Battery box body and battery

Abstract

The utility model discloses a battery box body and a battery. The battery box body comprises a box body, an adjusting assembly and a pressure detection piece; the box body is hollow; the adjusting assembly comprises an adjusting piece and a limiting plate, and the limiting plate is arranged in the box body; an accommodating space for placing a battery cell is defined between the limiting plate and the inner wall of the box body; the adjusting part is connected with the limiting plate and can drive the limiting plate to move towards or away from the battery cell in the accommodating space; the pressure detection piece is arranged on one side of the limiting plate and located in the containing space. And the pressure detection piece is used for abutting against the battery cell and detecting the pressure between the limiting plate and the battery cell. The size of the pressure between the limiting plate and the battery cell in the accommodating space can be detected through the pressure detection part, and the limiting plate is driven by the adjusting part to move towards the direction far away from the battery cell in the accommodating space, so that the battery cell can be prevented from being damaged due to excessive stress, and the possibility of explosion caused by expansion of the battery can be reduced.

Description

Technical Field

[0001] The utility model relates to the field of batteries, in particular to a battery box and a battery. Background Art

[0002] With the rapid development of new energy electric vehicles, people have put forward higher requirements for the performance of new energy vehicles. Lithium-ion batteries, the core energy storage components of new energy vehicles, are one of the energy storage devices with high energy density and the ability to output energy continuously and stably.

[0003] A module-free battery pack is a more commonly used battery solution, that is, after the battery cells are assembled into modules, the battery module is placed in the box of the module-free battery pack. Since the length of the battery module is smaller than the length of the cavity in the box, a robot can be used to clamp the battery module and press the battery module into the box. However, during the use of the module-free battery pack, since the size of the cavity space in the box is fixed, the battery cell is prone to expansion after the charge and discharge cycle, causing the battery cell to be squeezed against the inner wall of the cavity of the box, resulting in a greater pressure on the battery cell in the cavity of the box, affecting the service life of the battery cell and failing to ensure the safety of the battery operation. Utility Model Content

[0004] To this end, the utility model provides a battery box and a battery, which solves the technical problem that the battery core is prone to expansion after charge and discharge cycles, resulting in a large pressure on the battery core in the cavity of the box body.

[0005] To achieve the above-mentioned objectives, the utility model specifically provides the following technical solutions: a box body; an adjustment component, comprising an adjustment member and a limit plate, wherein the limit plate is arranged in the box body; a storage space for placing battery cells is defined between the limit plate and the inner wall of the box body; the adjustment member is connected to the limit plate, and can drive the limit plate to move toward or away from the battery cells in the storage space; and a pressure detection member, which is arranged on one side of the limit plate and is located in the storage space; the pressure detection member is used to abut against the battery cells and detect the pressure between the limit plate and the battery cells.

[0006] Optionally, a slide groove is provided on the bottom wall of the box body, and a first slider is provided at the lower end of the limit plate, and the first slider is slidably provided in the slide groove; the length direction of the slide groove is set in the same direction as the direction in which the adjusting member can drive the limit plate to move.

[0007] Optionally, the adjusting member includes an adjusting structure and an abutting portion; the adjusting structure is connected to the abutting portion and can drive the abutting portion to move, and the abutting portion is connected to the limiting plate; a second slider is provided at one end of the abutting portion, and the second slider can be slidably provided in the sliding groove.

[0008] Optionally, the adjustment structure includes a fixed seat and a screw, the fixed seat is connected to the box body; a connecting structure is provided at one end of the abutment portion, a threaded hole is provided on the connecting structure, and the screw is rotatably passed through the fixed seat and extends to the abutment portion to be threadedly connected to the threaded hole.

[0009] Optionally, a notch is provided on the inner wall of the box body, the notch is communicated with the slide groove, and the first sliding block and the second sliding block can be movably inserted into the notch.

[0010] Optionally, an abutment structure is provided at one end of the abutment portion, the abutment structure is provided on a side of the connection structure close to the limiting plate, and the abutment structure is used to abut against the limiting plate.

[0011] Optionally, a groove is provided on the end surface of the limiting plate facing the accommodating space, and the pressure detecting member is arranged in the groove and protrudes from the end surface of the limiting plate to abut against the battery cell installed in the accommodating space.

[0012] Optionally, the box body includes a side plate and a bottom plate, the bottom plate is used to support the battery cell; the limiting plate is movably arranged at the top end of the bottom plate, and multiple side plates are provided and are all connected to the bottom plate, and the multiple side plates are connected end to end and are arranged around the limiting plate.

[0013] Optionally, the box body also includes a cross beam, and a plurality of the cross beams are arranged on the bottom plate along the thickness direction of the battery cell to form a plurality of the accommodating spaces. A positioning hole is provided on the limit plate, and the cross beam portion is located in the positioning hole to be connected to the limit plate.

[0014] In addition, a battery is provided, comprising the above-mentioned battery case and the battery cell accommodated in the battery case.

[0015] Compared with the prior art, the utility model has the following beneficial effects: an accommodating space is defined between the limit plate and the inner wall of the accommodating cavity, and the battery cell can be placed in the accommodating space. The adjusting member drives the limit plate to move in the direction of the battery cell close to the accommodating space, so as to control the position of the limit plate so that the limit plate abuts against the battery cell in the accommodating space, and can continue to push the battery cell until the inner wall of the accommodating cavity opposite to the limit plate and the limit plate abut against the two side ends of the battery cell respectively, so that the inner wall of the accommodating cavity and the limit plate can clamp the battery cell together, thereby limiting the position of the battery cell in the box body and playing the role of clamping the battery to fix the position of the battery in the accommodating space; and a pressure detection member is provided on one side of the limit plate, the pressure detection member is located in the accommodating space, and the adjusting member drives the limit plate to move in the direction of the battery cell close to the accommodating space. The adjusting member can be controlled according to the pressure between the limit plate and the battery cells in the accommodating space, thereby reducing the possibility of excessive force on the battery cells. When the battery cells expand, the pressure between the limit plate and the battery cells in the accommodating space can be detected by the pressure detecting member, so that according to the pressure between the limit plate and the battery cells in the accommodating space, the limit plate can be driven by the adjusting member to move in the direction away from the battery cells in the accommodating space, thereby preventing the battery cells from being damaged due to excessive force, thereby reducing the possibility of explosion of the battery due to expansion and improving the safety of the battery cells. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 A schematic diagram of the structure of a battery box provided by an embodiment of the utility model;

[0018] Figure 2 A cross-sectional view of a battery box provided by an embodiment of the utility model;

[0019] Figure 3 for Figure 2 A schematic diagram of the structure of part A of the battery box;

[0020] Figure 4 A schematic diagram of the structure of a bottom plate of a battery box provided by an embodiment of the utility model;

[0021] Figure 5 A schematic diagram of the structure of a limiting plate of a battery box provided in an embodiment of the utility model;

[0022] Figure 6 A schematic structural diagram of an abutment portion of a battery box provided in an embodiment of the utility model.

[0023] Reference numerals:

[0024] Battery cell 10; box body 100; slide groove 101; notch 102; side plate 110; bottom plate 120; crossbeam 130; adjustment component 200; accommodating space 201; fixing seat 212; screw 213; abutment portion 214; second slider 215; connecting structure 216; abutment structure 218; limit plate 220; first slider 221; groove 222; positioning port 223; pressure detection component 300. DETAILED DESCRIPTION

[0025] In order to make the utility model's purpose, features, and advantages more obvious and easy to understand, the following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the embodiments described below are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0027] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] Reference below Figures 1 to 6 A battery box and a battery according to an embodiment of the utility model are described.

[0029] According to the battery case of the embodiment of the first aspect of the utility model, the battery case includes a case body 100, an adjustment assembly 200 and a pressure detection component 300; the case body 100 is hollow; the adjustment assembly 200 includes an adjustment component and a limit plate 220, and the limit plate 220 is arranged in the case body 100; a storage space 201 for placing the battery cell 10 is defined between the limit plate 220 and the inner wall of the case body 100; the adjustment component is connected to the limit plate 220, and can drive the limit plate 220 to move toward or away from the battery cell 10 in the storage space 201; the pressure detection component 300 is arranged on one side of the limit plate 220 and is located in the storage space 201; the pressure detection component 300 is used to abut against the battery cell 10 and detect the pressure between the limit plate 220 and the battery cell 10.

[0030] An accommodating space 201 is defined between the limiting plate 220 and the inner wall of the accommodating cavity, and the battery cell 10 can be placed in the accommodating space 201. The adjusting member drives the limiting plate 220 to move toward the direction of the battery cell 10 in the accommodating space 201, so as to control the position of the limiting plate 220, so that the limiting plate 220 abuts against the battery cell 10 in the accommodating space 201, and the battery cell 10 can be continuously pushed until the inner wall of the accommodating cavity opposite to the limiting plate 220 and the limiting plate 220 are respectively The two side ends of the battery cell 10 are abutted so that the inner wall of the accommodating cavity and the limiting plate 220 can clamp the battery cell 10 together, thereby limiting the position of the battery cell 10 in the box body 100, playing the role of clamping the battery to fix the position of the battery in the accommodating space 201; and a pressure detection member 300 is provided on one side of the limiting plate 220, and the pressure detection member 300 is located in the accommodating space 201, and the adjustment member drives the limiting plate 220 toward the direction of the battery cell 10 in the accommodating space 201 The pressure detecting member 300 on the limit plate 220 can be moved until the limit plate 220 abuts against the battery cell 10, and the pressure detecting member 300 can detect the pressure between the limit plate 220 and the battery cell 10 in the accommodating space 201. The adjusting member can be controlled according to the pressure between the limit plate 220 and the battery cell 10 in the accommodating space 201, so as to reduce the possibility of excessive force for clamping the battery cell 10. When the battery cell 10 expands, the pressure detecting member 300 can detect the pressure between the limit plate 220 and the battery cell 10 in the accommodating space 201, so as to drive the limit plate 220 to move away from the battery cell 10 in the accommodating space 201 according to the pressure between the limit plate 220 and the battery cell 10 in the accommodating space 201, so as to avoid the battery cell 10 from being damaged due to excessive force, thereby reducing the possibility of explosion of the battery due to expansion and improving the safety of the battery cell 10.

[0031] Reference Figures 2 to 4It can be understood that a slide groove 101 is provided on the bottom wall of the box body 100, and a first slider 221 is provided at the lower end of the limiting plate 220, and the first slider 221 is slidably provided in the slide groove 101; the length direction of the slide groove 101 is set in the same direction as the direction in which the adjusting member can drive the limiting plate 220 to move.

[0032] The adjusting member can drive the limit plate 220 to move, so as to drive the first slider 221 to move, so that the first slider 221 can move in the slide groove 101, and the direction of movement of the first slider 221 can be limited by setting the slide groove 101, thereby limiting the direction of movement of the limit plate 220, and the stability of movement of the limit plate 220 can be improved by setting the slider and the slide groove 101; wherein, the first slider 221 can move in the slide groove 101 along the length direction of the slide groove 101, and the length direction of the slide groove 101 is set in the same direction as the direction in which the adjusting member drives the limit plate 220 to move, so that the adjusting member can conveniently drive the limit plate 220 to move.

[0033] Specifically, a plurality of first sliding blocks 221 may be provided, and a plurality of sliding grooves 101 may be provided correspondingly. The plurality of first sliding blocks 221 may be slidably disposed in the plurality of sliding grooves 101 , respectively, so as to improve the stability of the movement of the limiting plate 220 .

[0034] Reference Figure 3 and Figure 6 It can be understood that the adjusting member includes an adjusting structure and abutment 214; the adjusting structure is connected to the abutment 214 and can drive the abutment 214 to move, and the abutment 214 is connected to the limiting plate 220; a second slider 215 is provided at one end of the abutment 214, and the second slider 215 can be slidably disposed in the slide groove 101.

[0035] The adjusting member drives the abutting portion 214 to move, so as to drive the abutting portion 214 to move; the second slider 215 can move in the slide groove 101 to limit the moving direction of the abutting portion 214, thereby improving the stability of the adjusting structure by driving the abutting portion 214 to move.

[0036] Specifically, the abutment portion 214 is arranged on a side of the limiting plate 220 away from the accommodating space 201, and the abutment portion 214 is used to abut against the limiting plate 220. The adjusting structure drives the abutment portion 214 to move so as to control the position of the abutment portion 214, so that the abutment portion 214 can move to abut against the limiting plate 220, so as to limit the position of the limiting plate 220 by the abutment portion 214.

[0037] Reference Figure 3It can be understood that the adjustment structure includes a fixed seat 212 and a screw 213, the fixed seat 212 is connected to the box body 100; a connecting structure 216 is provided at one end of the abutment portion 214, and a threaded hole is provided on the connecting structure 216. The screw 213 is rotatably passed through the fixed seat 212 and extends to the abutment portion 214 to be threadedly connected to the threaded hole.

[0038] The fixing seat 212 is fixedly installed on the box body 100, and the lead screw 213 can rotate on the fixing seat. One end of the lead screw 213 extends to the abutment portion 214 and passes through a threaded hole on the connecting structure 216. The lead screw 213 can rotate to move the connecting structure 216, so as to move the abutment portion 214, thereby limiting the position of the abutment portion 214. By setting the lead screw 213 and the threaded hole, the difficulty of controlling the movement of the abutment portion 214 can be reduced, and the stability of limiting the position of the limit plate 220 can be improved.

[0039] Specifically, the connection structure 216 may be a circular ring structure, the connection structure 216 is disposed at the upper end of the abutting portion 214 , and the threaded hole is disposed at the center of the connection structure 216 .

[0040] Reference Figures 2 to 4 It can be understood that a notch 102 is provided on the inner wall of the box body 100 , the notch 102 is connected to the slide groove 101 , and the first slider 221 and the second slider 215 can be movably inserted into the notch 102 .

[0041] The first slider 221 and the second slider 215 can both pass through the notch 102 and enter the slide groove 101. By setting the notch 102, the first slider 221 and the second slider 215 can be easily slid into the slide groove 101, so as to facilitate the installation and removal of the first slider 221 and the second slider 215 from the slide groove 101.

[0042] Specifically, the cross-section of the slide groove 101 is an inverted trapezoid, and correspondingly, the cross-sections of the first slider 221 and the second slider 215 are both inverted trapezoids, so that the first slider 221 and the second slider 215 can both be stuck in the slide groove 101, reducing the possibility of the first slider 221 and the second slider 215 accidentally sliding out of the slide groove 101.

[0043] Reference Figure 3 and Figure 6 It can be understood that an abutment structure 218 is provided at one end of the abutment portion 214 . The abutment structure 218 is provided on a side of the connection structure 216 close to the limiting plate 220 . The abutment structure 218 is used to abut against the limiting plate 220 .

[0044] The adjusting structure drives the abutment portion 214 to move toward the direction close to the limiting plate 220, and the abutment portion 214 abuts against the limiting plate 220 through the abutment structure 218, so as to avoid the adjusting structure and the connecting structure 216 from colliding with the limiting plate 220; specifically, the adjusting structure is arranged on the side of the connecting structure 216 away from the limiting plate 220, and the abutment structure 218 is arranged on the side of the connecting structure 216 close to the limiting plate 220, so that the adjusting structure drives the abutment portion 214 to approach the limiting plate 220, so that the abutment structure 218 of the abutment portion 214 can abut against the limiting plate 220 first.

[0045] Specifically, the abutting structure 218 may be a circular ring structure, and the abutting structure 218 is disposed at the upper end of the abutting portion 214 .

[0046] It is understandable that a groove 222 is provided on the end surface of the limiting plate 220 facing the accommodating space 201 , and the pressure detecting member 300 is disposed in the groove 222 and protrudes from the end surface of the limiting plate 220 to abut against the battery cell 10 installed in the accommodating space 201 .

[0047] By setting the groove 222, the position of the pressure detection component 300 can be limited, thereby reducing the possibility of the pressure detection component 300 being shifted on one side of the limiting plate 220; wherein, the end of the pressure detection component 300 located in the groove 222 close to the accommodating space 201 protrudes from the end surface of the limiting plate 220, so that the pressure detection component 300 can abut against the battery cell 10 installed in the accommodating space 201, so as to detect the pressure exerted on the battery cell 10 through the pressure detection component 300.

[0048] Specifically, the detection end surface of the pressure detection member 300 can be arranged flush with the end surface of the limiting plate 220 provided with the groove 222, so as to improve the stability of the detection.

[0049] Reference Figure 1 and Figure 2 It can be understood that the box body 100 includes a side plate 110 and a bottom plate 120, the bottom plate 120 is used to carry the battery cell 10; the limiting plate 220 is movably arranged on the top of the bottom plate 120, and a plurality of side plates 110 are provided and are all connected to the bottom plate 120, and the plurality of side plates 110 are connected end to end and are arranged around the limiting plate 220.

[0050] The battery cell 10 can be placed on the bottom plate 120, and the bottom plate 120 can support the battery cell 10. The multiple side plates 110 are all connected to the bottom plate 120, wherein the multiple side plates 110 are connected to the side end surfaces of the bottom plate 120 so that the bottom plate 120 can support more battery cells 10. The limiting plate 220 is movably arranged on the top of the bottom plate 120, and the multiple side plates 110 are arranged around the limiting plate 220, so that the limiting plate 220 and the bottom plate 120 and part of the multiple side plates 110 define a receiving space 201, and the adjusting member drives the limiting plate 220 to move toward the battery cell 10 near the receiving space 201, so that the limiting plate 220 and the side plate 110 can respectively abut against the two ends of the battery cell 10, thereby clamping the battery cell 10.

[0051] Specifically, the fixing seat 212 of the adjustment structure is fixedly installed on one of the side plates 110 , and the sliding groove 101 and the notch 102 are both arranged on the bottom plate 120 .

[0052] Reference Figure 1 , Figure 2 and Figure 5 It can be understood that the box body 100 also includes a beam 130, and multiple beams 130 are arranged on the bottom plate 120 along the thickness direction of the battery cell 10 to form multiple accommodating spaces 201. A positioning hole 223 is provided on the limiting plate 220, and a portion of the beam 130 is located in the positioning hole 223 to be connected to the limiting plate.

[0053] By setting up the cross beam 130, the space inside the box body 100 can be divided. Multiple cross beams 130 can be set on the bottom plate 120 along the thickness direction of the battery cell 10 to form multiple accommodating spaces 201. When multiple battery cells 10 are placed in the multiple accommodating spaces 201 respectively, it is possible to avoid the battery cells 10 in adjacent accommodating spaces 201 from colliding with each other, thereby reducing the damage to the battery cells 10 caused by the collision; wherein, the multiple cross beams 130 are arranged at intervals to adapt to usage requirements.

[0054] By setting a positioning hole 223 on the limit plate 220, the limit plate 220 can avoid the setting of the cross beam 130, thereby avoiding the limit plate 220 from colliding with the cross beam 130, wherein the length direction of the cross beam 130 is set in the same direction as the direction in which the adjustment member can drive the limit plate 220 to move, so as to avoid the limit plate 220 from colliding with the cross beam 130, and by setting the positioning hole 223 and the cross beam 130, the position of the limit plate 220 can be reduced, thereby reducing the possibility of the limit plate 220 rotating in the box body 100.

[0055] refer to Figures 1 to 6 According to the battery of the second aspect of the present invention, the battery includes the battery case of the first aspect and the battery cell accommodated in the battery case.

[0056] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A battery box, characterized in that: include: Box body(100); An adjustment component (200) comprises an adjustment member and a limiting plate (220), wherein the limiting plate (220) is arranged in the box body (100); a receiving space (201) for placing a battery cell (10) is defined between the limiting plate (220) and the inner wall of the box body (100); the adjustment member is connected to the limiting plate (220) and is capable of driving the limiting plate (220) to move in a direction close to or away from the battery cell (10) in the receiving space (201); and, A pressure detection component (300) is arranged on one side of the limiting plate (220) and is located in the accommodating space (201); the pressure detection component (300) is used to abut against the battery cell (10) and detect the pressure between the limiting plate (220) and the battery cell (10).

2. The battery box according to claim 1, characterized in that: A slide groove (101) is arranged on the bottom wall of the box body (100), and a first slider (221) is arranged at the lower end of the limit plate (220), and the first slider (221) is slidably arranged in the slide groove (101); the length direction of the slide groove (101) is arranged in the same direction as the direction in which the adjusting member can drive the limit plate (220) to move.

3. The battery box according to claim 2, characterized in that: The adjusting member comprises an adjusting structure and an abutting portion (214); the adjusting structure is connected to the abutting portion (214) and is capable of driving the abutting portion (214) to move, and the abutting portion (214) is connected to the limiting plate (220); a second sliding block (215) is provided at one end of the abutting portion (214), and the second sliding block (215) is slidably provided in the sliding groove (101).

4. The battery box according to claim 3, characterized in that: The adjustment structure comprises a fixed seat (212) and a lead screw (213), wherein the fixed seat (212) is connected to the box body (100); a connection structure (216) is provided at one end of the abutment portion (214), and a threaded hole is provided on the connection structure (216); the lead screw (213) is rotatably passed through the fixed seat (212) and extends to the abutment portion (214) to be threadedly connected to the threaded hole.

5. The battery case according to claim 3, characterized in that: A notch (102) is provided on the inner wall of the box body (100), the notch (102) is connected to the slide groove (101), and the first slider (221) and the second slider (215) can both be movably inserted into the notch (102).

6. The battery box according to claim 4, characterized in that: An abutment structure (218) is provided at one end of the abutment portion (214); the abutment structure (218) is provided on a side of the connection structure (216) close to the limiting plate (220); and the abutment structure (218) is used to abut against the limiting plate (220).

7. The battery box according to claim 1, characterized in that: A groove (222) is provided on the end surface of the limiting plate (220) facing the accommodating space (201), and the pressure detection component (300) is arranged in the groove (222) and protrudes from the end surface of the limiting plate (220) to abut against the battery cell (10) installed in the accommodating space (201).

8. The battery box according to claim 1, characterized in that: The box body (100) comprises a side plate (110) and a bottom plate (120), wherein the bottom plate (120) is used to carry the battery cell (10); the limiting plate (220) is movably arranged at the top end of the bottom plate (120), a plurality of the side plates (110) are arranged and are all connected to the bottom plate (120), and the plurality of side plates (110) are connected end to end and are arranged around the limiting plate (220).

9. The battery case according to claim 8, characterized in that: The box body (100) further comprises a crossbeam (130), a plurality of the crossbeams (130) being arranged on the bottom plate (120) along the thickness direction of the battery cell (10) to form a plurality of the accommodating spaces (201), a positioning opening (223) being arranged on the limiting plate (220), and a portion of the crossbeam (130) being located in the positioning opening (223) to be connected to the limiting plate.

10. A battery, characterized in that include: The battery case according to any one of claims 1 to 9 and the battery cell accommodated in the battery case.

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