Battery pack and battery pack

Abstract

The utility model discloses a battery pack which comprises a battery row unit, and the battery row unit is provided with a plurality of battery cells which are arranged in an arrayed manner; the heat exchange element is arranged in a manner of extending along a first direction, the first direction is the arrangement direction of the plurality of battery cells, and the heat exchange element is used for cooling each battery cell; the heat supply element is mounted on the heat exchange element, the heat supply element is in contact with each battery cell in an attached manner, and the heat supply element is used for heating each battery cell. Meanwhile, the utility model further discloses a battery pack applying the battery pack, and the purpose of quickly adjusting the temperature of the battery cells to be within the optimal temperature range is achieved on the premise of simplifying the structure.

Description

Technical Field

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

[0002] Power batteries usually generate a lot of heat during the charging and discharging process. In order not to affect the overall performance of the power battery, cooling technology is a very important link, and the temperature management of the power battery is the core goal of cooling technology.

[0003] Existing cooling technologies primarily use air cooling and liquid cooling to control the temperature of power batteries. Air cooling, however, utilizes forced convection to dissipate heat. However, due to air's low thermal conductivity and small heat capacity, air cooling is ineffective and has been gradually phased out of new energy vehicles. Liquid cooling, on the other hand, utilizes liquid circulation to evenly dissipate heat, making it suitable for long-term operation and precise temperature control, while offering increased safety. However, liquid cooling systems are complex in structure, require numerous components, and are expensive, making them difficult to meet the increasingly stringent cost reduction requirements. Utility Model Content

[0004] In order to overcome at least one of the defects of the prior art described above, the present invention provides a battery pack and a battery package, which can achieve the purpose of quickly adjusting the battery cells to an optimal temperature range while simplifying the structure.

[0005] The technical solution adopted by the present invention to solve the problem is:

[0006] A battery pack comprising:

[0007] A battery row unit, wherein the battery row unit has a plurality of arranged battery cells;

[0008] a heat exchange element, the heat exchange element extending along a first direction, the first direction being the arrangement direction of the plurality of battery cells, the heat exchange element being used to cool each of the battery cells;

[0009] A heating element is installed on the heat exchange element and is in close contact with each of the battery cells. The heating element is used to heat each of the battery cells.

[0010] In some embodiments of the present invention, the heating element includes a plurality of heating units and a conductive unit fixedly connected between two adjacent heating units, and each of the heating units is in contact with a corresponding battery cell.

[0011] In some embodiments of the present invention, the heating unit is a heating wire or a heating tube, and the heating unit extends back and forth along the height direction H of the battery core.

[0012] In some embodiments of the present invention, the battery cell is a cylindrical battery, and a plurality of heat exchange stations are formed on the heat exchange element. The shape and size of each heat exchange station are adapted to the shape and size of each battery cell. Each battery cell is embedded in a corresponding heat exchange station, and each heat exchange station is equipped with the heating unit.

[0013] In some embodiments of the present invention, the heat exchange element is a serpentine tubular structure, the heating element is a membrane structure, and the heating element is cooperatively arranged on the side of the heat exchange element.

[0014] In some embodiments of the present invention, the heating element is adhered to the side of the heat exchange element, wherein the serpentine corrugated concave surface of the heat exchange element constitutes the heat exchange station, the heating unit is arranged in the serpentine corrugated concave surface of the heat exchange element, and the conductive unit spans the serpentine corrugated convex surface of the heat exchange element to connect two adjacent heating units.

[0015] In some embodiments of the present invention, a thermally conductive adhesive is provided between the battery core and the heating unit.

[0016] In some embodiments of the present invention, the heat exchange element and the heat supply element are arranged on at least one side of the battery row unit.

[0017] In some embodiments of the present invention, several battery row units, several heat exchange elements, and several heating elements are arranged side by side, wherein the number of the battery row units is equal to the number of the heating elements, the number of the battery row units is twice the number of the heat exchange elements, and one heating element and one battery row unit are arranged on opposite sides of each heat exchange element.

[0018] In some embodiments of the present invention, several battery row units, several heat exchange elements, and several heating elements are arranged side by side, wherein the number of the heating elements is twice the number of the battery row units, the number of the heat exchange elements is one more than the number of the battery row units, the heat exchange elements and the battery row units are arranged alternately in sequence, and a heating element is arranged on opposite sides of each battery row unit.

[0019] In some embodiments of the present invention, a refrigeration component and a heating component are further included, and several of the heat exchange elements are connected to the refrigeration component, and several of the heating elements are connected to the heating component.

[0020] In some embodiments of the present invention, the battery pack further includes a foam colloid, which is filled between two adjacent battery cells and covers at least a portion of the battery cells.

[0021] The utility model also discloses a battery pack, comprising the above-mentioned battery pack.

[0022] In summary, the battery pack and battery package provided by the present invention have the following technical effects:

[0023] The heat exchange element can be used to directly cool the battery cell with a refrigerant, and the heating element can be used to directly heat the battery cell. This not only effectively improves the heat exchange efficiency of the battery cell, but also enables the battery cell to be quickly adjusted to the optimal temperature range under high or low temperature conditions, keeping the battery cell at its best performance. The overall structure is simple and easy to assemble, thus effectively solving the problems of complex structure, many parts and high cost caused by the existing liquid cooling system. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a diagram of the overall assembly structure of a battery pack of the present utility model;

[0025] Figure 2 This is a first partial assembly diagram of a battery pack of the present invention;

[0026] Figure 3 This is a second partial assembly diagram of a battery pack according to the present invention;

[0027] Figure 4 This is a third partial assembly diagram of a battery pack of the present invention;

[0028] Figure 5 This is a fourth partial assembly diagram of a battery pack according to the present invention;

[0029] Figure 6 This is a schematic diagram of the overall structure of the refrigeration component in the present utility model.

[0030] Icon: 1-battery row unit, 11-battery cell, 2-heat exchange element, 21-heat exchange station, 22-input end, 23-output end, 24-heat exchange body, 3-heating element, 31-heating unit, 32-conductive unit, 4-refrigeration component, 41-input plug connector, 42-output plug connector, 43-input external pipe, 44-output external pipe, 5-heating component, 51-conductive connector, 52-connecting conductive head, 53-connector terminal. DETAILED DESCRIPTION

[0031] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0032] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0034] Please combine the specific Figure 1 and Figure 2 As shown, the present invention discloses a battery pack, including a battery row unit 1, a heat exchange element 2 and a cooling assembly 4. The battery row unit 1 has a plurality of arranged battery cells 11. The battery cells 11 here are preferably cylindrical batteries. Of course, the battery cells 11 can also be square batteries. Each battery cell 11 has a positive terminal surface, a negative terminal surface and a peripheral curved surface located between the positive terminal surface and the negative terminal surface. The positive terminal surface is the side of the battery cell 11 provided with a positive electrode current collector, and the negative terminal surface is the side of the battery cell 11 provided with a negative electrode current collector. The positive terminal surface and the negative terminal surface are both connected to the peripheral curved surface. The height direction H of the battery cell 11 is the direction of the battery cell 11 extending from the negative terminal surface along the axis thereof toward the positive terminal surface.

[0035] For further details, please refer to Figures 1 to 4 As shown, the heat exchange element 2 extends along a first direction, which is the arrangement direction of the plurality of battery cells 11. Specifically, the heat exchange element 2 includes a heat exchanger body 24 extending along the first direction. The heat exchanger body 24 is provided with a fluid channel for circulating the refrigerant. The heat exchanger body 24 is also provided with a heat exchange wall for contacting the peripheral curved surface of the battery cell 11. When the battery cell 11 is in a charging or discharging state for a long time, or when the battery cell 11 triggers thermal runaway, the temperature of the battery cell 11 is high, resulting in a temperature difference between the refrigerant and the battery cell 11. A large amount of heat is transferred from the higher temperature peripheral curved surface to the lower temperature heat exchange wall, achieving heat exchange between the battery cell 11 and the refrigerant in the fluid channel through the heat exchange wall. Ultimately, the refrigerant carries a large amount of heat out of the heat exchanger body 24, achieving heat dissipation for the battery cell 11.

[0036] In this embodiment, the fluid channel extends back and forth in a circuitous manner along the height direction H of the battery cell 11. That is, the fluid channel includes a plurality of independently arranged horizontal flow channels distributed side by side along the height direction H of the battery cell 11, and a transition flow channel that connects two adjacent horizontal flow channels end to end. The independent arrangement here means that the refrigerant in each horizontal flow channel does not interfere with the refrigerant in other horizontal flow channels, so that the refrigerant maintains a stable flow in the corresponding horizontal flow channel. The extension direction of each fluid channel is consistent with the first direction.

[0037] In this way, after the refrigerant flows into the fluid channel, it not only cools the several battery cells 11 of the battery row unit 1 one by one along the first direction, but also flows from top to bottom or from bottom to top along the height direction H of the battery cell 11, which is equivalent to the refrigerant flowing from bottom to top or from top to bottom along the height direction H of the battery cell 11, which greatly increases the heat exchange time between the refrigerant and the battery cell 11, thereby effectively improving the utilization rate of the refrigerant.

[0038] In addition, please combine Figure 2 、 Figure 3 and Figure 4 As shown, in order to increase the contact area between the circumferential curved surface of the battery cell 11 and the heat exchange wall of the heat exchanger body 24, the large amount of heat released by the battery cell 11 can be more promptly, efficiently and quickly transferred to the refrigerant in the fluid channel. A plurality of heat exchange stations 21 are formed on the heat exchanger body 24 of the heat exchanger element 2. The plurality of heat exchange stations 21 are evenly arranged along the first direction. The shape and size of each heat exchange station 21 are adapted to the shape and size of each battery cell 11, that is, each heat exchange station 21 is in the shape of an arc groove adapted to the battery cell 11. More preferably, the heat exchanger element 2 is in a serpentine tubular structure. In this case, the serpentine corrugated concave surface of the heat exchanger element 2 constitutes the heat exchange station 21, that is, the heat exchange station 21 in the shape of an arc groove is the serpentine corrugated concave surface of the heat exchanger element 2. Each battery cell 11 is embedded in the corresponding heat exchange station 21, thereby greatly improving the heat dissipation efficiency of the battery cell 11.

[0039] In this way, the cooperation between the direct cooling of the refrigerant, the heat exchange station 21 and the reciprocating and circuitous extending fluid channel enables the heat of the environment in which the battery pack is located and the large amount of heat released by the battery cell 11 to be quickly absorbed and discharged in time. Compared with liquid cooling and air cooling, the heat exchange efficiency is higher, and it can effectively ensure the performance, service life and safety of the battery cell 11.

[0040] Further, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 6As shown, the heat exchange element 2 has an input end 22 and an output end 23. The input end 22 is connected to one end of the fluid channel, and the output end 23 is connected to the other end of the fluid channel. The above-mentioned refrigeration assembly 4 includes an input plug connector 41, an output plug connector 42, an input external pipe 43, and an output external pipe 44. The input external pipe 43 is connected to the input plug connector 41, and the output external pipe 44 is connected to the output plug connector 42. The input plug connector 41 is fixedly connected to the input end 22 of the heat exchange element 2, and the output plug connector 42 is fixedly connected to the output end 23 of the heat exchange element 2, thereby achieving the purpose of connecting the refrigeration assembly 4 to the heat exchange element 2.

[0041] In this way, the external refrigerant will flow through the input plug connector 41 under the guidance of the input external pipe 43 of the refrigeration component 4 and then be input into the fluid channel. The refrigerant carries a large amount of heat released by each battery cell 11 and then flows through the output plug connector 42 to be transported to the output external pipe 44 of the refrigeration component 4. Under the action of the output external pipe 44, it is guided out of the battery pack, thereby achieving the purpose of the refrigeration component 4 cooperating with the heat exchange element 2 to exchange heat with each battery cell 11. The structure is simple, and the flow path of the refrigerant is clear and concise, which is convenient for subsequent maintenance and inspection.

[0042] Preferably, both the input connector 41 and / or the output connector 42 are SAE quick-connect connectors. SAE quick-connect connectors are mature and conform to the same standards, reducing component replacement costs. Furthermore, the input connector 41 is detachably connected to the input end 22 of the heat exchange element 2, and the output connector 42 is detachably connected to the output end 23 of the heat exchange element 2. This simplifies assembly and disassembly, facilitates subsequent replacement, and significantly reduces maintenance costs.

[0043] It should be noted that battery row units 1 are preferably disposed on both opposite sides of the heat exchange element 2, which not only helps to further improve the heat exchange efficiency of the heat exchange element 2 and the battery pack, but also improves the utilization rate of the refrigerant.

[0044] The core solution of this embodiment is to Figure 2 As shown, the battery pack also includes a heating element 3 and a heating component 5. The heating element 3 is installed on the heat exchange element 2, and the heating element 3 is in contact with each battery cell 11. The heating component 5 is connected to the heating element 3. When the ambient temperature of the battery cell 11 decreases, the heating component 5 cooperates with the heating element 3 to provide heat to each battery cell 11, so that the battery cell 11 can still be in a more suitable operating temperature range and maintain the best operating state and performance.

[0045] Specifically, please follow Figure 5As shown, the above-mentioned heating element 3 includes a plurality of heating units 31 and a conductive unit 32 fixedly connected between two adjacent heating units 31. The conductive unit 32 realizes the series connection of the plurality of heating units 31. Each heating unit 31 is in contact with the corresponding battery cell 11. When powered on, the heating unit 31 converts electrical energy into thermal energy, and the released thermal energy is conducted to the battery cell 11, thereby adjusting the temperature of each battery cell 11 to be restored to an appropriate temperature range.

[0046] As a preferred method of this embodiment, please refer to Figure 5 As shown, the heating unit 31 is a heating wire or a heating tube, and the heating unit 31 extends back and forth along the height direction H of the battery cell 11, so that the heating unit 31 can evenly provide heat to the peripheral curved surface of the battery cell 11. The conductive unit 32 includes a first conductor and a second conductor arranged opposite each other. The first conductor is fixedly connected to one end of the heating unit 31 or a position close to one end, and the second conductor is fixedly connected to the other end of the heating unit 31 or a position close to the other end. The fixed connection here is preferably a welding connection, and of course, it can also be integrally formed.

[0047] That is to say, the heating element 3 itself can generate heat to heat the battery core 11, and the heating component 5 at this time plays the function of providing electrical energy.

[0048] In other preferred embodiments, the heating element 3 can also be a heat-conducting structure, and the heating component 5 is a structure that generates heat. For example, the heating component 5 provides a thermal fluid, and the thermal fluid heats the battery cell 11 through the heating element 3 .

[0049] Preferably, each heating unit 31 is disposed in a corresponding heat exchange station 21, so that when the battery cell 11 is embedded in the heat exchange station 21, the heating unit 31 is sandwiched and fixed between the battery cell 11 and the heat exchange station 21. To improve the installation stability of the heating unit 31, a thermally conductive adhesive is provided between the battery cell 11 and the heating unit 31.

[0050] In this way, the heat supply unit 31 is firmly bonded to the peripheral curved surface of the battery cell 11 by using thermally conductive adhesive. At the same time, it is also beneficial to spread the heat released by the heat supply unit 31 more evenly to the peripheral curved surface of the battery cell 11, thereby improving the uniformity and heating efficiency of heating, and ensuring that the peripheral curved surface of the battery cell 11 can be stably fitted and contacted with the heat exchange station 21, thereby ensuring that the heat released by the battery cell 11 can be stably conducted to the refrigerant.

[0051] In addition, the battery pack also includes a foam colloid that is filled between two adjacent battery cells 11 and covers at least a portion of the battery cells 11, making the battery pack assembly more solid and compact. At the same time, it can also effectively prevent the risk of dry burning of the heating unit 31.

[0052] Further, please refer to Figure 2 and Figure 5 As shown, the heat exchange element 2 has a serpentine tubular structure, and the heating element 3 has a membrane structure, and the heating element 3 is cooperatively arranged on the side of the heat exchange element 2. More preferably, the heating element 3 is adhered to the side of the heat exchange element 2 and serpentine-bent along with the heat exchange element 2, wherein the serpentine corrugated concave surface of the heat exchange element 2 constitutes the heat exchange station 21, the heating unit 31 is arranged within the serpentine corrugated concave surface of the heat exchange element 2, and the conductive unit 32 spans the serpentine corrugated convex surface of the heat exchange element 2 to connect two adjacent heating units 31. Such an arrangement can very effectively ensure that the heating unit 31 and the serpentine corrugated concave surface of the heat exchange element 2 are stably attached, and can effectively contact the heating unit 31 and the battery cell 11, thereby well ensuring the maximum heating rate of the entire battery pack.

[0053] It should be noted that the heating element 3 can also be arranged on the side of the heat exchange element 2 by other methods such as snap-in, plug-in, etc., and the installation method of the heating element 3 is not limited here.

[0054] As a preferred method of this embodiment, please refer to Figures 1 to 4 As shown, the heating component 5 includes a conductive connector 51 and a plug-in conductive head 52 electrically connected to the conductive connector 51. The conductive connector 51 is arranged at the end of the heat exchange element 2, as shown in FIG. Figure 4 As shown, the conductive connector 51 preferably has a U-shaped structure and can be plugged into the end of the heat exchanger body 24, allowing for secure installation and preventing the risk of short circuits. In addition to plugging, the conductive connector 51 can also be snap-fitted to the end of the heat exchanger body 24, bonded to the end of the heat exchanger body 24, or secured to the end of the heat exchanger body 24 via fasteners. The conductive connector 51 is electrically connected to the heating unit 31.

[0055] It can be understood that the plug-in conductive head 52 has a positive conductive head and a negative conductive head, and the positive conductive head and the negative conductive head are both electrically connected to the relay, and the relay is used to control the on-off state of the circuit where the heating component 5 is located.

[0056] In this embodiment, the arrangement of the battery row unit 1, the heat exchange element 2, and the heating element 3 can be at least one of the following two arrangements:

[0057] (1) The heat exchange element 2 and the heat supply element 3 are arranged only on one side of the battery row unit 1;

[0058] (2) Heat exchange elements 2 and heat supply elements 3 are arranged on opposite sides of the battery row unit 1.

[0059] As a specific example of the above solution (1), please refer to Figure 1 and Figure 2 As shown, the battery pack includes a plurality of battery row units 1, a plurality of heat exchange elements 2, and a plurality of heating elements 3 arranged side by side, wherein the number of battery row units 1 is equal to the number of heating elements 3, and the number of battery row units 1 is twice the number of heat exchange elements 2. A heating element 3 and a battery row unit 1 are arranged on opposite sides of each heat exchange element 2. Figure 3 That is to say, two adjacent battery row units 1 arranged side by side are combined into a battery module, each battery module is equipped with a heat exchange element 2 and two heating elements 3, and the heat exchange element 2 is sandwiched between two adjacent battery row units 1 arranged side by side. Then, the two adjacent heat exchange elements 2 are distributed with two rows of battery row units 1 between them, thereby effectively improving the density of the battery pack.

[0060] As a specific example of the above-mentioned scheme (two), the battery pack includes a plurality of battery row units 1 arranged side by side, a plurality of heat exchange elements 2, and a plurality of heating elements 3, wherein the number of heating elements 3 is twice the number of battery row units 1, the number of heat exchange elements 2 is one more than the number of battery row units 1, the heat exchange elements 2 and the battery row units 1 are arranged alternately in sequence, and a heating element 3 is arranged on both opposite sides of each battery row unit 1, that is, in the battery pack, two heat exchange elements 2 are located on the outermost side, and the heat exchange element 2 located on the outermost side has a heating element 3 and a battery row unit 1 arranged therein only, while heating elements 3 are arranged on both opposite sides of the other heat exchange elements 2, so that each two adjacent battery row units 1 arranged side by side are equipped with a heat exchange element 2, so that the heat accumulation area in the middle of the battery pack can be fully adjusted, thereby better ensuring that each battery cell 11 can be adjusted more timely and efficiently.

[0061] Based on the aforementioned plurality of heat exchange elements 2, preferably, the refrigeration assembly 4 connects the plurality of heat exchange elements 2 in parallel. In this case, the refrigeration assembly 4 also includes a plurality of input connectors 41 and a plurality of output connectors 42. All input connectors 41 are connected to the input external pipe 43, and all output connectors 42 are connected to the output external pipe 44. Each input connector 41 is fixedly connected to the input end 22 of a heat exchange element 2, and the first output connector 42 is fixedly connected to the output end 23 of a heat exchange element 2. In other preferred embodiments, the refrigeration assembly 4 can also connect the plurality of heat exchange elements 2 in series. In this case, two adjacent heat exchange elements 2 can be connected in series via an intermediate pipe, with the input connector 41 connected to the input end 22 of one outer heat exchange element 2, and the output connector 42 connected to the input end 22 of the other outer heat exchange element 2.

[0062] Based on the aforementioned plurality of heating elements 3, preferably, the heating assembly 5 connects the plurality of heating elements 3 in series. In this case, two adjacent heating elements 3 are connected in series via connector terminals 53, and the positive conductive head of the plug-in conductive head 52 is electrically connected to the conductive connector 51 on one of the outer heating elements 3, while the negative conductive head of the plug-in conductive head 52 is electrically connected to the conductive connector 51 on the other outer heating element 3. In other preferred embodiments, the heating assembly 5 can also connect the plurality of heating elements 3 in parallel by changing the electrical connection routing accordingly, which will not be described in detail here.

[0063] Based on the structure and connection relationship of the above-mentioned battery pack, a battery pack is also disclosed, which includes the above-mentioned battery pack.

[0064] The technical means disclosed in the present invention are not limited to those disclosed in the above-mentioned embodiments, but also include technical solutions composed of any combination of the above-mentioned technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A battery pack, characterized in that: include: A battery row unit (1), wherein the battery row unit (1) has a plurality of arranged battery cells (11); A heat exchange element (2), the heat exchange element (2) extending along a first direction, the first direction being the arrangement direction of the plurality of battery cores (11), the heat exchange element (2) being used to cool each of the battery cores (11); A heating element (3) is installed on the heat exchange element (2), and the heating element (3) is in close contact with each of the battery cells (11), and the heating element (3) is used to heat each of the battery cells (11).

2. The battery pack according to claim 1, wherein: The heating element (3) comprises a plurality of heating units (31) and a conductive unit (32) fixedly connected between two adjacent heating units (31), and each heating unit (31) is in close contact with a corresponding battery core (11).

3. The battery pack according to claim 2, wherein: The heating unit (31) is a heating wire or a heating tube, and the heating unit (31) extends back and forth in a circuitous manner along the height direction H of the battery core (11).

4. The battery pack according to claim 2, wherein: The battery cell (11) is a cylindrical battery. A plurality of heat exchange stations (21) are formed on the heat exchange element (2). The shape and size of each heat exchange station (21) are adapted to the shape and size of each battery cell (11). Each battery cell (11) is embedded in a corresponding heat exchange station (21), and each heat exchange station (21) is equipped with the heat supply unit (31).

5. The battery pack according to claim 4, wherein: The heat exchange element (2) is a serpentine tubular structure, the heat supply element (3) is a membrane structure, and the heat supply element (3) is arranged on the side of the heat exchange element (2).

6. The battery pack according to claim 5, wherein: The heating element (3) is adhered to the side surface of the heat exchange element (2), wherein the serpentine corrugated concave surface of the heat exchange element (2) constitutes the heat exchange station (21), the heating unit (31) is arranged in the serpentine corrugated concave surface of the heat exchange element (2), and the conductive unit (32) spans the serpentine corrugated convex surface of the heat exchange element (2) to connect two adjacent heating units (31).

7. The battery pack according to any one of claims 2 to 6, characterized in that: A heat-conducting adhesive member is provided between the battery core (11) and the heat supply unit (31).

8. The battery pack according to any one of claims 1 to 6, characterized in that: The heat exchange element (2) and the heat supply element (3) are arranged on at least one side of the battery row unit (1).

9. The battery pack according to claim 8, wherein: The invention comprises a plurality of battery row units (1) arranged side by side, a plurality of heat exchange elements (2), and a plurality of heat supply elements (3), wherein the number of the battery row units (1) is equal to the number of the heat supply elements (3), the number of the battery row units (1) is twice the number of the heat exchange elements (2), and one heat supply element (3) and one battery row unit (1) are arranged on opposite sides of each heat exchange element (2).

10. The battery pack according to claim 8, wherein: The invention comprises a plurality of battery row units (1) arranged side by side, a plurality of heat exchange elements (2), and a plurality of heat supply elements (3), wherein the number of the heat supply elements (3) is twice the number of the battery row units (1), the number of the heat exchange elements (2) is one more than the number of the battery row units (1), the heat exchange elements (2) and the battery row units (1) are arranged alternately in sequence, and a heat supply element (3) is arranged on opposite sides of each battery row unit (1).

11. The battery pack according to claim 9 or 10, characterized in that: It also includes a refrigeration component (4) and a heating component (5), wherein a plurality of the heat exchange elements (2) are connected to the refrigeration component (4), and a plurality of the heating elements (3) are connected to the heating component (5).

12. The battery pack according to any one of claims 1 to 6, characterized in that: It also includes a foamed colloid, which is filled between two adjacent battery cores (11) and covers at least a portion of the battery core (11).

13. A battery pack, characterized in that: A battery pack comprising the battery pack according to any one of claims 1 to 12.

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