Battery structure, battery pack and vehicle

Abstract

The utility model provides a battery structure, a battery pack and a vehicle. The battery structure comprises at least two battery units which are arranged side by side, and a first cooling structure is arranged between every two adjacent battery units; the first cooling structure comprises a cooling component, a first cooling channel is formed in the cooling component, a cooling medium in the first cooling channel can exchange heat with the adjacent battery units, and the adjacent battery units are connected together through the cooling component. According to the battery structure disclosed by the utility model, the first cooling structures are arranged between the adjacent battery units, and the adjacent battery units are connected together through the cooling parts forming the first cooling structures, so that the battery is cooled, the rigidity of a battery pack is improved, and the battery structure has good practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of power batteries, and particularly relates to a battery structure. The utility model also relates to a battery pack adopting the above battery structure, and a vehicle provided with the battery pack. Background Art

[0002] In the related art, taking the battery pack in a new energy vehicle as an example, in order to realize the cooling of the battery pack so that the battery pack can work at a normal temperature, a cooling plate is usually arranged in the battery pack. The cooling plate is generally arranged at the bottom of the battery pack, and the heat exchange between the cooling medium and the battery unit (electric core or module) is realized by contacting the battery unit, so as to achieve the cooling purpose. However, although the cooling plate adopted in the current battery pack can cool the battery unit, its improvement on the stiffness of the battery pack is limited, and it is difficult to provide better assistance for the improvement of the overall stiffness of the battery pack. Summary of the Utility Model

[0003] In view of this, the utility model aims to provide a battery structure which is beneficial to improving the stiffness of the battery pack while being able to cool the battery.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A battery structure includes at least two battery units arranged side by side, and a first cooling structure is provided between adjacent battery units;

[0006] The first cooling structure includes a cooling component with a first cooling channel formed inside. The cooling medium in the first cooling channel can exchange heat with adjacent battery units, and adjacent battery units are connected together through the cooling component.

[0007] Further, a mortise-tenon connection structure is formed between the cooling component and adjacent battery units, and the first cooling structure between adjacent battery units is one or multiple spaced apart ones.

[0008] Further, after being connected by the cooling component, adjacent battery units are all abutted together; and / or,

[0009] A thermal conductive insulating glue is provided between the cooling component and adjacent battery units.

[0010] Further, the mortise-tenon connection structure adopts a dovetail tenon, and the mortise-tenon connection structure includes a reverse buckle groove provided on the battery unit and a reverse buckle provided on the cooling component.

[0011] Furthermore, a second cooling structure is provided on each of the battery cells. The second cooling structure includes a second cooling channel formed inside the battery cell, and the cooling medium in the second cooling channel can exchange heat with the battery cell.

[0012] Furthermore, a plurality of the second cooling channels inside the battery cell are arranged at intervals.

[0013] Furthermore, the inlets and outlets of the first cooling channel and the second cooling channel are respectively arranged at both ends of the battery cell, and the battery structure further includes two relatively arranged cooling chambers;

[0014] Each of the battery cells is located between the two cooling chambers, and a first cooling cavity and a second cooling cavity are provided in both of the two cooling chambers;

[0015] Wherein, the first cooling cavity in the two cooling chambers is communicated with the first cooling channel and is used to form a first cooling loop, and the second cooling cavity in the two cooling chambers is communicated with the second cooling channel and is used to form a second cooling loop.

[0016] Furthermore, the first cooling cavity in each of the cooling chambers is arranged close to the battery cell, and the second cooling cavity is located on the side of the first cooling cavity facing away from the battery cell;

[0017] The cooling component passes through the first cooling cavity, so that the first cooling channel is communicated with the second cooling cavity.

[0018] Compared with the prior art, the present utility model has the following advantages:

[0019] In the battery structure of the present utility model, by providing a first cooling structure between adjacent battery cells and connecting the adjacent battery cells together through the cooling component constituting the first cooling structure, not only can the battery be cooled through the heat exchange between the cooling medium in the first cooling channel and the adjacent battery cells, but also through the connection between the adjacent battery cells, each battery cell can be made into a whole, which is also beneficial to improving the stiffness of the battery pack and has good practicability.

[0020] In addition, the cooling component and the battery cells are connected by a mortise and tenon joint structure, which is simple in structure, does not add other accessories additionally, and can also ensure the reliability of the connection between the cooling component and each battery cell, that is, between adjacent battery cells. After being connected, the adjacent battery cells abut against each other, which can make the arrangement of each battery cell more compact, help reduce the space occupied by the battery cells, or more battery cells can be arranged. A thermally conductive insulating adhesive is provided between the cooling component and the battery cells, which can further increase the connection stability between the cooling component and the battery cells on the basis of ensuring the heat transfer effect.

[0021] Secondly, the mortise and tenon joint structure adopts a dovetail tenon, which is easy to design and manufacture, and is also conducive to the assembly between the cooling component and the battery cells. By providing a second cooling structure on the battery cells, it can cooperate with the first cooling structure to not only achieve a better cooling effect, but also realize multiple cooling modes to better meet the different cooling requirements of the battery. The second cooling channels are arranged as a plurality of spaced-apart ones, which can ensure the cooling capacity of the second cooling structure.

[0022] Furthermore, by providing a cooling chamber and forming a cooling circuit between the cooling cavities in the two cooling chambers and the corresponding cooling channels, the integrated design of the cooling system and the battery cells can be realized, which is beneficial to its arrangement in the battery pack. The first cooling cavity is arranged close to the battery cells, the second cooling cavity is located on the side of the first cooling cavity facing away from the battery cells, and the cooling component passes through the first cooling cavity to connect the first cooling channel with the second cooling cavity, which can facilitate the connection between each cooling channel and the corresponding cooling cavity, and can make the structure of the cooling chamber relatively simple, conducive to design and manufacture, and also conducive to the assembly between the cooling chamber and the battery cells.

[0023] Another object of the present invention is to provide a battery pack, and the battery pack adopts the battery structure as described above.

[0024] In addition, the present invention also provides a vehicle, and the vehicle is provided with the battery pack as described above.

[0025] The battery pack of the present invention and the vehicle provided with the battery pack have the same beneficial effects as the above battery structure compared with the prior art, and will not be elaborated here. Description of the Drawings

[0026] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0027] Figure 1 is a schematic diagram of the battery structure according to the embodiment of the present invention;

[0028] Figure 2 is the top view of Figure 1 ;

[0029] Figure 3 is Figure 2 the sectional view at the A-A position in

[0030] Figure 4 is Figure 3 the enlarged partial view of part E in

[0031] Figure 5 is the schematic diagram of the setting of the thermal conductive insulating glue described in the embodiment of the present utility model;

[0032] Figure 6 is Figure 2 the sectional view at the B-B position in

[0033] Figure 7 is Figure 2 the sectional view at the C-C position in

[0034] Figure 8 is Figure 2 the sectional view at the D-D position in

[0035] Figure 9 is the structural schematic diagram of the cooling component described in the embodiment of the present utility model;

[0036] Figure 10 is the schematic diagram when there is no reverse buckle groove on the outer wall of the outermost battery cell;

[0037] Figure 11 is the structural schematic diagram when there are strengthening partition ribs in the battery cell;

[0038] Explanation of reference numerals:

[0039] 1, battery cell; 2, cooling chamber; 3, cooling component; 4, thermal conductive insulating glue; 5, second cooling channel;

[0040] 101, reverse buckle groove; 102, strengthening partition rib; 201, first cooling cavity; 2011, first cooling medium inlet; 2012, first cooling medium outlet; 202, second cooling cavity; 2021, second cooling medium inlet; 2022, second cooling medium outlet; 301, first cooling channel; 3a, reverse buckle;

[0041] Q, cavity. Detailed implementation manners

[0042] It should be noted that, without conflict, the embodiments and features in the embodiments of the present utility model can be combined with each other.

[0043] In the following description, specific details such as specific system architectures and technologies are presented for illustration rather than limitation in order to provide a thorough understanding of the embodiments of the present application. However, those skilled in the art should clearly understand that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details from interfering with the description of the present application.

[0044] In the description of the present utility model, it should be noted that if terms indicating orientation or positional relationships such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model 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 thus should not be construed as a limitation of the present utility model. In addition, if terms such as "first", "second", etc. appear, they are also only for descriptive purposes and should not be construed as indicating or implying relative importance.

[0045] In addition, in the description of the present utility model, unless otherwise clearly defined, the cooperating components can be connected using conventional connection structures in the art. Moreover, the terms "installation", "connection", "connection", and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood in combination with specific situations.

[0046] The present utility model will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0047] Embodiment 1

[0048] This embodiment relates to a battery structure, which involves a battery cell 1 in a battery pack and a related cooling structure for cooling the battery cell 1. Moreover, while the battery structure can cool the battery, it is also beneficial to improve the stiffness of the battery pack.

[0049] In terms of the overall structure, as shown in Figures 1 to 9 the battery structure of this embodiment includes at least two battery cells 1 arranged side by side, and a first cooling structure is provided between adjacent battery cells 1.

[0050] Among them, the above-mentioned first cooling structure includes a cooling component 3 with a first cooling channel 301 formed inside. The cooling medium in the first cooling channel 301 can exchange heat with adjacent battery cells 1, and the adjacent battery cells 1 are also connected together through the cooling component 3.

[0051] At this time, as set above, by arranging the first cooling structure between adjacent battery cells 1 and connecting the adjacent battery cells 1 together through the cooling components 3 that form the first cooling structure, in this embodiment, not only can the battery be cooled through the heat exchange between the cooling medium in the first cooling channel 301 and the adjacent battery cells 1, but also, through the connection between the adjacent battery cells 1, each battery cell 1 can be made into a whole, thereby achieving the effect of facilitating the improvement of the stiffness of the battery pack.

[0052] Based on the above overall introduction, specifically, still as Figure 1 and Figure 2 shown, in this embodiment, 4 battery cells 1 arranged side by side will be taken as an example for illustration. However, in addition to being 4 arranged side by side, of course, in specific implementation, according to the overall design of the battery pack, the battery cells 1 arranged side by side can be set to other quantities, and this is not limited.

[0053] In addition, as a preferred implementation form, based on the connection between adjacent battery cells 1 through the cooling components 3, for the connection between the cooling components 3 and each battery cell 1, for example, a mortise and tenon connection structure can be formed between the cooling components 3 and the adjacent battery cells 1. In this way, by connecting the cooling components 3 and the battery cells 1 through the mortise and tenon connection structure, it not only has the advantages of simple structure and no additional accessories, but also can ensure the reliability of the connection between the cooling components 3 and each battery cell 1, that is, between adjacent battery cells 1, and is more conducive to improving the stiffness of the battery pack.

[0054] In this embodiment, while adopting the mortise and tenon connection structure between the cooling components 3 and the adjacent battery cells 1, it is worth pointing out that the first cooling structure between adjacent battery cells 1 can be designed as one, or the first cooling structure formed by the cooling components 3 can also be designed as multiple arranged at intervals.

[0055] Among them, when the first cooling structure is one, it can be understood that in order to ensure the cooling ability of the battery cell 1, the cooling component 3 that forms the first cooling structure should have a first cooling channel 301 with a larger cross-section to ensure the cooling effect on the battery cell 1 by using a larger coolant flow rate. However, generally, in specific implementation, it is still preferred that the first cooling structures between adjacent battery cells 1 are multiple arranged at intervals. In this way, not only can the cooling ability be ensured, but also it is convenient for the arrangement of the cooling components 3 between adjacent battery cells 1. At the same time, when some of the cooling components 3 fail, the cooling effect on the battery cell 1 can be ensured through other normal cooling components 3 (the coolant flow rate can be increased), and the problem of thermal runaway can be avoided.

[0056] As a preferred implementation form, still refer toFigures 1 to 3 As shown in Figures 1 to 3 , in specific implementation, for example, in this embodiment, adjacent battery cells 1 can be made to abut against each other after being connected by the cooling component 3. In this way, adjacent battery cells 1 abut against each other after connection, which can make the arrangement of each battery cell 1 more compact, thus helping to reduce the space occupied by the battery cells 1, so as to reduce the overall volume of the battery pack. Or from another perspective, with the more compact arrangement of each battery cell 1, more battery cells 1 can also be provided, so that the battery pack can have better energy storage capacity.

[0057] In this embodiment, while the cooling component 3 is connected to each battery cell 1, as a preferred implementation form, in combination with Figure 4 and Figure 5 As shown in Figure 5 , in specific implementation, a thermally conductive insulating adhesive 4 can also be provided between the cooling component 3 and adjacent battery cells 1. The thermally conductive insulating adhesive 4 can be an existing adhesive with good thermal conductivity and insulation performance. And it can be understood that by providing the thermally conductive insulating adhesive 4 between the cooling component 3 and the battery cell 1, the stability of the connection between the cooling component 3 and the battery cell 1 can be further increased on the basis of ensuring the heat transfer effect.

[0058] Continuing as shown in Figures 3 to 5 As shown in Figures 3 to 5 , for the mortise and tenon connection structure between the cooling component 3 and the battery cell 1, as a preferred implementation form, for example, a dovetail tenon can be used. And in terms of structure, this mortise and tenon connection structure also includes an inverted buckle groove 101 provided on the battery cell 1, and an inverted buckle 3a provided on the cooling component 3 that matches the inverted buckle groove 101.

[0059] At this time, by making the mortise and tenon connection structure use a dovetail tenon, it has the advantages of being easy to design and prepare, and is also conducive to the assembly between the cooling component 3 and the battery cell 1. In addition, in specific implementation, the above-mentioned dovetail-shaped inverted buckle groove 101 is formed on the side wall of the housing of the battery cell 1, and in combination with Figure 9 As shown in Figure 9 , the above-mentioned dovetail-shaped inverted buckle 3a is directly formed by a part of the tubular cooling component 3. In this way, as shown in Figure 4 shown, from the cross-section, when adjacent battery cells 1 are connected by the cooling component 3, the cooling component 3 is entirely located within the area surrounded by the inverted buckle grooves 101 on two battery cells 1, so that adjacent battery cells 1 after connection can abut against each other.

[0060] It should be noted that in addition to using a dovetail tenon, of course, in specific implementation, other mortise and tenon structures can also be used between the cooling component 3 and the battery cell 1 of this embodiment, as long as it meets the setting requirements of the first cooling channel and can make adjacent battery cells 1 be reliably connected together.

[0061] In addition, in addition to making the adjacent battery cells 1 abut against each other after connection, of course, after connection, it is also possible to keep a certain distance between the adjacent battery cells 1, but this distance should be as small as possible, and generally, an adhesive layer with the same heat conduction and insulation characteristics can also be arranged within the above distance, so as to not only conduct heat, but also increase the connection strength between the adjacent battery cells 1.

[0062] In this embodiment, as a preferred implementation form, in addition to arranging the first cooling structure composed of the above-mentioned cooling components 3 between the adjacent battery cells 1, a second cooling structure is also arranged on each battery cell 1.

[0063] At this time, the above-mentioned second cooling structure specifically includes a second cooling channel 5 formed inside the battery cell 1, and the cooling medium in the second cooling channel 5 can also exchange heat with the battery cell 1. It can be understood that by arranging the second cooling structure composed of the second cooling channel 5 on the battery cell 1, it can cooperate with the first cooling structure to not only achieve a better cooling effect, but also be able to realize multiple cooling modes through the on-off control of the two cooling structures, and thus can better meet the different cooling requirements of the battery.

[0064] During specific implementation, the above-mentioned second cooling channel 5 can be formed in the housing of the battery cell 1. At the same time, in view of the above-mentioned reverse buckle groove 101 being provided on the side wall of the battery cell 1, for example, the second cooling channel 5 can be located at the top or bottom of the housing of the battery cell 1, and preferably, second cooling channels 5 are provided on both the top and bottom of the housing of the battery cell 1.

[0065] In this embodiment, the above-mentioned second cooling channels 5 located inside the battery cell 1 are preferably designed to be multiple arranged at intervals. In this way, by arranging the second cooling channels 5 at intervals, it can obviously ensure the cooling capacity of the second cooling structure, and the multiple second cooling channels 5 can be, for example, Figure 3 arranged in a line at the top and bottom of the housing of the battery cell 1 as shown in

[0066] Continuing as shown in Figure 1 、 Figure 2 and Figures 6 to 8 shown in

[0067] At this time, each of the above battery cells 1 is located between two cooling chambers 2. Meanwhile, a first cooling chamber 201 and a second cooling chamber 202 are provided in each of the two cooling chambers 2. Among them, the second cooling chambers 202 in the two cooling chambers 2 are communicated with the first cooling channel 301 and used to form a first cooling loop, and the first cooling chambers 201 in the two cooling chambers 2 are communicated with the second cooling channel 5 and used to form a second cooling loop.

[0068] After the two formed cooling loops are connected to an external cooling medium flow and processing (cooling or heating treatment) mechanism, heat exchange cooling of the battery cell 1 can be achieved through the flow of the cooling medium. By providing the above cooling chambers 2 and forming cooling loops between the cooling chambers 2 and the corresponding cooling channels, it can be understood that this can enable the integrated design of the cooling system and the battery cell 1 in this embodiment, which is beneficial to its layout in the battery pack.

[0069] In specific implementation, each of the above cooling chambers 2 can adopt a box structure with a hollow interior. And the cooling chamber 2 and each battery cell 1 can be connected by conventional connection methods such as screwing, welding or bonding. At the same time, to ensure the sealing performance of the connection positions between the above cooling channels and the cooling chambers, a sealing structure such as a sealant or a gasket can also be provided between the cooling chamber 2 and the battery cell 1.

[0070] In addition, still referring to Figures 6 to 8 As shown, as a preferred exemplary implementation form, in specific implementation, the above cooling chamber 2 can be designed as a double-layer structure. And the first cooling chamber 201 in each cooling chamber 2 can be arranged close to the battery cell 1, for example, and the second cooling chamber 202 is located on the side of the first cooling chamber 201 facing away from the battery cell 1. Meanwhile, the above cooling component 3 also passes through the first cooling chamber 201, so that the first cooling channel 301 is communicated with the second cooling chamber 202.

[0071] In this way, by arranging the first cooling chamber 201 close to the battery cell 1, the second cooling chamber 202 on the side of the first cooling chamber 201 facing away from the battery cell, and the cooling component 3 passing through the first cooling chamber 201 to communicate the first cooling channel 301 with the second cooling chamber 202, it is convenient to realize the communication between each cooling channel and the corresponding cooling chamber, and the structure of the cooling chamber 2 can be relatively simple, which is beneficial to design and preparation, and is also beneficial to the assembly between the cooling chamber 2 and the battery cell 1.

[0072] In this embodiment, it should be noted that in addition to providing the above cooling chamber 2, and connecting the cooling channels in the above two cooling structures to the external cooling medium flow and the processing mechanism through the cooling chamber 2. Of course, when the battery structure in this embodiment only includes a plurality of battery cells 1 arranged side by side, it is also possible to connect each cooling channel to the external cooling medium flow and the processing mechanism through corresponding connecting pipelines, as long as it can realize the flow of the cooling medium in the cooling channels.

[0073] In addition, when the adjacent battery cells 1 and the cooling component 3 are connected by a mortise and tenon connection structure as described above, and the mortise and tenon connection structure adopts a dovetail tenon including a reverse buckle groove 101 and a reverse buckle 3a, in addition to Figure 3 as shown, reverse buckle grooves 101 are provided on both side walls of each battery cell 1, it is also possible to Figure 10 as shown in, so that there are no reverse buckle grooves 101 on the outer side walls of the two outermost battery cells 1, which helps to ensure the structural strength of the outer position of the outermost battery cell 1.

[0074] In addition, when a second cooling structure composed of a second cooling channel 5 is provided in the battery cell 1 of this embodiment, it can be understood that in addition to providing the second cooling channel 5 at the top and bottom of the battery cell 1 housing, of course, when the layout requirements of battery accessories in the battery cell 1 are met, for example, it is also possible to Figure 11 as shown in, provide a strengthening partition rib 102 in the battery cell 1, and also form the second cooling channel 5 on the strengthening partition rib 102. The second cooling channel 5 located on the strengthening partition rib 102 only needs to be connected to the first cooling cavity 201 in the cooling chamber 2.

[0075] In this embodiment, it is also worth noting that the above-mentioned battery cell 1 can be a single battery core or a module including a plurality of battery cores. Among them, when the battery cell 1 is a battery core, the cavity Q inside the above-mentioned battery cell 1 is used to accommodate related accessories such as battery positive and negative materials, as well as diaphragms and electrolytes, and its specific structure can refer to the relevant structure of existing power battery cores. When the battery cell 1 is a module, the cavity Q inside the above-mentioned battery cell 1 is used to accommodate the battery cores arranged side by side and other related accessories, and its specific structure can also refer to the module structure in existing power batteries.

[0076] The battery structure of this embodiment adopts the above design. By arranging the cooling components 3 between adjacent battery cells 1 to form a first cooling structure, and making the adjacent battery cells 1 connected together through the cooling components 3. At the same time, a second cooling structure formed by arranging the second cooling channels 5 in each battery cell 1 is also provided. On the one hand, it can realize the cooling of the battery through the heat exchange between the cooling medium in the two cooling structures and the battery cells 1. On the other hand, it can also make each battery cell 1 a whole through the connection between adjacent battery cells 1, which is beneficial to improving the stiffness of the battery pack and has good practicability.

[0077] Moreover, still taking the case where the above two cooling structures are both provided and the cooling chambers 2 are also provided as an example. In specific applications, the first cooling medium inlet 2011 and the first cooling medium outlet 2012 at the two cooling chambers 2, as well as the second cooling medium inlet 2021 and the second cooling medium outlet 2022, can be respectively connected to the corresponding external cooling medium flow and processing mechanisms. At the same time, as a preferred implementation form, for example, the cooling medium in the above first cooling structure can be a coolant (i.e., liquid cooling), while the cooling medium in the above second cooling structure can be air (i.e., air cooling).

[0078] In this way, through the coolant and air in the cooling channels of the two cooling structures, the cooling of the battery cells 1 can be realized. And according to the specific thermal management needs of the battery pack, this embodiment can also realize different cooling modes such as single air cooling, single liquid cooling, and air-cooling and liquid-cooling coupled cooling to meet the cooling requirements of the battery pack.

[0079] Embodiment Two

[0080] This embodiment relates to a battery pack that adopts the battery structure in Embodiment One.

[0081] Among them, in the battery pack of this embodiment, for the adopted battery structure, reference can be made to the relevant introduction in Embodiment One. It should be noted that in the battery pack, according to the number of battery cells 1 arranged side by side in the battery structure, the above battery structure can be set to one or multiple. And in addition to the above battery structure, for the structures such as the power input / output module and the battery management system set in the battery pack, reference can be made to the relevant parts in the existing power battery packs, which will not be elaborated here.

[0082] The battery pack of this embodiment can realize battery cooling by adopting the battery structure in Embodiment One, and at the same time, it is also beneficial to improve the stiffness of the battery pack, which helps to improve the overall quality of the battery pack and has good practicability.

[0083] Embodiment Three

[0084] This embodiment relates to a vehicle, in which the battery pack in Embodiment 2 is provided.

[0085] By setting the battery pack in Embodiment 2, the vehicle in this embodiment can improve the stiffness of the battery pack while achieving battery cooling, which can improve the overall quality of the battery pack and has good practicability.

[0086] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A battery structure, characterized in that: It includes at least two battery cells (1) arranged side by side, and a first cooling structure is provided between adjacent battery cells (1); The first cooling structure includes a cooling component (3) with a first cooling channel (301) formed inside. The cooling medium in the first cooling channel (301) can exchange heat with adjacent battery cells (1), and adjacent battery cells (1) are connected together through the cooling component (3).

2. The battery structure according to claim 1, characterized in that: A mortise and tenon connection structure is formed between the cooling component (3) and adjacent battery cells (1), and the first cooling structure between adjacent battery cells (1) is one or multiple arranged at intervals.

3. The battery structure according to claim 2, characterized in that: After adjacent battery cells (1) are connected through the cooling component (3), they are all abutted together; and / or, A heat-conducting insulating glue (4) is provided between the cooling component (3) and adjacent battery cells (1).

4. The battery structure according to claim 3, characterized in that: The mortise and tenon connection structure adopts a dovetail tenon, and the mortise and tenon connection structure includes an inverted buckle groove (101) provided on the battery cell (1) and an inverted buckle (3a) provided on the cooling component (3).

5. The battery structure according to any one of claims 1 to 4, characterized in that: A second cooling structure is provided on each battery cell (1). The second cooling structure includes a second cooling channel (5) formed inside the battery cell (1). The cooling medium in the second cooling channel (5) can exchange heat with the battery cell (1).

6. The battery structure according to claim 5, characterized in that: The second cooling channels (5) inside the battery cell (1) are multiple and arranged at intervals.

7. The battery structure according to claim 5, characterized in that: The inlets and outlets of the first cooling channel (301) and the second cooling channel (5) are respectively arranged at both ends of the battery cell (1), and the battery structure further includes two cooling chambers (2) arranged opposite to each other; Each battery cell (1) is located between the two cooling chambers (2), and a first cooling cavity (201) and a second cooling cavity (202) are provided in both cooling chambers (2); Wherein, the second cooling cavity (202) in the two cooling chambers (2) is communicated with the first cooling channel (301) and is used to form a first cooling loop, and the first cooling cavity (201) in the two cooling chambers (2) is communicated with the second cooling channel (5) and is used to form a second cooling loop.

8. The battery structure according to claim 7, characterized in that: The first cooling cavity (201) in each cooling chamber (2) is arranged close to the battery cell (1), and the second cooling cavity (202) is located on the side of the first cooling cavity (201) facing away from the battery cell (1); The cooling component (3) passes through the first cooling chamber (201) to connect the first cooling channel (301) with the second cooling chamber (202).

9. A battery pack, characterized in that: The battery pack adopts the battery structure described in any one of claims 1 to 8.

10. A vehicle, characterized in that: The vehicle is provided with the battery pack described in claim 9.

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