

[0086] On the other hand, the second reinforcing structure 22 can be easily stacked along the second direction F2 with the individual battery units 11 of the same battery row 10. For example, the second reinforcing structure 22 can be located on one side of the entire battery row 10 (including one or more individual battery units 11) in the second direction F2. Alternatively, the second reinforcing structure 22 can be located between two adjacent individual battery units 11, resulting in a three-layer structure of individual battery unit 11-second reinforcing structure 22-individual battery unit 11, which is advantageous for further strength improvement. The second reinforcing structure 22 can also separate the two adjacent individual battery units 11, and if thermal insulation material is used in the second reinforcing structure 22, the occurrence of heat diffusion can be avoided.

[0087] In some embodiments, as shown in Figure 5, the battery array 10 includes a plurality of individual battery units 11, and at least one second reinforcing structure 22 is provided between two adjacent individual battery units 11. The second reinforcing structure 22 separates the two adjacent individual battery units 11 and supports them.

[0088] In some specific embodiments, as shown in Figure 5, since electrical connection parts 112 are not provided on the adjacent end faces of two battery units 11, both end faces can be in direct contact with the second reinforcing structure 22, resulting in better support and strength enhancement effects.

[0089] In some embodiments, as shown in Figure 5, the second reinforcing structure 22 is provided on both sides of the first reinforcing structure 21 in the first direction F1.

[0090] Here, if one second reinforcing structure 22 is provided on each side of the first reinforcing structure 21, the first reinforcing structure 21 and the second reinforcing structures 22 on both sides form a roughly cross-shaped structure. If multiple second reinforcing structures 22 are provided on each side of the first reinforcing structure 21, the first reinforcing structure 21 and the second reinforcing structures 22 on both sides form a roughly fishbone-shaped structure. The number of second reinforcing structures 22 can be flexibly set according to the strength enhancement requirement and the number of individual batteries 11 included in the battery array 10.

[0091] According to some embodiments of this application, as shown in Figures 1-2 and 6-7, the first reinforcing structures 21 are arranged in a plurality along a first direction F1, and the second reinforcing structures 22 on two adjacent first reinforcing structures 21 are either separated from each other or connected to each other.

[0092] The number of first reinforcing structures 21 can be two, three, or more, and the specific number can be flexibly set according to the installation location of the first reinforcing structures 21, the number of battery rows 10, and the structural strength requirements. For example, as shown in Figure 1, the battery 1000 includes 32 battery rows 10, and the reinforcing structure 20 includes 16 first reinforcing structures 21, each first reinforcing structure 21 being placed between two adjacent battery rows 10, and two battery rows 10 being placed between any two adjacent first reinforcing structures 21.

[0093] The second reinforcing structures 22 on two adjacent first reinforcing structures 21 are separated from each other, that is, the second reinforcing structures 22 on the side of the two adjacent first reinforcing structures 21 that are close to each other are not connected, which makes it easier to process the reinforcing structure 20 and to assemble the reinforcing structure 20 with the battery unit 11. Alternatively, by connecting the second reinforcing structures 22 on two adjacent first reinforcing structures 21, the two adjacent first reinforcing structures 21 are connected by the second reinforcing structures 22, and the reinforcing structure 20 is made into a fishbone structure or a mesh structure, which can further improve the overall structural strength.

[0094] According to some embodiments of this application, as shown in Figures 2 and 7, in the third direction, the dimensions of the reinforcing structure 20 are less than or equal to the distance between the end faces of the battery row 10, and both the first direction F1 and the second direction F2 are perpendicular to the third direction F3.

[0095] For example, the battery array 10 has end faces at both ends, such as an upper end face and a lower end face, that face each other in the third direction F3. The dimensions of the reinforcing structure 20 are smaller than or equal to the distance between the end faces, which is advantageous in reducing the space occupied by the reinforcing structure 20 in the third direction F3, which is advantageous in reducing the overall dimensions of the battery 1000 in the third direction F3, and which allows the battery 1000 to be used in a smaller mounting space, such as the mounting space under the vehicle.

[0096] In some embodiments of this application, the reinforcing structure 20 has passages for housing a heat exchange medium, and the reinforcing structure 20 is thermally conductively connected to an adjacent battery unit 11 to regulate the temperature of the battery unit 11.

[0097] Here, the heat exchange medium may be a liquid (e.g., water, a mixture of water and ethylene glycol, etc.), a gas (e.g., air, etc.), a solid-liquid phase change material, etc. The thermal conductivity connection may be a direct contact connection, or a thermal conductive pad, thermal conductive adhesive, etc. may be placed between the reinforcing structure 20 and the adjacent battery unit 11 to enhance thermal conductivity. Adjusting the temperature of the battery unit 11 may be done by cooling the battery unit 11 to dissipate heat, or by heating the battery unit 11 to raise its temperature, both of which are within the scope of protection of this application. In the following, this embodiment will be described using the example of dissipating heat from the battery unit 11, but the process of heating the battery unit 11 to raise its temperature can also be understood from the following description.

[0098] This allows the reinforcing structure 20 and the heat exchange structure to be integrated into a single design. A heat exchange medium can be passed through the passage, and the heat generated when the battery unit 11 is operating can be conducted to the reinforcing structure 20 and then conducted through the heat exchange medium in the passage to dissipate heat from the battery unit 11, thereby diversifying the functions of the reinforcing structure 20.

[0099] For example, in an embodiment in which the reinforcing structure 20 includes a first reinforcing structure 21, the first reinforcing structure 21 may have a passage for accommodating a heat exchange medium. In an embodiment in which the reinforcing structure 20 includes a first reinforcing structure 21 and a second reinforcing structure 22, at least one of the first reinforcing structure 21 and the second reinforcing structure 22 has a passage for accommodating a heat exchange medium. In an embodiment in which both the first reinforcing structure 21 and the second reinforcing structure 22 have passages for accommodating a heat exchange medium, the battery unit 11 can be heated from different sides.

[0100] In some embodiments, as shown in Figures 1 and 6, the first reinforcing structure 21 is one or a plurality of reinforcing structures arranged along a first direction F1, and the battery 1000 further includes a diversion member 31 and a merging member 32, the diversion member 31 and the merging member 32 respectively located on either side of the battery row 10 in a second direction F2, with the entrance of the passage of each first reinforcing structure 21 communicating with the diversion member 31 and the exit of the passage communicating with the merging member 32.

[0101] The diversion member 31, the merging member 32, and the first reinforcing structure 21 can constitute a flow path for the heat exchange medium, that is, the heat exchange medium can flow into the passage of the first reinforcing structure 21 via the diversion member 31, undergo heat exchange, and then flow out via the merging member 32. In embodiments including multiple first reinforcing structures 21, the heat exchange medium can flow into the passages of each of the multiple first reinforcing structures 21 via the diversion member 31, undergo heat exchange, and then merge into the merging member 32 and flow out via the merging member 32. This allows the reinforcing structure 20 to connect to an external cooling / heating system via the diversion member 31 and the merging member 32, which is advantageous for simplifying piping connections.

[0102] In this application, the specific structure of the diversion member 31 and the merging member 32 is not particularly limited. For example, the diversion member 31 and the merging member 32 may be any structure such as a pipe or a plate, as long as they satisfy the requirement that they can communicate with the passages of the multiple first reinforcing structures 21.

[0103] In some embodiments of this application, the reinforcing structure 20 has a cushioning portion that deforms when pressed by the battery unit 11.

[0104] The cushioning portion can exert a cushioning effect by deforming, reducing the damage to the battery unit 11 when an impact occurs. For example, when an impact occurs in the first direction F1, the battery unit 11 presses against the cushioning portion, reducing the impact force received by the battery unit 11. Furthermore, during long-term operation of the battery 1000, it is necessary to periodically adjust the reserve gap between the battery units 11 to avoid the gap becoming excessive in the early stages of use and insufficient in the later stages of use. By providing the cushioning portion, if the expansion force of the battery unit 11 changes during use, pressure can be applied to the cushioning portion, causing it to deform and adjust the pressing force against the battery unit 11. This prevents the battery unit 11 from being excessively pressurized, resulting in poor infiltration, or excessively loosened, resulting in poor interface quality.

[0105] In the embodiments of this application, the specific configuration of the buffer can be flexibly set according to the actual circumstances. For example, the buffer may include a buffer material layer, and / or the buffer may include a hollow chamber provided in the reinforcing structure 20.

[0106] Here, the cushioning layer may be a material layer attached to the surface of the reinforcing structure 20, and may be made of an elastic material such as rubber or silica gel. The cushioning layer can deform when subjected to pressure and exert a cushioning effect.

[0107] The buffer portion may include a hollow chamber provided in the reinforcing structure 20, and when pressed, the reinforcing structure 20 can be deformed, reducing the volume of the hollow chamber and achieving a buffering effect. For example, the hollow chamber may be a single, large chamber, or it may include a plurality of small, partitioned chambers formed in a honeycomb shape, both of which are within the scope of protection of this application. The reinforcing structure 20 is designed integrally with the buffer structure, and its functionality is diversified.

[0108] In some embodiments, the side of the battery unit 11 adjacent to the first reinforcing structure 21 in a first direction F1 is the surface with the largest area. In other words, the battery unit 11 has at least one surface with the largest area, which is adjacent to the first reinforcing structure 21, and the first reinforcing structure 21 provides stable support to the surface with the largest area, and in embodiments where the first reinforcing structure 21 has passages, heat exchange with the surface with the largest area can be performed more efficiently.

[0109] In some embodiments, as shown in Figures 1-2 and 6-7, both sides of the battery unit 11 that face each other in the first direction F1 are surfaces with the maximum surface area.

[0110] In other words, of the entire surface area of ​​the housing 111 of the battery unit 11, the area of ​​two sides facing each other along the first direction F1 is maximized, and the surface of the battery unit 11 with the maximum area can be connected to the first reinforcing structure 21. On the one hand, this improves the support stability of the first reinforcing structure 21 with respect to the battery row 10. On the other hand, the surface with the largest area dissipates a large amount of heat, and in embodiments in which the first reinforcing structure 21 has passages, this is advantageous for improving the heat dissipation efficiency for the battery unit 11.

[0111] In some embodiments, as shown in Figure 1, the dimensions of a single battery unit 11 in the second direction F2 are larger than the dimensions in the first direction F1, allowing multiple battery rows 10 of the battery 1000 to be stacked along the direction of smaller dimensions, which is advantageous for making the structure more compact.

[0112] In some embodiments, as shown in Figure 1, the dimensions of the battery unit 11 in the second direction F2 are larger than the dimensions in the third direction F3, which is advantageous in reducing the overall dimensions of the battery 1000 in the third direction F3 and decreasing the overall thickness of the battery 1000.

[0113] For example, in some specific embodiments, when the battery 1000 is used in a power consumption device 2000, the third direction F3 extends along the vertical direction, that is, the width direction of the battery unit 11 is vertical, the vertical space it occupies is small, and the overall height of the battery 1000 can be reduced. Multiple battery rows 10 can be stacked along the thickness direction of the battery unit 11, making the thickness direction of the battery unit 11 horizontal, the horizontal width of the battery 1000 is also small, and a compact configuration can be achieved.

[0114] According to some embodiments of this application, as shown in Figures 1 to 5, each battery row 10 includes two battery units 11, that is, the two battery units 11 are arranged in a row along a second direction F2. As shown in Figures 11 and 12, the electrical connection portion 112 of each battery unit 11 includes two electrode terminals 113 provided on the same side, and the two electrode terminals 113 can be a positive electrode terminal and a negative electrode terminal, and both electrode terminals 113 can be electrically connected on the same side of the battery unit 11, and the electrical connection structure can share the same space, which is advantageous for making the structure compact.

[0115] In some embodiments, as shown in Figures 1 to 5, the electrical connections 112 of two individual battery cells 11 in the same battery row 10 are arranged facing away from each other. The electrical connections 112 of individual battery cells 11 located on the same side in the second direction F2 of multiple battery rows 10 are all provided on the same side. As shown in Figure 1, the 64 electrical connections 112 of 32 battery rows 10 are formed in two rows spaced apart in the second direction F2, and each row contains 32 electrical connections 112 arranged along the first direction F1.

[0116] This brings the distance between multiple electrical connection points 112 in the same row closer, facilitating electrical connection between individual battery units 11. Furthermore, the bottoms of two individual battery units 11 in the same battery row 10 (i.e., the ends facing away from the electrical connection points 112) can be connected face-to-face, providing support and a limit between the two battery units 11, resulting in a more stable overall structure.

[0117] In some other embodiments, the electrical connection portions 112 of two individual battery units 11 in the same battery row 10 are provided on opposite sides of each other and are connected to each other by welding, application of conductive adhesive, etc. This allows the electrical connection portions 112 of two individual battery units 11 to be directly connected in the same battery row 10. On the one hand, this can serve to support the two individual battery units 11 in the second direction F2, which is advantageous in improving the overall structural strength of the battery row 10, and it is also advantageous in saving space as it eliminates the need for structures such as merging sheets and adapter sheets. On the other hand, it is possible to electrically connect the two individual battery units 11, and the individual battery units 11 can be connected in series or parallel in the same battery row 10, and since the electrical connection structure is located in the middle of the battery 1000, it is possible to prevent direct collision with the electrical connection structure in the event of a side collision.

[0118] According to some other embodiments of this application, as shown in Figures 6 and 7, each battery array 10 includes a plurality of individual battery units 11, for example, two or more. The electrical connection portion 112 of each individual battery unit 11 includes two electrode terminals 113 provided on each side thereof, i.e., the two electrode terminals 113 extend from both ends of the individual battery unit 11.

[0119] The opposing electrode terminals 113 of two adjacent battery units 11 in the same battery row 10 are electrically connected to each other. For example, the opposing electrode terminals 113 can be connected by direct welding, by applying a conductive adhesive, or by electrically connecting them via an adapter. This enables the electrical connection of multiple battery units 11 in the same battery row 10, making the overall structure more compact. In addition, the electrical connection structure is located in the middle of the battery 1000, preventing direct collision with the electrical connection structure during a side impact.

[0120] In the embodiments of this application, the battery unit 11 can be either a hard-housing battery unit or a soft-pack battery unit. The electrode terminals 113 of the hard-housing battery unit have a columnar structure, providing high strength and allowing them to directly contact each other, thus fulfilling both support and limiting roles. The electrode terminals 113 of the soft-pack battery unit can have a sheet-like structure, allowing opposing electrode terminals 113 to be stacked and directly connected, thereby reducing the occupied space.

[0121] In embodiments where the battery array 10 includes multiple individual battery units 11, the number of individual battery units 11 may be 2 to 4, thus avoiding the overall dimensions of the battery 1000 becoming excessively large due to too many individual battery units 11.

[0122] According to some embodiments of this application, as shown in Figures 10 to 12, the battery unit 11 is provided with a pressure relief section 114 and an electrical connection section 112. If the internal pressure of the battery unit 11 becomes excessive (for example, thermal runaway), the pressure relief section 114 is used to release substances (for example, gas, liquid, particulate matter, etc.) inside the battery unit 11, thereby reducing the internal pressure of the battery unit 11 and preventing dangerous accidents such as the battery unit 11 exploding due to rapid internal pressurization. The pressure relief section 114 may be, for example, an explosion-proof valve or an explosion-proof sheet.

[0123] Furthermore, the pressure relief section 114 and the electrical connection section 112 are located on different sides of the battery unit 11. This is advantageous for ensuring a large gap between the electrical connection section 112 and the pressure relief section 114 of the battery unit 11, and effectively prevents conductive particles and other substances in the discharged material released by the battery unit 11 through its own pressure relief section 114 during thermal runaway from flowing into its own electrical connection section 112, which could cause problems such as insulation failure, high-voltage ignition, and fire and explosion.

[0124] In some embodiments, as shown in Figures 10 to 12, the battery unit 11 has a first surface and a second surface facing each other along a second direction F2, and a circumferential surface connecting the first surface and the second surface.

[0125] As shown in Figure 12, the electrical connection part 112 is provided on the first surface, and the pressure relief part 114 is provided on the second surface. In other words, the pressure relief part 114 and the electrical connection part 112 are provided on opposite sides of the battery unit 11, respectively. This allows the distance between the electrical connection part 112 and the pressure relief part 114 to be increased, better ensuring that the electrical connection part 112 is not affected by discharges from the pressure relief part 114, that is, the probability of being affected is reduced, and the safety and reliability of the battery 1000 in use can be further improved.

[0126] As shown in Figures 10 and 11, the electrical connection portion 112 is provided at least one location on the first surface and the second surface, and the pressure relief portion 114 is provided on the circumferential surface. For example, the two electrode terminals 113 of the electrical connection portion 112 are provided on the same surface, or on the first surface and the second surface, respectively.

[0127] As a result, the electrical connection section 112 and the pressure relief section 114 are located adjacent to each other on the battery unit 11, and a certain safe distance can be maintained between the electrical connection section 112 and the pressure relief section 114. This reduces the impact of discharges from the pressure relief section 114 on the electrical connection section 112, thereby improving the safety and reliability of the battery 1000 during use.

[0128] In some specific embodiments, as shown in Figures 1, 6, and 10-11, the circumferential surfaces of two adjacent battery rows 10 face each other. Within the same battery row 10, the first and second surfaces of two adjacent individual battery units 11 face each other. The pressure relief section 114 is provided on a circumferential surface, such as one side of the third direction F3.

[0129] As a result, the pressure relief portion 114 of each individual battery 11 within the same battery row 10 does not eject toward any electrical connection portion 112 within the battery row 10, nor toward any electrical connection portion 112 in an adjacent battery row 10. Therefore, the electrical connection portion 112 of each individual battery 11 can be effectively protected from being affected by ejection from other individual battery 11s, thereby ensuring the safety and reliability of the battery 1000 in use.

[0130] The power consumption device 2000 according to the second embodiment of this application includes the battery 1000 according to the first embodiment of this application described above, and the battery 1000 is used to supply electrical energy to the power consumption device 2000. Thus, by adopting the battery 1000 described above, it is advantageous to improve the safety and reliability of the power consumption device 2000 in use.

[0131] Selectively, as shown in Figure 13, when the battery 1000 is used in a vehicle, the battery 1000 may be installed in the bottom, front, or rear of the vehicle. The battery 1000 can be used to power the vehicle, for example, as the operating power source for the vehicle. The vehicle may also include a controller and a motor, the controller controlling the battery 1000 to power the motor, and is used, for example, for the operating power demands of the vehicle during starting, navigation, and driving.

[0132] The following describes a battery 1000 and a vehicle having the same, according to one specific embodiment of this application, with reference to the attached drawings.

[0133] As shown in Figure 13, the battery 1000 is installed in the vehicle chassis. As shown in Figures 1 to 3, the battery 1000 includes a housing 40 and 32 battery rows 10 installed within the housing 40 and arranged along a first horizontal direction F1. Each battery row 10 includes two battery units 11 arranged along a second horizontal direction F2. Each battery unit 11 includes a housing 111 and positive and negative electrode terminals provided at one end of the housing 111 in the second horizontal direction F2, and the two battery units 11 of the same battery row 10 have electrode terminals 113 on opposite sides of each other. The dimensions of the housing 111 of each battery unit 11 are greater in the second direction F2 than in the third direction F3, the dimensions in the third direction F3 are greater than in the first direction F1, and the third direction F3 is the vertical direction. In other words, the longitudinal direction of the battery unit 11 is aligned with the second direction F2, the width direction is aligned with the vertical direction, and the thickness direction is aligned with the first direction F1.

[0134] The reinforcing structure 20 includes 16 first reinforcing structures 21, each of which is a flat plate structure. The 16 first reinforcing structures 21 are arranged along a first direction F1, and two battery rows 10 are provided between any two adjacent first reinforcing structures 21. Viscose layers 30 are provided on both sides of the first reinforcing structures 21, and by bonding the largest surface areas of the battery units 11 on both sides together to form an integrated structure, a laminated structure of battery unit 11-first reinforcing structure 21-battery unit 11 is formed, further strengthening the battery 1000.

[0135] Two adjacent battery rows 10 are electrically connected via an electrical connection 12. Both ends of each first reinforcing structure 21 in the second direction F2 extend beyond the edge of the electrical connection 12 at the corresponding end, providing support and preventing impact to the electrical connection 12, electrode terminals 113, and the housing 111 of the battery unit 11 during a side collision. The first reinforcing structure 21 may also be provided with a cavity, i.e., a bypass through hole, which is used to bypass the electrical connection 12 and facilitate the electrical connection 12 in achieving high-voltage connection of the battery units 11 on both sides.

[0136] Simultaneously, the battery 1000 includes a merging member 32 and a diversion member 31. The first reinforcing structure 21 has a passage for housing a heat exchange medium, and it is possible to connect the same end of multiple first reinforcing structures 21 to the diversion member 31, and connect the other end of multiple first reinforcing structures 21 to the merging member 32 to perform the roles of merging and diversion of the heat exchange medium, so that the heat exchange medium can exchange heat with the battery unit 11 via the multiple first reinforcing structures 21. The first reinforcing structure 21 corresponds to a design that integrates a heat exchange plate and a reinforcing plate.

[0137] Furthermore, a hollow chamber is provided within the passage of the first reinforcing structure 21, forming a buffer portion that can deform under pressure from the largest surface area of ​​each battery unit 11. By providing this buffer portion, the plane spacing between adjacent battery units 11 that maximizes their surface area can be adjusted, thus avoiding the problem of the gap becoming too large in the early stages and too small in the later stages.

[0138] By providing the reinforcing structure 20, the overall strength and stability of the battery 1000 can be increased after the battery unit 11 and the assembled battery 1000 are formed, preventing the battery unit 11 from being damaged by impact and avoiding safety hazards.

[0139] The examples and features described herein may be combined with each other without contradiction.

[0140] The foregoing are merely preferred embodiments of this application and do not limit it, and this application is subject to various modifications and changes for those skilled in the art. Any amendments, equivalent substitutions, improvements, etc., made in the spirit and principles of this application shall also be within the scope of protection of this application. [Explanation of Symbols]

[0141] Battery 1000; Power consumption device 2000; Battery array 10; individual battery 11; housing 111; electrical connection part 112; electrode terminals 113; pressure relief part 114; electrical connection member 12; Reinforcement structure 20; First reinforcement structure 21; Second reinforcement structure 22; Viscose layer 30; Dividing member 31; merging member 32; Enclosure 40; First direction F1; second direction F2; third direction F3.

Claims

1. It is a battery (1000), A plurality of battery rows (10) arranged along a first direction (F1), each of the battery rows (10) includes at least one battery unit (11) arranged along a second direction (F2) perpendicular to the first direction (F1), and each of the battery units (11) has a housing (111), the plurality of battery rows (10), A reinforcing structure (20) includes a first reinforcing structure (21) extending along the second direction (F2), wherein the first reinforcing structure (21) is stacked with a plurality of battery rows (10) along the first direction (F1), and the reinforcing structure (20) includes, In the second direction (F2), at least one end of the first reinforcing structure (21) extends beyond the end face of the housing (111) of the battery row (10) at the corresponding end. A battery (1000) wherein an electrical connection portion (112) is provided on the end face of at least one end of the battery array (10) in the second direction (F2), and the first reinforcing structure (21) extends beyond the electrical connection portion (112) at the corresponding end.

2. The battery (1000) according to claim 1, further comprising an electrical connection member (12) connected to the electrical connection portion (112), wherein the first reinforcing structure (21) extends beyond the corresponding end of the electrical connection member (12).

3. The battery (1000) according to claim 2, wherein the first reinforcing structure (21) is a reinforcing plate, the reinforcing plate is provided with avoidance through holes, and the electrical connection member (12) connects the electrical connection portions (112) of two adjacent battery rows (10) through the avoidance through holes.

4. The battery (1000) according to claim 1, wherein the excess dimension of the first reinforcing structure (21) in the second direction (F2) is 3 mm to 50 mm.

5. The battery (1000) according to claim 1, wherein the thickness of the first reinforcing structure (21) in the first direction (F1) is 1 mm to 8 mm.

6. The battery (1000) according to claim 1, wherein the battery array (10) includes a plurality of individual battery units (11), and each of the plurality of individual battery units (11) in the same battery array (10) is connected to an adjacent first reinforcing structure (21), and / or two adjacent individual battery units (11) in the same battery array (10) are bonded together via a viscose layer (30).

7. The battery (1000) according to claim 1, wherein at least one of the first reinforcing structures (21) is located between two adjacent battery rows (10), and both adjacent battery rows (10) are connected to an adjacent first reinforcing structure (21).

8. The battery (1000) according to claim 1, wherein the reinforcing structure (20) further includes a second reinforcing structure (22) connected to the first reinforcing structure (21), the second reinforcing structure (22) extends along the first direction (F1) and is stacked with the individual battery (11) of the same battery array (10) along the second direction (F2).

9. The battery (1000) according to claim 8, wherein the battery array (10) includes a plurality of individual battery units (11), and at least one of the second reinforcing structures (22) is provided between two adjacent individual battery units (11).

10. The battery (1000) according to claim 8, wherein the second reinforcing structures (22) are installed on both sides of the first reinforcing structure (21) in the first direction (F1).

11. The battery (1000) according to claim 8, wherein the first reinforcing structure (21) is a plurality of reinforcing structures arranged along the first direction (F1), and the second reinforcing structures (22) on two adjacent first reinforcing structures (21) are separated from each other or connected to each other.

12. In a third direction (F3), the dimensions of the reinforcing structure (20) are smaller than or equal to the distance between the end faces of the battery row (10), and both the first direction (F1) and the second direction (F2) are perpendicular to the third direction (F3), the battery (1000) according to claim 1.

13. The battery (1000) according to claim 1, wherein the reinforcing structure (20) has a passage for housing a heat exchange medium, and the reinforcing structure (20) is thermally conductively connected to an adjacent battery unit (11) to regulate the temperature of the battery unit (11).

14. The battery (1000) according to claim 13, wherein the first reinforcing structure (21) is one or a plurality of reinforcing structures arranged along the first direction (F1), the battery (1000) includes a flow divider (31) and a confluence member (32), the flow divider (31) and the confluence member (32) are respectively located on both sides of the battery row (10) in the second direction (F2), the inlet of the passage of each first reinforcing structure (21) communicates with the flow divider (31), and the outlet of the passage communicates with the confluence member (32).

15. The battery (1000) according to claim 1, wherein the reinforcing structure (20) has a cushioning portion suitable for deformation of the battery unit (11) due to pressure.

16. The buffer portion includes a buffer material layer and / or, The battery (1000) according to claim 15, wherein the buffer portion includes a hollow chamber provided in the reinforcing structure (20).

17. The battery (1000) according to claim 1, wherein the side surface of the battery unit (11) adjacent to the first reinforcing structure (21) along the first direction (F1) is the surface with the largest area.

18. The battery (1000) according to claim 1, wherein both sides of the battery unit (11) that face each other along the first direction (F1) are surfaces with the maximum surface area.

19. The battery (1000) according to claim 1, wherein the dimensions of the battery unit (11) in the second direction (F2) are larger than the dimensions in the first direction (F1).

20. Each of the battery arrays (10) includes two individual battery units (11), and the electrical connection portion (112) of each individual battery unit (11) includes two electrode terminals (113) provided on the same side. The battery (1000) according to claim 1, wherein the electrical connection portions (112) of the two battery units (11) are provided on opposite sides of each other, or the electrical connection portions (112) of the two battery units (11) are provided on opposite sides of each other and connected to each other.

21. The battery (1000) according to claim 1, wherein each of the battery arrays (10) includes a plurality of individual battery units (11), and the electrical connection portion (112) of each individual battery unit (11) includes two electrode terminals (113) provided on both sides, and the opposing electrode terminals (113) of two adjacent individual battery units (11) are electrically connected to each other.

22. The battery (1000) according to claim 1, wherein the battery unit (11) is provided with a pressure relief section (114) and an electrical connection section (112), and the pressure relief section (114) and the electrical connection section (112) are provided on different sides of the battery unit (11).

23. A power consumption device (2000) comprising a battery (1000) according to any one of claims 1 to 22, wherein the battery (1000) is used to supply electrical energy to the power consumption device (2000).

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