Battery module and vehicle

Abstract

The utility model discloses a battery module and a vehicle, the battery module comprises at least one battery cell stack and a separator, each battery cell stack comprises a plurality of battery cells stacked along a first direction; the separators are arranged between the adjacent battery cells, the separators are insulating parts so that the adjacent battery cells are arranged at intervals in an insulating manner, and each separator comprises an elastic part. Therefore, by arranging the elastic part between the adjacent battery cells, the elastic part can provide a certain expansion space for the battery cells, so that the battery cells are prevented from being extruded and damaged during aging expansion or heating expansion, and the elastic part can apply a certain pre-tightening force to the battery cells, so that the stability of the battery cell stack is improved, and the overall performance of the battery module is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a battery module and a vehicle with the battery module. Background Art

[0002] In the related art, multiple cells in a high-density battery are arranged in a certain direction. In order to avoid collision between cells, a partition is required between two adjacent cells to separate them. However, the partition will occupy the space in the battery, resulting in a lack of expansion space for the cells. When the battery expands due to aging or heat, the battery is easily squeezed and damaged, which in turn causes danger. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a battery module, wherein the elastic part can provide a certain expansion space for the battery cell, thereby preventing the battery cell from being squeezed and damaged when it expands due to aging or heat, and the elastic part can apply a certain pre-tightening force to the battery cell to improve the stability of the battery cell stack.

[0004] According to the battery module of the embodiment of the utility model, it includes: at least one battery cell stack, each of the battery cell stack includes a plurality of battery cells stacked along a first direction; an isolating member, the isolating member is arranged between adjacent battery cells, the isolating member is an insulating member so that adjacent battery cells are arranged with insulated intervals, and the isolating member includes an elastic part.

[0005] According to the battery module of the embodiment of the utility model, an elastic part is provided between adjacent battery cells, so that the elastic part can provide a certain expansion space for the battery cells, thereby preventing the battery cells from being squeezed and damaged when they expand due to aging or heat expansion, and the elastic part can apply a certain pre-tightening force to the battery cells to improve the stability of the battery cell stack and improve the overall performance of the battery module.

[0006] According to the battery module of some embodiments of the present invention, the isolation member further includes a supporting portion, and the supporting portion is clamped between adjacent battery cells to maintain a spacing gap between adjacent battery cells.

[0007] According to the battery module of some embodiments of the present invention, the elastic part and the supporting part are connected as one body.

[0008] According to the battery module of some embodiments of the present invention, the support portion is arranged around the elastic portion.

[0009] According to the battery modules of some embodiments of the present invention, each of the battery cells includes first side walls relatively arranged along the first direction, the area of ​​the first side walls is larger than the area of ​​the remaining side walls of the battery cell, and the isolation member is located between the first side walls of adjacent battery cells.

[0010] According to the battery module of some embodiments of the present invention, the first direction is an up-down direction, and the supporting portion is used to support the battery cell located above it.

[0011] According to the battery module of some embodiments of the present invention, the supporting portion and the elastic portion are separate parts.

[0012] According to the battery modules of some embodiments of the present invention, the multiple support parts of the same battery cell stack are connected by a connecting piece.

[0013] According to some embodiments of the present invention, the battery module further includes: a heat exchange component, which is arranged on one side of the battery cell stack and exchanges heat with the plurality of battery cells.

[0014] According to the battery module of some embodiments of the present invention, a thermally conductive adhesive layer is provided between the heat exchange component and the battery core.

[0015] According to the battery modules of some embodiments of the present invention, the isolating member also includes a supporting portion arranged between adjacent battery cells, the heat exchange member includes a heat exchange plate located between adjacent battery cells, and at least one of the supporting portion and the heat exchange plate is provided between any two adjacent battery cells of the same battery cell stack.

[0016] According to the battery module of some embodiments of the present invention, the heat exchange plate is provided on at least one side of the battery core along the first direction.

[0017] According to the battery module of some embodiments of the present invention, there are multiple battery cell stacks, and the multiple battery cell stacks are arranged along the second direction, the first direction and the second direction are arranged perpendicularly, and the heat exchange component is correspondingly provided on at least one side of each battery cell stack along the second direction.

[0018] According to the battery modules of some embodiments of the present invention, the heat exchange member includes a first connecting member for connecting the plurality of heat exchange plates, the plurality of support parts corresponding to each battery cell stack are connected by a second connecting member to define a support member, and the heat exchange member and the support member corresponding to each battery cell stack are arranged along the second direction.

[0019] According to some embodiments of the present invention, the battery module further includes: a heating element, wherein the heating element is arranged on the heat exchange element to heat the battery cell stack.

[0020] According to the battery module of some embodiments of the utility model, the first pole and the second pole are respectively provided at both ends of the battery cell along the third direction, the first pole of the battery cell is electrically connected to the first pole of the adjacent battery cell through the first bus bar, and the second pole of the battery cell is electrically connected to the second pole of the adjacent battery cell through the second bus bar, and the third direction is perpendicular to the first direction.

[0021] According to the battery module of some embodiments of the present invention, a first sampling point and a second sampling point are respectively provided at both ends of the battery cell along the third direction, the first sampling point and the second sampling point are electrically connected through a conductive member, and the second sampling point is electrically connected to the corresponding second pole; the battery module also includes a battery management unit, and the battery management unit is used to collect the voltage difference between the first sampling point and the first pole.

[0022] According to the battery module of some embodiments of the present invention, the battery management unit includes a first sampling pin and a second sampling pin, the first sampling pin is electrically connected to the first sampling point, and the second sampling pin is electrically connected to the first busbar.

[0023] According to some embodiments of the utility model, the battery module also includes a shell, the battery cell stack is multiple and is arranged in the shell, the multiple battery cell stacks are arranged along the second direction, and the first direction and the second direction are arranged perpendicularly; the shell includes a limiting beam and a limiting cover plate, the limiting cover plate is limitedly supported on the top of at least a part of the battery cell stack, and the limiting beam is connected to both sides of the limiting cover plate along the second direction and is used to cooperate with at least a part of the battery cell stack.

[0024] According to the battery module of some embodiments of the utility model, at least two of the battery cell stacks are divided into a first part and a second part arranged in sequence along the second direction, and the height of the first part along the first direction is smaller than the height of the second part along the first direction; the limiting beam includes a first limiting beam, a second limiting beam, a third limiting beam and a fourth limiting beam, and the limiting cover plate includes a first limiting cover plate and a second limiting cover plate, the first limiting cover plate is limitedly supported on the top of the first part, the first limiting beam and the second limiting beam are respectively connected to the two sides of the first limiting cover plate along the second direction and are respectively limitedly matched with the first part; the second limiting cover plate is limitedly supported on the top of the second part, the third limiting beam is connected between the first limiting cover plate and the second limiting cover plate, one side of the second part is suitable for limitedly matching with the second limiting beam and the third limiting beam, and the other side is limitedly matched with the fourth limiting beam.

[0025] The utility model also provides a vehicle.

[0026] A vehicle according to an embodiment of the utility model comprises a battery module according to any of the above embodiments.

[0027] The advantages of the vehicle and the battery module compared to the prior art are the same and will not be elaborated here.

[0028] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0030] Figure 1 is an exploded view of a battery module according to an embodiment of the utility model;

[0031] Figure 2 is a cross-sectional view of a battery module according to an embodiment of the utility model;

[0032] Figure 3 yes Figure 1 A schematic diagram of the isolator shown;

[0033] Figure 4 is a schematic diagram of a battery cell according to an embodiment of the utility model;

[0034] Figure 5 is a schematic diagram of a support member according to an embodiment of the utility model;

[0035] Figure 6 This is an exploded view of a heat exchanger and a battery cell stack according to an embodiment of the utility model;

[0036] Figure 7 is an exploded view of a heat exchanger and a battery cell stack according to another embodiment of the utility model;

[0037] Figure 8 This is an exploded view of a heat exchanger and a battery cell stack according to another embodiment of the utility model;

[0038] Fig. 9 is a schematic diagram of a heat exchange element according to an embodiment of the utility model;

[0039] Fig.10 is an exploded view of a portion of a battery module according to an embodiment of the utility model;

[0040] Fig.11 It is an exploded view of a battery cell stack and a battery management unit according to an embodiment of the utility model;

[0041] Fig.12It is a schematic diagram of the installation of a battery cell stack and a battery management unit according to an embodiment of the utility model;

[0042] Fig.13 It is an exploded view of a battery cell stack and a transmission member according to an embodiment of the utility model;

[0043] Fig.14 It is a schematic diagram of the installation of the battery cell stack and the transmission member according to an embodiment of the utility model;

[0044] Fig.15 is a cross-sectional view of a battery module according to another embodiment of the utility model;

[0045] Fig.16 yes Fig.15 A partial cross-sectional view of the battery module shown;

[0046] Fig.17 Schematic diagram of a vehicle according to an embodiment of the present utility model.

[0047] Reference numerals:

[0048] Battery module 100, vehicle 200,

[0049] The first direction F1, the second direction F2, the third direction F3,

[0050] Battery cell stack 1, first part 110, second part 120, battery cell 11, housing 111, first side wall 111a, first pole 112, second pole 113, first sampling point 114, second sampling point 115, first busbar 12, second busbar 13,

[0051] Isolation member 2, elastic portion 21, support portion 22, support member 3, second connecting member 31,

[0052] Heat exchange element 4, heat exchange plate 41, first connecting member 42,

[0053] Battery management unit 5, first sampling foot 51, second sampling foot 52, observation hole 53,

[0054] Shell 6, limit beam 61, first limit beam 611, second limit beam 612, third limit beam 613, fourth limit beam 614, limit cover plate 62, first limit cover plate 621, second limit cover plate 622,

[0055] Thermally conductive adhesive layer 71 , heating element 72 , heat insulating plate 73 , first electrical connector 74 , second electrical connector 75 , transmission element 76 , insulating cover 77 , structural adhesive layer 78 , flow guide tube 79 , tray 81 , cover 82 , battery disconnect unit 9 . DETAILED DESCRIPTION

[0056] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0057] Hereinafter, a battery module 100 according to an embodiment of the present invention will be described with reference to the accompanying drawings.

[0058] like Figure 1-Figure 17 As shown, the battery module 100 according to an embodiment of the utility model includes: at least one battery cell stack 1 and an isolating member 2, each battery cell stack 1 includes a plurality of battery cells 11 stacked along a first direction F1; an isolating member 2 is provided between adjacent battery cells 11, the isolating member 2 is an insulating member so that adjacent battery cells 11 are insulated and spaced apart, and the isolating member 2 includes an elastic portion 21.

[0059] Therefore, the elastic part 21 can provide a certain expansion space for the battery cell 11, so as to prevent the battery cell 11 from being squeezed and damaged when it expands due to aging or heat, and the elastic part 21 can apply a certain pre-tightening force to the battery cell 11 to improve the stability of the battery cell stack 1.

[0060] First, refer to Figure 1-Figure 3 As shown, the battery module 100 includes at least one battery cell stack 1 and a separator 2. The battery cell stack 1 includes a plurality of battery cells 11, and the plurality of battery cells 11 are stacked along a first direction F1. A separator 2 is provided between two adjacent battery cells 11. The separator 2 is in sheet form. The separator 2 is matched with the side wall of the battery cell 11 along the first direction F1 and is an insulating member. The separator 2 can insulate and separate two adjacent battery cells 11 to avoid electrical connection between adjacent battery cells 11 and cause a short circuit. The separator 2 can also achieve heat insulation to delay the heat diffusion between adjacent battery cells 11 and improve the safety of the battery cell stack 1.

[0061] Among them, the spacer 2 may include an elastic part 21, and the elastic part 21 is arranged corresponding to the area with a larger expansion thickness of the battery cell 11. The material of the elastic part 21 may be a silicone rubber foam layer, a polyurethane foam layer, aerogel or other compressible elastic insulating materials with certain heat insulation properties. In this way, when the battery cell 11 expands due to heat or aging, the elastic part 21 can provide a certain expansion space for the battery cell 11 to prevent the battery cell stack 1 from being damaged. This is conducive to improving the reliability of the battery cell stack 1.

[0062] In addition, the thickness of the elastic part 21 can be set to be greater than the gap between two adjacent battery cells 11, so that the elastic part 21 is in a compressed state, so that the elastic part 21 can apply a certain pre-tightening force to the battery cell 11. In this way, the installation stability of the battery cell stack 1 can be improved.

[0063] In the actual setting, a back glue with strong adhesive properties and high temperature resistant material, such as modified acrylic acid, can be provided on both sides of the separator 2. A high temperature resistant structural adhesive layer 78 can also be coated between the battery cell 11 and the separator 2 when the battery cell stack 1 is stacked, so that two adjacent battery cells 11 in the battery cell stack 1 can be glued together through the separator 2. When all the battery cells 11 in the battery pack are of the same type, such as all lithium iron phosphate energy type, the materials and sizes of multiple separators 2 are the same. When the battery module 100 uses different types of battery cells 11, such as a mixture of lithium iron phosphate and ternary lithium, a mixture of energy type and power type, etc., the separators 2 at different positions in the battery cell stack 1 can be of different sizes and materials according to the requirements of the adjacent battery cells 11. In addition, in order to ensure the thermal insulation performance of the battery cell 11 under thermal runaway, the separator 2 can be additionally provided with a fire retardant coating, a mica board, a phase change material, etc.

[0064] According to the battery module 100 of the embodiment of the utility model, an elastic portion 21 is provided between adjacent battery cells 11, so that the elastic portion 21 can provide a certain expansion space for the battery cells 11, thereby preventing the battery cells 11 from being squeezed and damaged when they expand due to aging or heat, and the elastic portion 21 can apply a certain pre-tightening force to the battery cells 11 to improve the stability of the battery cell stack 1, thereby improving the overall performance of the battery module 100.

[0065] In some embodiments of the present invention, the spacer 2 further includes a support portion 22 , and the support portion 22 is clamped between adjacent battery cells 11 to maintain a gap between adjacent battery cells 11 .

[0066] For example, refer to Figure 2-Figure 3 As shown, the spacer 2 also includes a support portion 22, which is suitable for being arranged corresponding to the area of ​​the battery cell 11 with a smaller expansion thickness. The support portion 22 can be made of a PET board, epoxy resin, a mica board composite material or other insulating incompressible material. The thickness of the support portion 22 is equal to the interval between two adjacent battery cells 11. The support portion 22 is used to be clamped between two adjacent battery cells 11 so that the two adjacent battery cells 11 can maintain the interval. In this way, the overall stability of the battery cell stack 1 can be improved.

[0067] In some embodiments of the present invention, Figure 3 As shown, the elastic part 21 and the support part 22 can be connected as one, for example, by gluing, etc. Through the above arrangement, the difficulty of assembling the spacer 2 can be reduced, which is conducive to improving the assembly efficiency of the battery module 100.

[0068] In some embodiments of the present invention, Figure 3As shown, the support portion 22 can be constructed in a ring shape, and the support portion 22 is suitable for being arranged around the elastic portion 21. In this way, the support portion 22 can support the battery cell 11 along the circumferential direction to improve the stability between two adjacent battery cells 11, and the support portion 22 can limit the deformation direction of the elastic portion 21 to improve the pre-tightening effect of the elastic portion 21 on the battery cell 11. Therefore, it is beneficial to improve the overall stability of the battery cell stack 1.

[0069] In some embodiments of the present invention, each battery cell 11 includes first side walls 111a oppositely arranged along the first direction F1, the area of ​​the first side walls 111a is larger than the area of ​​the other side walls of the battery cell 11, and the isolation member 2 is located between the first side walls 111a of adjacent battery cells 11.

[0070] For example, refer to Figure 2 and Figure 4 As shown, the battery cell 11 is configured as a rectangle, and each battery cell 11 includes two first side walls 111a opposite to each other along a first direction F1, and the area of ​​the first side wall 111a is larger than the area of ​​the other side walls of the battery cell 11. Multiple battery cells 11 of the same battery cell stack 1 are stacked along the first direction F1, and the separator 2 can be arranged between the first side walls 111a of adjacent battery cells 11, so that the separator 2 can achieve large-surface contact with the battery cell 11 through the first side wall 111a. In this way, the stability of the battery cell stack 1 can be improved.

[0071] In some embodiments of the present invention, Figure 2 and Figure 4 As shown, the first direction F1 is set as the up-down direction, and the spacer 2 can be set between the first side walls 111a of two adjacent battery cells 11, so that the spacer 2 can separate the two adjacent battery cells 11 in the up-down direction, so that the support portion 22 can support the upper one of the two adjacent battery cells 11, and no mounting bracket is required. Through the above arrangement, the structure of the battery module 100 can be simplified and the difficulty of assembling the battery module 100 can be reduced.

[0072] It should be noted that the number of battery cells 11 in the battery cell stack 1 can be adjusted to change the size of the battery cell stack 1 in the up and down direction, so that the battery module 100 can adapt to different chassis, thereby improving the versatility of the battery module 100 .

[0073] In some embodiments of the present invention, the support portion 22 and the elastic portion 21 may be provided as separate parts. Through the above arrangement, the arrangement of the isolating member 2 may be more flexible, such as the support portion 22 may be connected with other parts to meet different working conditions.

[0074] In some embodiments of the present invention, multiple support parts 22 of the same battery cell stack 1 are connected by connecting members. Figure 5-Figure 6As shown, two support parts 22 are provided between two adjacent battery cells 11, and the two support parts 22 are respectively located on both sides of the elastic part 21 along the second direction F2. At the same time, connectors can be provided on both sides of the battery cell stack 1 along the second direction F2, and the connectors are extended and arranged along the first direction F1, and multiple support parts 22 located on the same side of the second direction F2 are connected to the connectors on the corresponding side to form a whole. Through the above arrangement, the installation stability of the support part 22 can be improved, and the installation difficulty of the support part 22 can be reduced, and the connector can also be used to limit one side of the battery cell stack 1 along the second direction F2 to improve the stability of the battery cell stack 1.

[0075] In some embodiments of the present invention, Figure 6-Figure 7 As shown, the battery module 100 of the embodiment of the utility model further includes: a heat exchanger 4, which is arranged on one side of the battery cell stack 1, such as a heat exchanger 4 can be arranged on one side of the battery cell stack 1 along the second direction F2, or a heat exchanger 4 can be arranged on both sides of the battery cell stack 1 along the second direction F2, and the present application does not limit this. The heat exchanger 4 is used to cooperate with the battery cell 11 for heat conduction. A flow channel is arranged in the heat exchanger 4, and the flow channel is connected to an external water source through two flow guides 79. The heat exchange medium can flow from the flow guide 79 into the flow channel, and then flow out from another flow guide 79 after flowing through the flow channel, so that the heat exchanger 4 can exchange heat with the battery cell 11.

[0076] Specifically, when the temperature of the battery cell 11 is too high, the heat exchange medium in the heat exchange element 4 can cool the battery cell 11 to prevent thermal runaway of the battery cell 11; and when the temperature of the battery cell 11 is too low, the heat exchange medium in the heat exchange element 4 can heat the battery cell 11 to prevent the battery cell 11 from being too low in temperature and affecting the performance of the battery cell 11. Thus, the reliability of the battery module 100 can be improved.

[0077] It should be noted that the heat exchanger 4 can be made of metal material, and the manufacturing process can be extrusion, stamping, blowing, machining, etc., so that the heat exchanger 4 has sufficient mechanical strength; the heat exchange medium can be a liquid or a refrigerant that can undergo phase change.

[0078] In some embodiments of the present invention, Figure 6 As shown, a heat conductive adhesive layer 71 can be provided between the heat exchanger 4 and the battery cell 11. The heat conductive adhesive layer 71 is used to glue the heat exchanger 4 to the battery cell 11 to improve the relative stability between the heat exchanger 4 and the battery cell 11. The heat conductive adhesive layer 71 can be used to guide the heat of the heat exchanger 4 to the battery cell 11 to improve the heat exchange efficiency of the heat exchanger 4. The heat conductive adhesive layer 71 can also be used to insulate and separate the heat exchanger 4 from the battery cell 11 to avoid short circuit caused by conduction between the heat exchanger 4 and the battery cell 11. This is conducive to improving the overall performance of the battery module 100.

[0079] In some embodiments of the present invention, the isolation element 2 also includes a support portion 22 arranged between adjacent battery cells 11, the heat exchange element 4 includes a heat exchange plate 41 located between adjacent battery cells 11, and at least one of the support portion 22 and the heat exchange plate 41 is provided between any two adjacent battery cells 11 of the same battery cell stack 1.

[0080] For example, refer to Figure 7-Figure 8 As shown, the spacer 2 also includes a support portion 22, the thickness of the support portion 22 is equal to the gap between two adjacent battery cells 11, and the support portion 22 is supported between two adjacent battery cells 11 so that the two adjacent battery cells 11 can maintain a gap. The heat exchanger 4 includes a heat exchange plate 41 located between adjacent battery cells 11, the thickness of the heat exchange plate 41 is equal to the gap between two adjacent battery cells 11, the heat exchange plate 41 is supported between two adjacent battery cells 11 so that the two adjacent battery cells 11 can maintain a gap, and the heat exchange plate 41 can also be used to exchange heat with the battery cells 11.

[0081] Exemplarily, a support portion 22 may be provided between two adjacent battery cells 11 of the same battery cell stack 1, and there are two support portions 22, which are respectively provided on both sides of the elastic portion 21 along the second direction F2; or, a support portion 22 and a heat exchange plate 41 may be provided between two adjacent battery cells 11 of the same battery cell stack 1, and the support portion 22 and the heat exchange plate 41 are respectively provided on both sides of the elastic portion 21 along the second direction F2; or, a heat exchange plate 41 may be provided between two adjacent battery cells 11 of the same battery cell stack 1, and there are two heat exchange plates 41, which are respectively provided on both sides of the elastic portion 21 along the second direction F2.

[0082] It can be understood that the heat exchange plate 41 has both supporting and heat dissipation functions, which is beneficial to reducing the structural complexity of the battery module 100 and can increase the contact area between the heat exchange element 4 and the battery cell 11, which is beneficial to improving the heat exchange efficiency of the heat exchange element 4.

[0083] In some embodiments of the utility model, a heat exchange plate 41 may be provided on at least one side of the battery cell 11 along the first direction F1. For example, multiple heat exchange plates 41 and multiple support portions 22 may be arranged staggered in the first direction F1; or, a heat exchange plate 41 may be provided between any two adjacent battery cells 11, which is not limited in the present application. Through the above arrangement, it can be ensured that the heat exchange element 4 can exchange heat with each battery cell 11, which is beneficial to improving the temperature uniformity of the battery cell stack 1.

[0084] In some embodiments of the present invention, there are multiple battery cell stacks 1, and the multiple battery cell stacks 1 are arranged along the second direction F2, the first direction F1 and the second direction F2 are perpendicularly arranged, and each battery cell stack 1 is provided with a heat exchange component 4 on at least one side along the second direction F2.

[0085] For example, refer to Figure 7-Figure 8 As shown, the first direction F1 and the second direction F2 are arranged vertically, for example, the first direction F1 can be set as the up-down direction, and the second direction F2 can be set as the front-back direction (or the left-right direction). There can be multiple battery cell stacks 1, and the multiple battery cell stacks 1 are arranged along the second direction F2, and each battery cell stack 1 is provided with a heat exchanger 4 on at least one side along the second direction F2.

[0086] Specifically, Figure 7 As shown, the battery stacks 1 can be divided into multiple groups, and the two battery stacks 1 in each group are respectively provided with heat exchangers 4 on the sides facing each other (if the number of battery stacks 1 is odd, a heat exchanger 4 is provided on the side of the extra battery stack 1 away from the other battery stacks 1); or Figure 8 As shown, heat exchangers 4 may be provided on both sides of each battery cell stack 1 along the second direction F2; or, heat exchangers 4 may be provided on the sides of two adjacent battery cell stacks 1 facing each other; or, heat exchangers 4 may be provided on the outermost two of the multiple battery cell stacks 1, and the heat exchangers 4 are located on the outer side of the battery cell stack 1 along the second direction F2, and the present application does not limit this. Thus, targeted settings can be made according to the heating conditions of the battery cell 11, which is conducive to improving the practicality of the battery module 100.

[0087] In some embodiments of the present invention, the heat exchanger 4 includes a first connecting member 42 for connecting multiple heat exchange plates 41, and multiple support parts 22 corresponding to each battery cell stack 1 are connected by a second connecting member 31 to define a support member 3, and the heat exchanger 4 and support member 3 corresponding to each battery cell stack 1 are arranged along the second direction F2.

[0088] For example, refer to Figure 7 and Fig. 9 As shown, the heat exchanger 4 includes a first connecting member 42, which is arranged on one side of the battery cell stack 1 along the second direction F2 and extends along the first direction F1. The first connecting member 42 can connect multiple heat exchange plates 41 located on one side of the battery cell stack 1 along the second direction F2 to form a heat exchanger 4.

[0089] At the same time, refer to Figure 5 and Figure 7 As shown, the second connecting member 31 can be arranged on the other side of the battery cell stack 1 along the second direction F2 and extend along the first direction F1. The second connecting member 31 can connect multiple support parts 22 located on the other side of the battery cell stack 1 along the second direction F2 to define the support member 3, and the heat exchange member 4 and the support member 3 corresponding to each battery cell 11 are arranged along the second direction F2.

[0090] It should be noted that if Figure 7As shown, when two adjacent battery cell stacks 1 are provided with a heat exchange plate 41 on the side facing each other, they can be connected by the same first connecting member 42, and when two adjacent battery cell stacks 1 are provided with a support portion 41 on the side facing each other, they can be connected by the same second connecting member 31 to achieve the arrangement order of heat exchange member 4, battery cell stack 1, support member 3, battery cell stack 1, heat exchange member 4, battery cell stack 1, support member 3.

[0091] Through the above configuration, the convenience of assembling the battery module 100 can be improved, which is beneficial to improving the practicality of the battery module 100.

[0092] In some embodiments of the present invention, the battery module 100 of the embodiments of the present invention further includes: a heating element 72 , and the heating element 72 is disposed on the heat exchange element 4 to heat the battery cell stack 1 .

[0093] For example, refer to Figure 6 As shown, the battery module 100 also includes a heating element 72, which is constructed in a plate shape. The heating element 72 can be arranged on the side of the heat exchange element 4 away from the battery cell stack 1, so that the heating element 72 can heat the battery cell stack 1 through the heat exchange element 4. Alternatively, the heating element 72 can be arranged on the side of the heat exchange element 4 facing the battery cell stack 1, so that the heating element 72 can directly heat the battery cell 11. The present application does not impose any restrictions on this.

[0094] Specifically, when the battery cell 11 needs to be heated, if the heat exchange element 4 can meet the heating demand of the battery cell 11, the heating element 72 does not work; if the maximum heating performance of the heat exchange plate 41 does not meet the heating demand of the battery cell 11, the heating element 72 can be energized so that the heating element 72 can heat the battery cell 11, thereby increasing the heating rate of the battery cell 11.

[0095] It should be noted that the heating element in the heating element 72 can be a resistance wire, PTC, a semiconductor with a Peltier effect, or other materials that generate heat when powered, and the base material of the heating element 72 can be set to have high thermal conductivity and insulation performance. When the heating function is not turned on, the heating element 72 does not affect the heat exchange between the heat exchange element 4 and the battery cell 11. Preferably, the base material of the heating element 72 can be set to a composite integrated phase change material, so that the heating element 72 can absorb and release heat and balance the temperature distribution of the battery cell 11.

[0096] Through the above configuration, the heating rate of the battery cell 11 can be increased, ensuring the working reliability of the battery module 100 in a low temperature environment, which is beneficial to improving the practicality of the battery module 100 .

[0097] In some embodiments of the utility model, a first pole 112 and a second pole 113 are respectively provided at both ends of the battery cell 11 along the third direction F3, the first pole 112 of the battery cell 11 is electrically connected to the first pole 112 of the adjacent battery cell 11 through the first bus 12, and the second pole 113 of the battery cell 11 is electrically connected to the second pole 113 of the adjacent battery cell 11 through the second bus 13, and the third direction F3 is arranged perpendicular to the first direction F1.

[0098] For example, refer to Fig.10 As shown, the third direction F3 can be set perpendicular to the first direction F1, for example, the first direction F1 can be set as the up-down direction, and the third direction F3 can be set as the left-right direction. Figure 4 As shown, the length direction of the battery cell 11 extends along the third direction F3, and the first pole 112 and the second pole 113 are respectively provided at two ends of the battery cell 11 along the third direction F3.

[0099] Among them, Figure 11-Figure 14 As shown, the first pole 112 of the battery cell 11 can be electrically connected to the first pole 112 of the adjacent battery cell 11 through the first busbar 12, and the second pole 113 of the battery cell 11 can be electrically connected to the second pole 113 of another adjacent battery cell 11 through the second busbar 13, so as to connect the multiple battery cells 11 in series. It should be noted that the adjacent here is not limited to the positional relationship of up, down, left, and right, and can also be the positional relationship of upper left, upper right, lower left, and lower right.

[0100] Of course, the present application is not limited thereto, and multiple battery cells 11 may be connected in parallel first and then in series to meet different design requirements.

[0101] The battery module 100 further includes a first electrical connector 74 and a second electrical connector 75, wherein the first electrical connector 74 is used to electrically connect the plurality of battery cells 11 to the first polarity input side of the battery disconnection unit 9, and the second electrical connector 75 is used to electrically connect the plurality of battery cells 11 to the second polarity input side of the battery disconnection unit 9, so that the battery disconnection unit 9 can selectively control the battery module 100 to be connected to the outside world. Through the above arrangement, the layout difficulty of the battery module 100 can be reduced and the practicality of the battery module 100 can be improved.

[0102] In some embodiments of the present invention, a first sampling point 114 and a second sampling point 115 are respectively provided at both ends of the battery cell 11 along the third direction F3, the first sampling point 114 and the second sampling point 115 are electrically connected through a conductive member, and the second sampling point 115 is electrically connected to the corresponding second pole 113; the battery module 100 also includes a battery management unit 5, which is used to collect the voltage difference between the first sampling point 114 and the first pole 112.

[0103] For example, refer to Figure 11-Figure 14 As shown, a first sampling point 114 and a second sampling point 115 may be respectively provided at both ends of the battery cell 11 along the third direction F3, the first sampling point 114 and the first pole 112 are located at the same end of the battery cell 11 and are spaced apart, the second sampling point 115 and the second pole 113 are located at the same end of the battery cell 11 and are spaced apart, and the first sampling point 114 and the second sampling point 115 may be electrically connected via a conductive member.

[0104] Specifically, the conductive member can be the shell 111 of the battery cell 11 or an independent wire, and when the shell 111 is set as a conductive member, it is necessary to set the shell 111 to be made of metal material and the outside is covered with insulating material, and set the first pole 112 and the second pole 113 to be insulated and separated from the shell 111.

[0105] Among them, the second sampling point 115 can be electrically connected to the corresponding second pole 113 through the transmission member 76, so that the second pole 113 can be electrically connected to the first sampling point 114 through the transmission member 76, the second sampling point 115 and the conductive member, so that the voltage of the first sampling point 114 is the same as the voltage of the second pole 113. At the same time, the battery module 100 can be set to also include a battery management unit 5, which is used to collect the voltage difference between the first sampling point 114 and the first pole 112 to obtain the voltage difference between the first pole 112 and the second pole 113, thereby obtaining the voltage of the corresponding battery cell 11. In this way, convenient voltage collection can be achieved, which is conducive to improving the practicality of the battery module 100.

[0106] In some embodiments of the present invention, the battery management unit 5 includes a first sampling leg 51 and a second sampling leg 52 . The first sampling leg 51 is electrically connected to the first sampling point 114 , and the second sampling leg 52 is electrically connected to the first bus 12 .

[0107] For example, refer to Fig.12 As shown, the battery management unit 5 includes a first sampling pin 51 and a second sampling pin 52, which are respectively arranged on opposite sides of the battery management unit 5, and there are multiple first sampling pins 51, and the multiple first sampling pins 51 correspond one-to-one to the first sampling points 114 of the multiple battery cells 11 of the battery cell stack 1 and are electrically connected, and there are multiple second sampling pins 52, and the multiple second sampling pins 52 correspond one-to-one to the multiple first busbars 12 and are electrically connected.

[0108] Through the above arrangement, integrated detection of the battery cell 11 can be achieved, which is beneficial to reducing the number of wiring harnesses, and can also reduce the number of second sampling legs 52, thereby reducing the difficulty of processing and installing the battery management unit 5.

[0109] It should be noted that when the number of battery cell stacks 1 is an even number, the multiple battery cell stacks 1 can be grouped in pairs, and then the stacking method of the battery cells 11 is adjusted so that the first sampling points 114 of the two battery cell stacks 1 in the same group are set on the side close to each other, so that the battery management unit 5 can detect the two battery cell stacks 1 at the same time; and when the number of battery cell stacks 1 is an odd number, the multiple battery cell stacks 1 are also grouped in pairs, and the battery management unit 5 is set to perform a separate detection on the extra battery cell stack 1. In this way, the number of battery management units 5 can be reduced.

[0110] In addition, when the battery management unit 5 is used to detect two battery cell stacks 1 at the same time, an observation hole 53 can be opened on the battery management unit 5 corresponding to the first sampling point 114 to observe the connection between the first sampling leg 51 and the first sampling point 114. In this way, the reliability of the battery management unit 5 can be improved.

[0111] In actual settings, multiple battery management units 5 can be connected in sequence by wired harnesses and then connected to the battery management system host, or can communicate with each other and the host by wireless connection. The battery module 100 can also arrange temperature sensors according to temperature sampling requirements and connect them to the battery management unit 5.

[0112] In some embodiments of the present invention, Fig.10 As shown, insulating covers 77 may be provided at both ends of the battery cell stack 1 along the third direction F3 to meet high voltage protection requirements.

[0113] In some embodiments of the utility model, the battery module 100 of the embodiment of the utility model further includes a shell 6, there are multiple battery cell stacks 1 and they are arranged in the shell 6, the multiple battery cell stacks 1 are arranged along the second direction F2, and the first direction F1 and the second direction F2 are arranged vertically; the shell 6 includes a limiting beam 61 and a limiting cover plate 62, the limiting cover plate 62 is limitedly supported on the top of at least a portion of the battery cell stack 1, the limiting beam 61 is connected to the limiting cover plate 62 on both sides along the second direction F2 and is used to cooperate with at least a portion of the battery cell stack 1 in a limiting manner.

[0114] For example, refer to Figure 15-16 As shown, the battery module 100 also includes a shell 6 and a tray 81. The shell 6 is supported on the tray 81 and defines a accommodating cavity. There are multiple battery cell stacks 1. The multiple battery cell stacks 1 are arranged in the accommodating cavity and supported and connected to the tray 81. For example, they can be glued to the tray 81 through a structural adhesive layer 78. The multiple battery cell stacks 1 are arranged along the second direction F2. The first direction F1 is perpendicular to the second direction F2. For example, the first direction F1 can be set as the up and down direction, and the second direction F2 can be set as the front and back direction.

[0115] The housing 6 includes a limiting beam 61 and a limiting cover plate 62. The limiting cover plate 62 is limitedly supported on the top of at least a portion of the battery stack 1. The limiting beam 61 is connected to both sides of the limiting cover plate 62 along the second direction F2. The limiting beam 61 is extended along the first direction F1 and the bottom is connected to the tray 81 through the structural adhesive layer 78. The limiting beam 61 can be used to limit the cooperation with at least a portion of the battery stack 1. It should be noted that the limiting cover plate 62 can be glued to the top of the battery stack 1 through the structural adhesive layer 78.

[0116] For example, Figure 2 As shown, the dimensions of multiple battery cell stacks 1 along the first direction F1 can be the same, so that the limiting cover plate 62 can be limitedly supported on the top of the multiple battery cell stacks 1, and there are two limiting beams 61, which are respectively connected to the two sides of the limiting cover plate 62 along the second direction F2, and the bottom of the limiting beam 61 is connected to the tray 81, and the two limiting beams 61 are respectively limitedly matched with the multiple battery cell stacks 1 from both sides along the second direction F2. In this way, the stable installation of the battery cell stack 1 can be achieved, and the reliability of the battery module 100 can be improved.

[0117] In some embodiments of the present invention, at least two battery cell stacks 1 are divided into a first part 110 and a second part 120 arranged in sequence along the second direction F2, and the height of the first part 110 along the first direction F1 is less than the height of the second part 120 along the first direction F1; the limiting beam 61 includes a first limiting beam 611, a second limiting beam 612, a third limiting beam 613 and a fourth limiting beam 614, and the limiting cover plate 62 includes a first limiting cover plate 621 and a second limiting cover plate 622, and the first limiting cover plate 621 is limitedly supported on the first limiting cover plate At the top of part 110, the first limiting beam 611 and the second limiting beam 612 are respectively connected to the two sides of the first limiting cover plate 621 along the second direction F2 and are respectively limited and matched with the first part 110; the second limiting cover plate 622 is limited and supported on the top of the second part 120, and the third limiting beam 613 is connected between the first limiting cover plate 621 and the second limiting cover plate 622. One side of the second part 120 is suitable for limiting and matching with the second limiting beam 612 and the third limiting beam 613, and the other side is limited and matched with the fourth limiting beam 614.

[0118] For example, refer to Figure 15-16 As shown, at least two battery cell stacks 1 can be divided into a first part 110 and a second part 120 arranged in sequence along the second direction F2, the first part 110 and the second part 120 each having a plurality of battery cell stacks 1, and the height of the first part 110 along the first direction F1 is less than the height of the second part 120 along the first direction F1, so that the multiple battery cell stacks 1 form an L-shaped structure.

[0119] Among them, the limiting beam 61 includes a first limiting beam 611 and a second limiting beam 612, the limiting cover plate 62 includes a first limiting cover plate 621, the first limiting cover plate 621 is matched with the first part 110, the first limiting cover plate 621 is used for limiting support on the top of the first part 110, the first limiting beam 611 and the second limiting beam 612 are respectively connected to the first limiting cover plate 621 on both sides along the second direction F2 and the bottom is connected to the tray 81, the first limiting beam 611 and the second limiting beam 612 can be respectively matched with the two sides of the first part 110 along the second direction F2 to limit the first part 110 on the tray 81.

[0120] Meanwhile, the limiting beam 61 further includes a third limiting beam 613 and a fourth limiting beam 614, and the limiting cover plate 62 further includes a second limiting cover plate 622, which is matched with the second portion 120 and can be limitedly supported on the top of the second portion 120. The upper end of the third limiting beam 613 is connected to the first limiting cover plate 621 and the lower end is connected to the second limiting cover plate 622, and the side of the second portion 120 facing the first portion 110 can be opposite to the third limiting beam 613 and the second limiting beam 612, so that the second limiting beam 612 and the third limiting beam 613 can be limitedly matched with the second portion 120. The fourth limiting beam 614 is connected to the side of the second limiting cover plate 622 away from the first part 110, and the fourth limiting beam 614 extends downward and is connected to the tray 81. The side of the second part 120 away from the first part 110 is suitable for limiting cooperation with the fourth limiting beam 614 to limit the second part 120 on the tray 81.

[0121] Of course, the present application is not limited to this. Multiple battery cell stacks 1 may also be divided into a first part 110, a second part 120 and a third part arranged in sequence along the second direction F2, and the heights of the first part 110, the second part 120 and the third part along the first direction F1 are gradually increased, or the height of the second part 120 along the first direction F1 is greater than the height of the first part 110 and the third part along the first direction F1. The present application does not impose any restrictions on this.

[0122] Through the above arrangement, the battery module 100 can better adapt to the chassis structure of the vehicle 200 , which is beneficial to improving the practicality of the battery module 100 .

[0123] In some embodiments of the present invention, Figure 1 As shown, the battery module 100 further includes a cover shell 82, which is disposed on the tray 81 to shield the housing 6. This helps to improve the reliability of the battery module 100.

[0124] In some embodiments of the present invention, Fig.10As shown, a heat insulating plate 73 can be provided on the side of the limiting beam 61 facing the battery stack 1, and the heat insulating plate 73 is used to separate the limiting beam 61 from the battery stack 1 (or the heat exchanger 4) to prevent the limiting beam 61 from exchanging heat with the battery stack 1 and affecting the heat exchange efficiency of the heat exchanger 4, and adhesive structures are provided on both sides of the heat insulating plate 73 so that the heat insulating plate 73 can connect the battery stack 1 and the limiting beam 61 as a whole. This is conducive to improving the overall performance of the battery module 100.

[0125] The utility model also provides a vehicle 200.

[0126] like Fig.17 As shown, a vehicle 200 according to an embodiment of the present invention includes a battery module 100 according to any one of the above embodiments.

[0127] According to the vehicle 200 of the embodiment of the utility model, an elastic portion 21 is provided between adjacent battery cells 11, so that the elastic portion 21 can provide a certain expansion space for the battery cells 11, thereby preventing the battery cells 11 from being squeezed and damaged when they expand due to aging or heat, and the elastic portion 21 can apply a certain pre-tightening force to the battery cells 11 to improve the stability of the battery cell stack 1, improve the overall performance of the battery module 100, and improve the reliability of the vehicle 200.

[0128] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships 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, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0129] In the description of the present invention, "first feature" or "second feature" may include one or more of the features.

[0130] In the description of the present invention, "plurality" means two or more.

[0131] In the description of the present invention, a first feature being “above” or “below” a second feature may include that the first and second features are directly in contact with each other, or may include that the first and second features are not in direct contact but are in contact with each other via another feature therebetween.

[0132] In the description of the present invention, a first feature “above”, “over” and “above” a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

[0133] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0134] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A battery module (100), characterized in that: include: At least one battery cell stack (1), each of the battery cell stacks (1) comprising a plurality of battery cells (11) stacked along a first direction (F1); A separator (2) is provided between adjacent battery cells (11); the separator (2) is an insulating member so that adjacent battery cells (11) are arranged with insulation intervals; the separator (2) comprises an elastic portion (21).

2. The battery module (100) according to claim 1, characterized in that: The isolating member (2) further comprises a supporting portion (22), wherein the supporting portion (22) is clamped between adjacent battery cells (11) to maintain a spacing gap between adjacent battery cells (11).

3. The battery module (100) according to claim 2, characterized in that: The elastic portion (21) and the supporting portion (22) are connected as one body.

4. The battery module (100) according to claim 3, characterized in that: The supporting portion (22) is arranged around the elastic portion (21).

5. The battery module (100) according to claim 2, characterized in that: Each of the battery cells (11) comprises first side walls (111a) arranged opposite to each other along the first direction (F1), the area of ​​the first side walls (111a) being greater than the area of ​​the remaining side walls of the battery cell (11), and the isolation member (2) being located between the first side walls (111a) of adjacent battery cells (11).

6. The battery module (100) according to claim 5, characterized in that: The first direction (F1) is an up-down direction, and the support portion (22) is used to support the battery cell (11) located above it.

7. The battery module (100) according to claim 2, characterized in that: The supporting portion (22) and the elastic portion (21) are separate parts.

8. The battery module (100) according to claim 7, characterized in that: The plurality of support parts (22) of the same battery cell stack (1) are connected via a connecting piece.

9. The battery module (100) according to claim 1, characterized in that: Also includes: A heat exchange component (4), the heat exchange component (4) being arranged on one side of the battery cell stack (1) and exchanging heat with the plurality of battery cells (11).

10. The battery module (100) according to claim 9, characterized in that: A heat-conducting adhesive layer (71) is provided between the heat exchange component (4) and the battery core (11).

11. The battery module (100) according to claim 9, characterized in that: The isolating element (2) further comprises a supporting portion (22) disposed between adjacent battery cells (11); the heat exchange element (4) comprises a heat exchange plate (41) disposed between adjacent battery cells (11); and at least one of the supporting portion (22) and the heat exchange plate (41) is disposed between any two adjacent battery cells (11) of the same battery cell stack (1).

12. The battery module (100) according to claim 11, characterized in that: The heat exchange plate (41) is provided on at least one side of the battery core (11) along the first direction (F1).

13. The battery module (100) according to claim 11, characterized in that: There are a plurality of battery cell stacks (1), and the plurality of battery cell stacks (1) are arranged along a second direction (F2), the first direction (F1) and the second direction (F2) are perpendicular, and each battery cell stack (1) is provided with the heat exchange component (4) on at least one side along the second direction (F2).

14. The battery module (100) according to claim 13, characterized in that: The heat exchange member (4) comprises a first connecting member (42) for connecting a plurality of the heat exchange plates (41); a plurality of the support portions (22) corresponding to each of the battery cell stacks (1) are connected via a second connecting member (31) to define a support member (3); and the heat exchange member (4) and the support member (3) corresponding to each of the battery cell stacks (1) are arranged along the second direction (F2).

15. The battery module (100) according to claim 9, characterized in that: Also includes: A heating element (72), wherein the heating element (72) is arranged on the heat exchange element (4) to heat the battery cell stack (1).

16. The battery module (100) according to any one of claims 1 to 15, characterized in that: The battery cell (11) is provided with a first pole (112) and a second pole (113) at both ends along a third direction (F3), respectively; the first pole (112) of the battery cell (11) is electrically connected to the first pole (112) of an adjacent battery cell (11) via a first busbar (12), and the second pole (113) of the battery cell (11) is electrically connected to the second pole (113) of an adjacent battery cell (11) via a second busbar (13); the third direction (F3) is perpendicular to the first direction (F1).

17. The battery module (100) according to claim 16, characterized in that: The battery cell (11) is provided with a first sampling point (114) and a second sampling point (115) at two ends along the third direction (F3), respectively; the first sampling point (114) and the second sampling point (115) are electrically connected via a conductive member, and the second sampling point (115) is electrically connected to the corresponding second pole (113); The battery module (100) further comprises a battery management unit (5), wherein the battery management unit (5) is used to collect the voltage difference between the first sampling point (114) and the first pole (112).

18. The battery module (100) according to claim 17, characterized in that: The battery management unit (5) comprises a first sampling leg (51) and a second sampling leg (52), wherein the first sampling leg (51) is electrically connected to the first sampling point (114), and the second sampling leg (52) is electrically connected to the first busbar (12).

19. The battery module (100) according to claim 1, characterized in that: It also comprises a shell (6), the battery cell stacks (1) are multiple and arranged in the shell (6), the multiple battery cell stacks (1) are arranged along a second direction (F2), and the first direction (F1) and the second direction (F2) are perpendicular; The housing (6) comprises a limiting beam (61) and a limiting cover plate (62); the limiting cover plate (62) is limitedly supported on the top of at least a portion of the battery cell stack (1); the limiting beam (61) is connected to both sides of the limiting cover plate (62) along the second direction (F2) and is used for limiting cooperation with at least a portion of the battery cell stack (1).

20. The battery module (100) according to claim 19, characterized in that: At least two of the battery cell stacks (1) are divided into a first part (110) and a second part (120) arranged in sequence along the second direction (F2), and a height of the first part (110) along the first direction (F1) is smaller than a height of the second part (120) along the first direction (F1); The limiting beam (61) comprises a first limiting beam (611), a second limiting beam (612), a third limiting beam (613) and a fourth limiting beam (614); the limiting cover plate (62) comprises a first limiting cover plate (621) and a second limiting cover plate (622); the first limiting cover plate (621) is limitedly supported on the top of the first part (110); the first limiting beam (611) and the second limiting beam (612) are respectively connected to two sides of the first limiting cover plate (621) along the second direction (F2) and are respectively limitedly matched with the first part (110); The second limiting cover plate (622) is limitedly supported on the top of the second part (120), the third limiting beam (613) is connected between the first limiting cover plate (621) and the second limiting cover plate (622), one side of the second part (120) is suitable for limiting cooperation with the second limiting beam (612) and the third limiting beam (613), and the other side is limitedly cooperated with the fourth limiting beam (614).

21. A vehicle (200), characterized in that: Comprising a battery module (100) according to any one of claims 1 to 20.

Images