Battery module and battery pack

Abstract

The utility model relates to the technical field of battery manufacturing, in particular to a battery module and a battery pack. The battery module comprises a shell, a battery cell and an isolation assembly, a containing cavity is formed in the shell, and the multiple battery cells are arranged in the containing cavity. The isolation assembly comprises a temperature equalizing part, heat conduction reinforcing parts and heat conduction anti-sputtering parts, the two opposite sides of the temperature equalizing part are each connected with one heat conduction reinforcing part, the sides, away from the temperature equalizing part, of the heat conduction reinforcing parts are each connected with one heat conduction anti-sputtering part, and the heat conduction anti-sputtering parts divide the containing cavity into at least two independent cavities; at least one battery cell is arranged in each independent cavity, and the heat-conducting anti-sputtering piece is in contact with at least one side surface of the adjacent battery cell. Through the arrangement of the temperature equalizing part, the heat-conducting reinforcing part and the heat-conducting anti-sputtering part, on one hand, the mechanical strength and rigidity of the battery module can be improved, on the other hand, the spreading of thermal runaway of the battery cells can be controlled, the reliability of thermal runaway protection is improved, and the potential safety hazard is reduced.

Description

Technical Field

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

[0002] With the development of economy and the advancement of science and technology, power batteries are becoming more and more popular. In order to improve the energy density and endurance of power batteries, people in the industry usually need to stack multiple cells to form a battery module.

[0003] The mechanical properties and thermal runaway protection performance of battery modules in the prior art are relatively poor, which not only affects the service life of the battery modules and increases costs, but also brings certain safety hazards to users.

[0004] Therefore, it is urgent to design a battery module and a battery pack to solve the above technical problems. Utility Model Content

[0005] The first purpose of the utility model is to provide a battery module, which has higher mechanical properties and can improve the reliability of thermal runaway protection.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a battery module, comprising:

[0008] A housing having a housing chamber;

[0009] A battery cell, wherein the battery cell is provided in plurality, and the plurality of battery cells are all arranged in the accommodating chamber;

[0010] An isolation component, the isolation component includes a temperature equalizing component, a heat conductive reinforcement component and a heat conductive splash protection component, the temperature equalizing component is connected to two opposite sides thereof with a heat conductive reinforcement component respectively, the heat conductive splash protection component is connected to a side of the heat conductive reinforcement component away from the temperature equalizing component, the heat conductive splash protection component divides the accommodating chamber into at least two independent chambers, each of the independent chambers is provided with at least one battery cell, and the heat conductive splash protection component contacts at least one side of the battery cell adjacent thereto.

[0011] As an optional technical solution for a battery module, a connecting portion extends from the thermally conductive reinforcement member, and the connecting portion is thermally connected to the inner wall of the shell.

[0012] As an optional technical solution for a battery module, a connecting portion extends from two opposite sides of each of the thermally conductive reinforcement members, and the two connecting portions are symmetrically arranged about the axis of the thermally conductive reinforcement member.

[0013] As an optional technical solution for a battery module, the battery module includes at least one set of liquid cooling plates, and the liquid cooling plates are thermally connected to at least one of the temperature equalizing member, the heat conductive reinforcing member, and the heat conductive splash protection member.

[0014] As an optional technical solution for a battery module, the heat-conductive splash-proof component includes a main body having two opposite side surfaces, one of which is connected to the heat-conductive reinforcement component and the other is in contact with the adjacent battery cell.

[0015] As an optional technical solution for a battery module, the liquid cooling plates are arranged in two groups, each of the heat-conductive splash-proof parts comprises two extending parts arranged opposite to each other, and the two extending parts are respectively thermally connected to a group of the liquid cooling plates.

[0016] As an optional technical solution for a battery module, the heat-conductive splash-proof component includes a main body and an extension portion, the main body is connected to the extension portion, the battery cell includes a first side surface and a second side surface adjacent to each other, the main body is in contact with the first side surface, and the extension portion is in contact with the second side surface.

[0017] As an optional technical solution for a battery module, an aerogel is further arranged between the temperature-equalizing member and the thermally conductive reinforcing member, and opposite sides of the aerogel are respectively connected to the temperature-equalizing member and the thermally conductive reinforcing member.

[0018] As an optional technical solution for a battery module, the thermally conductive reinforcement member and the thermally conductive anti-sputtering member are both metal members.

[0019] The second objective of the present utility model is to provide a battery pack, which has high mechanical strength, can slow down or avoid the spread of thermal runaway, and improve safety.

[0020] To achieve this purpose, the utility model adopts the following technical solutions:

[0021] The utility model provides a battery pack, which comprises the battery module mentioned above.

[0022] The beneficial effects of the utility model include at least:

[0023] The utility model provides a battery module, which includes a shell, a battery cell and an isolation component. Among them, the shell has a accommodating chamber. The battery cell is arranged in a plurality, and the plurality of battery cells are arranged in the accommodating chamber. The isolation component includes a temperature-equalizing member, a heat-conducting reinforcement member and a heat-conducting splash-proof member, and the temperature-equalizing member is connected to a heat-conducting reinforcement member on two opposite sides respectively, and the heat-conducting reinforcement member is connected to a heat-conducting splash-proof member on a side away from the temperature-equalizing member, and the heat-conducting splash-proof member divides the accommodating chamber into at least two independent chambers, and at least one battery cell is arranged in each independent chamber, and the heat-conducting splash-proof member is in contact with at least one side of the adjacent battery cell. Through the arrangement of the temperature-equalizing member, the heat-conducting reinforcement member and the heat-conducting splash-proof member, on the one hand, the mechanical strength and rigidity of the battery module can be improved, and on the other hand, the spread of thermal runaway of the battery cell can be controlled, the reliability of thermal runaway protection can be improved, potential safety hazards can be reduced, and safety can be improved.

[0024] In addition, the temperature equalizer can balance the heat, avoid or reduce the thermal runaway caused by the excessive temperature of a certain battery cell or a certain battery cell group, and improve the uniformity of the battery module temperature. When the temperature of a certain battery cell or a certain battery cell group is too high or too low, the heat of the battery cell can be transferred to the thermal reinforcement member through the thermally conductive anti-sputtering member, and then transferred to the temperature equalizer by the thermally conductive reinforcement member. Since the temperature equalizer has the function of equalizing the temperature, the temperature of the battery cells in two adjacent independent chambers can be more balanced. In other words, the temperature of the battery cells in two adjacent independent chambers has a high consistency, which improves the heat transfer capacity of the battery module, improves safety, and reduces the risk of thermal runaway of the battery module.

[0025] The thermally conductive reinforcement member not only has the function of conducting heat, but also has the function of reinforcing to support the thermally conductive anti-sputtering member and improve the stability and reliability of the isolation assembly.

[0026] The provision of the heat-conductive anti-sputtering component can control thermal runaway within the independent chamber, avoid or reduce the impact on the battery cells or battery cell groups in other independent chambers, slow down or avoid the spread of thermal runaway, and thus improve the reliability of thermal runaway protection of the battery module and improve safety.

[0027] The utility model also provides a battery pack, which not only has high mechanical strength, but also can improve the reliability of thermal runaway protection, reduce safety hazards and save costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0029] Figure 1 An exploded view of a battery module provided by an embodiment of the utility model;

[0030] Figure 2 A schematic diagram of the structure of the isolation assembly provided by an embodiment of the utility model;

[0031] Figure 3 A side view of an isolation assembly provided by an embodiment of the utility model;

[0032] Figure 4 A cross-sectional view of a temperature equalizing element provided in an embodiment of the utility model.

[0033] Reference numerals

[0034] 100, shell; 110, accommodating chamber; 200, battery cell; 300, isolation component; 310, temperature equalizing component; 3101, flow channel; 320, thermal conductive reinforcement component; 3201, connecting part; 330, thermal conductive anti-sputtering component; 3301, main body; 3302, extension part; 340, aerogel; 400, cover. DETAILED DESCRIPTION

[0035] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clearly, the technical solutions of the present invention are further explained below with reference to the accompanying drawings and through specific implementation methods.

[0036] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0038] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0039] In the description of this embodiment, unless otherwise specified, the term "plurality" refers to a quantity of two or more than two.

[0040] This embodiment provides a battery module, which has high mechanical properties and can improve the reliability of thermal runaway protection.

[0041] like Figure 1-Figure 3 As shown, the battery module mainly includes a shell 100, a battery cell 200 and an isolation assembly 300. Among them, the shell 100 has a accommodating chamber 110. The battery cell 200 is arranged in a plurality, and the plurality of battery cells 200 are arranged in the accommodating chamber 110. The isolation assembly 300 includes a temperature-averaging member 310, a heat-conducting reinforcement member 320 and a heat-conducting anti-sputtering member 330. The temperature-averaging member 310 is connected to two opposite sides of the heat-averaging member 310, and the heat-conducting reinforcement member 320 is connected to a side away from the temperature-averaging member 310. The heat-conducting anti-sputtering member 330 divides the accommodating chamber 110 into at least two independent chambers, and at least one battery cell 200 is arranged in each independent chamber. The heat-conducting anti-sputtering member 330 contacts at least one side of the battery cell 200 adjacent to it.

[0042] Based on the above design, in this embodiment, the battery cell 200 in this embodiment can be set to multiple, and the isolation component 300 can be set between two adjacent battery cells 200, that is, a battery cell 200 is set in each independent chamber, and the heat-conductive anti-sputtering component 330 is in contact with at least one side of the adjacent battery cell 200, thereby improving the reliability and stability of the thermal runaway protection of the battery cell 200. Of course, the operator can also form a battery cell group with several battery cells, and set an isolation component 300 between two adjacent battery cell groups, thereby improving the energy density of the battery module.

[0043] In the present embodiment, the accommodating chamber 110 is divided into a plurality of independent chambers by a heat-conductive splash-proof member 330, and one or more battery cells 200 may be arranged in each independent chamber. The arrangement of the independent chambers can protect the battery cells 200. That is, when a battery cell 200 or a battery cell group in a certain independent chamber has thermal runaway, the thermal runaway can be controlled within the independent chamber by the arrangement of the heat-conductive splash-proof member 330, thereby avoiding or reducing the impact on the battery cells 200 or battery cell groups in the remaining independent chambers, and slowing down or avoiding the spread of thermal runaway, thereby improving the reliability of thermal runaway protection of the battery module and improving safety.

[0044] Optionally, the heat-conductive anti-sputtering member 330 in this embodiment is heat-conductively connected to the inner wall of the accommodating chamber 110, thereby forming a plurality of independent chambers, and each independent chamber is isolated from each other. Exemplarily, the heat-conductive anti-sputtering member 330 and the inner wall of the accommodating chamber 110 can be welded to improve the reliability and stability of the connection while ensuring heat conduction.

[0045] The temperature equalizer 310 in this embodiment can play a role in heat balance, avoid or reduce the risk of thermal runaway caused by excessive temperature of a certain battery cell 200 or a certain battery cell group, and improve the uniformity of the temperature of the battery module. Specifically, the two sides of the heat-conducting reinforcement member 320 in this embodiment are thermally connected to the heat-conducting anti-sputtering member 330 and the temperature equalizer 310 respectively, so that the heat of the battery cell 200 can be transferred to the heat-conducting reinforcement member 320 through the heat-conducting anti-sputtering member 330, and then transferred to the temperature equalizer 310 by the heat-conducting reinforcement member 320. Since the temperature equalizer 310 has the function of equalizing temperature, the temperature between two adjacent battery cells 200 or battery cell groups can be more uniform. In other words, the temperature of multiple battery cells 200 or battery cell groups has a higher consistency, that is, the temperature of multiple battery cells 200 or battery cell groups can be more balanced, the heat transfer capacity of the battery module is improved, and the safety is improved.

[0046] The thermally conductive reinforcement member 320 in this embodiment not only has a heat conductive function, but also has a reinforcement function to support the thermally conductive anti-sputtering member 330 and improve the stability and reliability of the isolation assembly 300 .

[0047] Optionally, the thermally conductive reinforcement member 320 and the thermally conductive anti-splashing member 330 in this embodiment are both made of metal material, which can improve the mechanical strength of the isolation assembly 300, thereby improving the mechanical properties of the battery module and extending the service life.

[0048] Optionally, the battery cell 200 or the battery cell group in this embodiment is fixedly connected to the inner wall of the shell 100 by laser welding, thereby preventing the battery cell 200 or the battery cell group from shaking or shifting during use of the battery module.

[0049] Optionally, the thermally conductive reinforcement member 320 in this embodiment is thermally connected to the inner wall of the shell 100, so that when the temperature of the battery cell 200 is high, especially when there is a risk of thermal runaway or thermal runaway occurs, the heat of the battery cell 200 can be transferred to the thermally conductive reinforcement member 320 through the shell 100, and then transferred to the temperature equalizing member 310, thereby reducing the temperature of the battery cell 200 or the battery cell group in the independent chamber and improving safety performance.

[0050] The temperature equalizer 310 in this embodiment not only has the above-mentioned temperature equalization function to achieve heat balance, but also has the functions of heat dissipation and heat conduction. For example, when the temperature equalizer 310 is a heat conducting plate, the temperature equalizer 310 has the function of temperature equalization, thereby improving the uniformity of the temperature of the battery cell 200 or battery cell group in the battery module.

[0051] Specifically, Figure 4 As shown, when a flow channel 3101 for the circulation of a heat-conducting medium is provided inside the temperature-equalizing element 310, and a suitable heat-conducting medium is selected, it can play a role in heat dissipation and / or heating, and at the same time can enhance the temperature-equalizing effect. Taking the heat-conducting plate described here as an example, the working medium inside it can be a phase change material, which absorbs or releases heat when a phase change occurs, thereby regulating the temperature of the battery cell 200 or the battery cell group; or a heat-conducting medium with a lower temperature or a heat-conducting medium with a higher temperature is introduced as needed, and the temperature of the battery cell 200 or the battery cell group is regulated by the heat-conducting medium, so as to achieve the heat dissipation and heat conduction effect of the temperature-equalizing element 310.

[0052] In addition, the flow channel 3101 for the circulation of the heat conducting medium can achieve further balance of heat on the temperature equalizer 310, which can further improve the heat dissipation and heat conduction effect of the battery module. The setting of the flow channel 3101 can increase the heat exchange area of ​​the temperature equalizer 310, thereby improving the heat transfer effect, and can quickly disperse the local high temperature or local low temperature inside the battery cell 200, realize the heat dissipation and heat conduction effect of the temperature equalizer 310, and then improve the reliability of thermal runaway protection.

[0053] For example, the flow channel 3101 in this embodiment can be set to an S-shape or a fold line shape. Of course, the operator can also set the flow channel 3101 to other shapes according to actual needs, which will not be described here one by one.

[0054] like Figure 2-Figure 3 As shown, in this embodiment, a connection portion 3201 extends from the heat conductive reinforcement member 320, and the connection portion 3201 is heat conductively connected to the inner wall of the housing 100. The provision of the connection portion 3201 can improve the reliability and stability of the connection between the heat conductive reinforcement member 320 and the inner wall of the housing 100, realize the fixed connection between the isolation assembly 300 and the housing 100, and further enable the isolation assembly 300 to be firmly fixed in the housing 100, thereby improving reliability and stability and avoiding unstable phenomena such as shaking during use.

[0055] Optionally, the connection portion 3201 and the housing 100 may be fixedly connected by ultrasonic welding, thermal conduction welding or laser welding.

[0056] Furthermore, in this embodiment, a connection portion 3201 extends from two opposite sides of each heat conductive reinforcement member 320, and the two connection portions 3201 are symmetrically arranged about the axis of the heat conductive reinforcement member 320. The two symmetrically arranged connection portions 3201 can improve the stability and reliability of the isolation assembly 300 in the accommodating chamber 110, avoid the phenomenon of local stress concentration in the isolation assembly 300, and improve the safety performance.

[0057] In some embodiments, the battery module includes at least one group of liquid cooling plates, which are thermally connected to at least one of the temperature equalizer 310, the heat-conducting reinforcement member 320, and the heat-conducting splash-proof member 330. In this way, the heat of the battery cell 200 or the battery cell group in the independent chamber can be transferred to the isolation assembly 300, and then this part of the heat is transferred to the liquid cooling plate through the isolation assembly 300, thereby achieving heat dissipation for the battery cell 200 and reducing or avoiding the thermal runaway of the battery module.

[0058] Furthermore, if Figure 2 As shown, the thermally conductive anti-sputtering component 330 includes a main body 3301, and the main body 3301 has two opposite side surfaces, one of which is connected to the thermally conductive reinforcement 320, and the other side is in contact with the adjacent battery cell 200, so that the heat of the battery cell 200 can pass through the main body 3301 and then be transferred to the thermally conductive reinforcement 320, thereby improving the heat transfer effect of the thermally conductive anti-sputtering component 330.

[0059] Both sides of the heat-conducting reinforcement member 320 in this embodiment are bonded and connected to the heat-conducting anti-sputtering member 330 and the temperature-averaging member 310 by using heat-conducting adhesive, so as to improve the stability and reliability of the isolation assembly 300 .

[0060] Furthermore, the liquid cooling plates in this embodiment can be arranged in two groups, and each heat-conducting anti-splashing member 330 includes two extensions 3302 arranged opposite to each other, and the two extensions 3302 are respectively connected to a group of liquid cooling plates for thermal conduction. The arrangement of the extensions 3302 can increase the contact area between the heat-conducting anti-splashing member 330 and the liquid cooling plate, thereby improving the reliability of the heat-conducting connection between the heat-conducting anti-splashing member 330 and the liquid cooling plate, thereby ensuring the heat transfer efficiency of the heat-conducting anti-splashing member 330, improving the heat transfer efficiency, and reducing or avoiding the risk of thermal runaway of the battery module.

[0061] In some embodiments, the thermally conductive anti-sputtering component 330 includes a main body 3301 and an extension portion 3302, the main body 3301 is connected to the extension portion 3302, the battery cell 200 includes a first side surface and a second side surface adjacent to each other, the main body 3301 is in contact with the first side surface, and the extension portion 3302 is in contact with the second side surface, thereby increasing the contact area between the thermally conductive anti-sputtering component 330 and the battery cell 200 and improving the heat transfer efficiency.

[0062] Optionally, the main body 3301 and the extension portion 3302 are integrally formed, thereby improving the mechanical strength of the heat-conductive splash-proof component 330 , while improving processing efficiency and saving costs.

[0063] Optionally, the angle between the extension portion 3302 and the main body 3301 in this embodiment is 90°, so that the extension portion 3302 can be as close to the second side of the battery cell 200 as possible, thereby improving the heat transfer efficiency, while also saving space in the shell 100 and improving the energy density of the battery module.

[0064] like Figure 2-Figure 3 As shown, in this embodiment, aerogel 340 is further arranged between the temperature-equalizing member 310 and the heat-conducting reinforcing member 320, and opposite sides of the aerogel 340 are respectively bonded to the temperature-equalizing member 310 and the heat-conducting reinforcing member 320. The arrangement of the aerogel 340 can effectively isolate the heat transfer between the battery cells 200 or battery cell groups in two adjacent independent chambers, thereby reducing the risk of thermal runaway of the battery module; at the same time, the aerogel 340 has good flame retardancy and buffering properties, thereby enhancing the shockproof and fireproof properties of the battery module.

[0065] Optionally, the aerogel 340 in this embodiment can be configured as silica aerogel or other inorganic aerogels.

[0066] Optionally, the housing 100 in this embodiment is made of metal material by laser welding to improve mechanical properties. For example, it can be made of stainless steel or aluminum alloy.

[0067] Furthermore, the battery module in this embodiment further includes a cover 400, the housing 100 has an opening, and the cover 400 covers the opening of the housing 100 and is fixedly connected to the housing 100. Exemplarily, the cover 400 and the housing 100 can be fixed with rivets to improve the reliability and stability of the connection between the two and extend the service life.

[0068] Optionally, the heat conductive reinforcement member 320 and the heat conductive anti-splashing member 330 in this embodiment are both metal members, which can not only improve the mechanical strength of the isolation assembly 300, but also the metal material has good heat transfer performance, which is beneficial to the heat dissipation of the battery cell 200 and improves the reliability of thermal runaway protection. Exemplarily, the heat conductive reinforcement member 320 and the heat conductive anti-splashing member 330 in this embodiment can be made of metal materials such as stainless steel and aluminum alloy.

[0069] The assembly process of the battery module in this embodiment is as follows:

[0070] The heat-conductive anti-sputtering component 330, the heat-conductive reinforcement component 320 and the temperature equalizing component 310 are bonded together by heat-conductive glue to form an isolation component 300, and then a plurality of battery cells 200 and a plurality of isolation components 300 are alternately stacked together, and then the battery cells 200 and the isolation components 300 are respectively welded to the inner wall of the shell 100 by laser welding, and finally the cover body 400 is covered on the shell 100 and fixed by rivets, and the battery module is assembled.

[0071] This embodiment also provides a battery pack, which includes the above-mentioned battery module. The battery pack has high mechanical strength, can slow down or avoid the spread of thermal runaway, and improve safety.

[0072] Obviously, the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

[0073] Note that in the description of this specification, the reference terms "some embodiments", "other embodiments", etc., mean 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.

Claims

1. A battery module, characterized in that: include: A housing (100), wherein the housing (100) has a containing chamber (110); A battery cell (200), wherein the battery cell (200) is provided in plurality, and the plurality of battery cells (200) are all arranged in the accommodating chamber (110); An isolation component (300), the isolation component (300) comprising a temperature equalizing component (310), a heat conductive reinforcement component (320) and a heat conductive splash-proof component (330), the temperature equalizing component (310) being connected to two opposite sides of each other with a heat conductive reinforcement component (320), the heat conductive splash-proof component (330) being connected to a side of the heat conductive reinforcement component (320) away from the temperature equalizing component (310), the heat conductive splash-proof component (330) dividing the accommodating chamber (110) into at least two independent chambers, each of the independent chambers being provided with at least one battery cell (200), and the heat conductive splash-proof component (330) being in contact with at least one side of an adjacent battery cell (200).

2. The battery module according to claim 1, characterized in that: A connecting portion (3201) extends from the heat-conducting reinforcement member (320), and the connecting portion (3201) is heat-conductingly connected to the inner wall of the shell (100).

3. The battery module according to claim 2, characterized in that: One connecting portion (3201) extends from two opposite sides of each of the heat-conducting reinforcement members (320), and the two connecting portions (3201) are symmetrically arranged about the axis of the heat-conducting reinforcement member (320).

4. The battery module according to claim 1, characterized in that: The battery module comprises at least one group of liquid cooling plates, and the liquid cooling plates are thermally connected to at least one of the temperature equalizing member (310), the heat conductive reinforcing member (320) and the heat conductive anti-sputtering member (330).

5. The battery module according to claim 4, characterized in that: The heat-conductive anti-sputtering component (330) comprises a main body (3301), wherein the main body (3301) has two opposite side surfaces, one of which is connected to the heat-conductive reinforcement component (320), and the other is in contact with the adjacent battery core (200).

6. The battery module according to claim 5, characterized in that: The liquid cooling plates are arranged in two groups, each of the heat-conducting anti-splashing components (330) comprises two extending portions (3302) arranged opposite to each other, and the two extending portions (3302) are respectively heat-conductingly connected to one group of the liquid cooling plates.

7. The battery module according to claim 1, characterized in that: The heat-conductive anti-sputtering component (330) comprises a main body (3301) and an extension portion (3302), wherein the main body (3301) is connected to the extension portion (3302), and the battery cell (200) comprises a first side surface and a second side surface adjacent to each other, wherein the main body (3301) is in contact with the first side surface, and the extension portion (3302) is in contact with the second side surface.

8. The battery module according to claim 1, characterized in that: An aerogel (340) is further arranged between the temperature-equalizing member (310) and the thermally conductive reinforcing member (320), and opposite sides of the aerogel (340) are respectively connected to the temperature-equalizing member (310) and the thermally conductive reinforcing member (320).

9. The battery module according to any one of claims 1 to 8, characterized in that: The heat-conducting reinforcement member (320) and the heat-conducting anti-sputtering member (330) are both metal members.

10. A battery pack, characterized in that: The battery pack comprises the battery module according to any one of claims 1 to 9.

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