Heat dissipation device for battery and battery

Abstract

The utility model discloses a heat dissipation device for a battery and the battery. The heat dissipation device for the battery comprises a mounting box, a heat conduction assembly and a liquid cooling assembly, the mounting box is provided with a battery cell cavity, and the battery cell cavity is used for accommodating a battery cell; the heat conduction assembly is attached to the outer wall face of the installation box. The liquid cooling assembly is connected to the heat conduction assembly, the liquid cooling assembly and the installation box are arranged in a spaced mode, the liquid cooling assembly is provided with a liquid cooling flow channel, and cooling liquid flows in the liquid cooling flow channel. According to the scheme, membrane-like bubbles caused by direct and rapid heat convergence on the liquid contact surface of the liquid cooling assembly can be prevented, the potential safety hazard that the cooling liquid splashes to contact the battery cell is eliminated, and the safety performance of the battery is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery heat dissipation technical field, concretely relates to a battery heat dissipation device and battery. BACKGROUND

[0002] Battery is a chemical device that converts chemical energy into electrical energy, and heat is generated during the operation of the battery, which leads to an increase in battery temperature, affects the electrochemical reaction rate, reduces the output power, and even accelerates material aging and shortens the service life. Generally, the battery needs to be cooled by a heat dissipation device.

[0003] Publication No. CN217933960U discloses a three-dimensional heat dissipation liquid cooling plate for power battery. When applied, the battery is placed in the groove of the liquid cooling plate body, so that the battery is attached to the liquid cooling plate body. During the flow of the cooling liquid in the liquid cooling plate body, the heat dissipation liquid cooling plate can efficiently exchange heat with the bottom surface and two side surfaces of the power battery, greatly enhancing the heat dissipation efficiency and preventing the formation of film-shaped bubbles due to the rapid accumulation of heat in a certain area, effectively reducing the temperature of the power battery.

[0004] However, the battery in the patent directly adheres to the liquid cooling plate, and when the liquid cooling plate is eroded or accidentally damaged, the cooling liquid inside the liquid cooling plate is easy to splash and contact the battery, which poses a safety hazard. UTILITY MODEL CONTENTS

[0005] The utility model aims to overcome the above technical deficiencies and provides a battery heat dissipation device to solve the technical problem of the existing technology that the battery directly adheres to the liquid cooling plate, and when the liquid cooling plate is eroded or accidentally damaged, the cooling liquid inside the liquid cooling plate is easy to splash and contact the battery, which poses a safety hazard.

[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] In the first aspect, the utility model provides a battery heat dissipation device, which comprises:

[0008] The installation box has a battery core cavity for accommodating the battery core.

[0009] The heat conduction assembly is attached to the outer wall surface of the installation box.

[0010] The liquid cooling assembly is connected to the heat conduction assembly and is spaced apart from the installation box, and has a liquid cooling flow channel with cooling liquid flowing therein.

[0011] In some embodiments, the liquid cooling structure includes a liquid cooling pipe, and the liquid cooling structure is at least partially arranged inside the heat conduction assembly.

[0012] In some embodiments, the heat-conducting component comprises a finned heat sink, one end of which is attached to the outer wall of the mounting box, and the fins are arranged in sequence, and mounting channels are arranged on each of the fins along the arrangement direction of the fins.

[0013] The liquid cooling component at least partially penetrates the mounting channels of each of the fins.

[0014] In some embodiments, the liquid cooling component comprises a liquid cooling tank, a liquid cooling pipeline, and a pump body. The liquid cooling tank is arranged outside the battery cell cavity and is used to contain cooling liquid. The liquid cooling pipeline is connected to the heat-conducting component and communicates the two ends of the heat-conducting component with the liquid cooling tank, and the internal flow channel of the liquid cooling pipeline constitutes the liquid cooling flow channel. The pump body is connected to the liquid cooling pipeline and is used to transport cooling liquid.

[0015] In some embodiments, the liquid cooling component further comprises a fixing frame and two groups of cooling fins. The fixing frame is mounted in the liquid cooling tank. The two groups of cooling fins are arranged on opposite sides of the fixing frame and close to each other. The cooling fins of the two groups are arranged in sequence and alternately spaced. The projection of each cooling fin on the adjacent cooling fin falls on at least one adjacent cooling fin.

[0016] The liquid cooling pipeline has a return end and an outlet end that communicate with the liquid cooling tank. The return end faces the cooling fins.

[0017] In some embodiments, the mounting box further has a containing cavity, which is isolated from the battery cell cavity.

[0018] The liquid cooling tank is placed in the containing cavity, and the heat-conducting component is arranged on the outer wall of the battery cell cavity.

[0019] In some embodiments, the inner wall of the battery cell cavity close to the containing cavity is spaced apart from the battery cell.

[0020] In some embodiments, the battery heat dissipation device further comprises a support frame, which is mounted in the battery cell cavity and is spaced apart from the inner wall of the battery cell cavity close to the containing cavity. The side of the support frame away from the containing cavity is used to support the battery cell.

[0021] In some embodiments, the heat-conducting component and the liquid cooling structure are arranged around the periphery of the battery cell cavity, respectively.

[0022] The side of the battery cell cavity away from the containing cavity is further provided with a heat dissipation opening.

[0023] In some embodiments, the pump body is located in the liquid cooling tank, and / or the mounting box comprises, in sequence from the inside to the outside, a base material layer, a heat-conducting layer, an insulating layer, and a wear-resistant layer.

[0024] In a second aspect, the present application provides a battery comprising the battery heat dissipation device as defined in any one of the preceding items.

[0025] Compared with the prior art, in the battery heat dissipation device, the battery cell is arranged in the battery cell cavity of the mounting box, the heat conduction assembly is attached to the outer wall surface of the mounting box, and the liquid cooling assembly is arranged on the heat conduction assembly and is spaced from the mounting box. In this way, the heat generated by the battery cell is first transmitted to the heat conduction assembly through the mounting box and then transmitted to the liquid cooling structure through the heat conduction assembly. In the process of transmitting the heat from the heat conduction assembly to the liquid cooling structure, the heat can be first air-cooled through the air, so that the heat is preliminarily dissipated, the liquid cooling assembly is prevented from being directly and rapidly gathered with the heat, and the film-shaped bubbles are prevented from appearing on the liquid contact surface, so that the liquid cooling structure has a higher heat dissipation efficiency and continuously takes away the heat transmitted to the heat conduction assembly, thereby realizing the continuous and stable high-efficiency heat dissipation of the battery. At the same time, even when the liquid cooling structure or the liquid cooling box flowing with the cooling liquid is eroded or accidentally damaged, since the battery cell is arranged in the mounting box and the liquid cooling assembly is arranged outside the mounting box, the splashed cooling liquid is effectively prevented from contacting the battery cell, and the safety hazard is eliminated. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic view of the battery heat dissipation device provided by the embodiment of the present application;

[0027] Figure 2 is Figure 1 is a partial schematic view of the battery heat dissipation device in the embodiment;

[0028] Figure 3 is Figure 1 is a schematic view of the part of the mounting box corresponding to the battery cell cavity and the battery cell in the embodiment;

[0029] Figure 4 is Figure 2 is a schematic view of part of the fin in the embodiment;

[0030] Figure 5 is Figure 1 is a schematic view of the liquid cooling box and the pump body in the embodiment;

[0031] Figure 6 is Figure 3 is a partial sectional view of the mounting box in the embodiment.

[0032] BRIEF DESCRIPTION OF DRAWINGS

[0033] 1, installation box; 1a, cell cavity; 1b, containing cavity; 1c, heat dissipation port; 1d, fixing hole; 11, base material layer; 12, heat conducting layer; 13, insulation layer; 14, wear-resistant layer; 2, cell; 3, heat conducting assembly; 31, finned radiator; 311, fin; 311a, mounting channel; 312, main fin; 313, extended fin; 4, liquid cooling assembly; 41, liquid cooling box; 42, liquid cooling pipeline; 421, backflow end; 422, outlet end; 43, pump body; 44, fixing frame; 45, cooling fin; 5, support frame; 51, support block. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0035] In order to solve the technical problem that the existing battery directly adheres to the liquid cooling plate, when the liquid cooling plate is eroded or accidentally damaged, the cooling liquid in it is easy to splash and contact the battery, and there is a safety hazard, the utility model provides a heat dissipation device for battery, which can prevent the appearance of film-shaped bubbles on the liquid contact surface of the liquid cooling structure, eliminate the safety hazard of the cooling liquid splashing and contacting the cell, and improve the safety performance of the battery.

[0036] It should be noted that the heat dissipation device for battery is used for but not limited to battery and the like. In order to facilitate the description, in the utility model, only the heat dissipation device for battery applied to the battery is taken as an example for description, and the principle of the heat dissipation device for battery applied to other types of equipment is substantially the same as that applied to the battery, which will not be described here.

[0037] Please refer to Figures 1 to 3 , Figures 1 to 3 It is a structural schematic view of the heat dissipation device for battery in an embodiment of the utility model, and the heat dissipation device for battery comprises an installation box 1, a heat conducting assembly 3 and a liquid cooling assembly 4; the installation box 1 has a cell cavity 1a, and the cell cavity 1a is used for accommodating a cell 2; the heat conducting assembly 3 is attached to the outer wall surface of the installation box 1; the liquid cooling assembly 4 is connected to the heat conducting assembly 3 and is arranged in a spaced manner with the installation box 1, and has a liquid cooling flow channel, and the liquid cooling flow channel has cooling liquid flowing therein.

[0038] The heat dissipation device for battery provided by the utility model is characterized in that the battery cell 2 is arranged in the battery cell cavity 1a of the mounting box 1, the heat conduction assembly 3 is attached to the outer wall surface of the mounting box 1, the liquid cooling assembly 4 is arranged on the heat conduction assembly 3 and is spaced apart from the mounting box 1, the heat generated by the battery cell 2 is first transferred to the heat conduction assembly 3 through the mounting box 1 and then transferred to the liquid cooling assembly 4 through the heat conduction assembly 3, the heat is first air-cooled in the process of being transferred from the heat conduction assembly 3 to the liquid cooling assembly 4, preliminary heat dissipation is realized, the liquid cooling assembly 4 has high heat dissipation efficiency, the heat transferred to the heat conduction assembly 3 is continuously removed, and continuous and stable high-efficiency heat dissipation of the battery is realized.

[0039] It should be understood that, when assembling, the two poles of the battery cell 2 can be connected through waterproof cables after the battery cell 2 is arranged in the battery cell cavity 1a of the mounting box 1, the waterproof cables are led out through the wiring holes of the battery cell cavity 1a, and sealing rings are arranged at the wiring holes to improve the sealing performance of the battery cell cavity 1a.

[0040] In one of the embodiments, the liquid cooling assembly 4 is at least partially arranged inside the heat conduction assembly 3.

[0041] In the embodiment, the liquid cooling assembly 4 is arranged inside the heat conduction assembly 3, the contact area of the liquid cooling assembly 4 and the heat conduction assembly 3 is enlarged, the liquid cooling assembly 4 can quickly remove the heat on the heat conduction assembly 3, and the heat dissipation efficiency of the battery cell 2 is further improved.

[0042] It should be noted that the heat conduction assembly 3 can be a heat dissipation seat with a plurality of heat dissipation holes, can be in the form of a plurality of heat transfer pipes, or can be in other forms. In addition, the liquid cooling assembly 4 can be a liquid cooling plate, can be in a special shape, or can be in other forms.

[0043] In one of the embodiments, the heat conduction assembly 3 comprises a finned heat sink 31, one end of the finned heat sink 31 is attached to the outer wall surface of the mounting box 1, the fins 311 of the finned heat sink 31 are sequentially arranged, and mounting channels 311a are arranged on each fin 311 along the arrangement direction of the fin 311; the liquid cooling assembly 4 is at least partially arranged in the mounting channels 311a of the fins 311, and the internal flow channels constitute liquid cooling flow channels.

[0044] In the embodiment, the heat conduction assembly 3 is arranged in the form of the finned heat sink 31, and the liquid cooling assembly 4 is arranged in each fin 311 of the finned heat sink 31, so that the contact area of the heat conduction assembly 3 and the air is increased, and the assembly convenience of the device is improved.

[0045] In an embodiment, the liquid cooling assembly 4 comprises a liquid cooling tank 41, a liquid cooling pipeline 42 and a pump body 43. The liquid cooling tank 41 is arranged outside the cell cavity 1a and is used to accommodate the cooling liquid. The liquid cooling pipeline 42 is connected to the heat conduction assembly 3 and is arranged in a spaced manner with the mounting tank 1. The liquid cooling pipeline 42 has a liquid cooling flow channel and is connected to the liquid cooling tank 41 at both ends. The pump body 43 is connected to the liquid cooling pipeline 42 and is used to transport the cooling liquid.

[0046] In this scheme, the cooling liquid is circulated in the device by the liquid cooling tank 41 and the pump body 43, thereby realizing continuous and stable heat dissipation of the battery cell.

[0047] In one of the embodiments, please refer to Figure 5 The liquid cooling assembly 4 further comprises a fixing frame 44 and two groups of cooling fins 45. The fixing frame 44 is mounted in the liquid cooling tank 41. The two groups of cooling fins 45 are arranged on the opposite sides of the fixing frame 44 and are close to each other. The multiple cooling fins 45 of the two groups are arranged in an alternating and spaced manner. The projection of each cooling fin 45 on the adjacent cooling fin 45 falls on the adjacent cooling fin 45. The liquid cooling pipeline 42 has a return end 421 and an outlet end 422 which are connected to the liquid cooling tank 41. The return end 421 is directed to the cooling fins 45.

[0048] In this embodiment, the return end 421 of the liquid cooling flow channel is directly opposite to the multiple cooling fins 45. The cooling liquid returned to the liquid cooling tank 41 can be sequentially cooled by the multiple cooling fins 45, thereby accelerating the cooling process of the cooling liquid and facilitating the recycling of heat dissipation. It should be noted that the heat dissipation of the cooling fin 45 can refer to the refrigeration principle of a refrigerator or an air conditioner. The hot end is arranged outside the liquid cooling tank 41. The specific structure and principle are prior art and will not be described here.

[0049] In one of the embodiments, the pump body 43 is arranged in the liquid cooling tank 41.

[0050] In this embodiment, the pump body 43 is directly arranged in the liquid cooling tank 41, thereby making the overall structure more compact. The pump body 43 can be a miniature water pump and is connected to the liquid cooling pipeline 42. Correspondingly, a detachable cover can be arranged on the upper part of the liquid cooling tank 41 and a sealing structure is additionally arranged.

[0051] It should be noted that in this scheme, the multiple fins 311 of the finned radiator 31 are sequentially arranged along the circumferential side of the mounting tank 1. The bottom wall of the mounting tank 1 is used to be fixed to the external carrier. A heat dissipation opening 1c is arranged on the top of the mounting tank 1, thereby further dissipating heat from the battery through the heat dissipation opening 1c. Even if the liquid cooling pipeline 42 is damaged and the cooling liquid is splashed, the fins 311 can also play a certain shielding role to prevent the cooling liquid from entering the inside of the mounting tank 1 through the heat dissipation opening 1c.

[0052] Specifically, in an embodiment, please refer toFigure 4 Each fin 311 comprises a main fin 312 and two extension fins 313, a plurality of main fins 312 are sequentially arranged on the circumferential side of the mounting cavity, and the two extension fins 313 are respectively connected to the two sides of the main fin 312 close to the adjacent two main fins 312, and are arranged at an angle with the main fin 312, and are located at one end of the main fin 312 close to the heat dissipation port 1c, that is, the extension fin 313 is connected to the upper end of the main fin 312. Among them, the mounting channel 311a is formed in the main fin 312 and is located below the extension fin 313. And the free ends of the two extension fins 313 on different main fins 312 abut. In this way, the extension fin 313 can effectively block the splashing of the cooling liquid to the heat dissipation port 1c, and expand the air cooling area of the finned radiator 31, and facilitate the viewing of the damaged part of the liquid cooling pipe 42.

[0053] In one of the embodiments, the mounting box 1 also has a containing cavity 1b which is isolated from the battery cell cavity 1a; the liquid cooling box 41 is placed in the containing cavity 1b, and the heat conduction assembly 3 is arranged on the outer wall surface of the battery cell cavity 1a.

[0054] In this embodiment, the containing cavity 1b is arranged on the mounting box 1 and is isolated from the battery cell cavity 1a, so that when the liquid cooling box 41 is placed in the containing cavity 1b, the compactness of the device can be improved, the overall transportation is facilitated, and the cooling liquid in the liquid cooling box 41 is also prevented from contacting the battery cell 2 when damaged.

[0055] It should be noted that the cooling liquid can be water, glycol-based cooling liquid or propylene glycol-based cooling liquid. In addition, in this scheme, a communication port communicating with the outside can be arranged at the side end of the containing cavity 1b, which facilitates heat dissipation on the one hand, and facilitates leakage checking when the liquid cooling box 41 is damaged on the other hand.

[0056] In one of the embodiments, the inner wall of the battery cell cavity 1a close to the containing cavity 1b is arranged to be spaced apart from the battery cell 2.

[0057] In this embodiment, the bottom of the battery cell 2 is arranged to be spaced apart from the liquid cooling box 41, so as to avoid the direct heat transfer of the battery cell 2 to the liquid cooling box 41 to cause film-shaped bubbles, so that the cooling liquid output by the liquid cooling box 41 is in a suitable interval to carry away the heat of the heat conduction assembly 3 in the liquid cooling flow channel of the liquid cooling assembly 4.

[0058] Specifically, in this scheme, heat-conducting silica gel can also be arranged between the battery cell 2 and the side wall of the battery cell cavity 1a, so that heat can be sequentially transferred from the heat-conducting silica gel to the heat conduction assembly 3 and then to the liquid cooling assembly 4.

[0059] In one of the embodiments, the heat dissipation device for the battery further comprises a support frame 5 installed in the battery cell cavity 1a and spaced apart from the inner wall of the battery cell cavity 1a close to the accommodation cavity 1b, and the side of the support frame 5 away from the accommodation cavity 1b is used to support the battery cell 2.

[0060] In the embodiment, the battery cell 2 is spaced apart from the bottom wall of the battery cell cavity 1a by the support frame 5, which is simple and reliable in structure. Specifically, in the present scheme, a support block 51 is arranged at each of the four corners of the support frame 5, the support block 51 supports the support frame 5 and is pressed against the bottom wall of the battery cell cavity 1a, thereby achieving the spaced arrangement of the support frame 5 and the bottom wall of the battery cell cavity 1a.

[0061] In one of the embodiments, the heat conduction assembly 3 and the liquid cooling pipe 42 are respectively arranged around the side of the battery cell cavity 1a, and the side of the battery cell cavity 1a away from the accommodation cavity 1b is further provided with a heat dissipation opening 1c.

[0062] In the embodiment, the heat conduction assembly 3 is arranged around the side of the battery cell cavity 1a to be opposite to the four sides of the battery cell cavity 1a, and the heat dissipation opening 1c is arranged at the top of the battery cell cavity 1a to accelerate the heat dissipation capacity of the inside of the battery cell cavity 1a and facilitate the arrangement of the liquid cooling flow channel. It should be understood that in the present scheme, the leakage of the cooling liquid into the battery cell cavity 1a from the heat dissipation opening 1c can be effectively avoided by adjusting the shape of the fins 311.

[0063] In addition, it should be noted that in one embodiment, the mounting box 1 comprises a bottom shell and a cover plate, the bottom shell has the accommodation cavity 1b and the battery cell cavity 1a, the side of the battery cell cavity 1a away from the accommodation cavity 1b is open, the cover plate is arranged on the side of the battery cell cavity 1a away from the accommodation cavity 1b and is provided with the heat dissipation opening 1c. The cover plate and the bottom shell are connected by bolts. In addition, the bottom plate of the bottom shell is provided with a fixing hole 1d to facilitate the fixation of the device on an external carrier.

[0064] In one of the embodiments, referring to Figure 6 , the mounting box 1 comprises a base material layer 11, a heat conduction layer 12, an insulating layer 13 and a wear-resistant layer 14 from inside to outside.

[0065] In the embodiment, the base material layer 11 is made of aluminum alloy, the heat conduction layer 12 is made of heat-conducting silica gel, the insulating layer 13 is made of heat-conducting insulating glue, and the wear-resistant layer 14 is made of heat-conducting silicon carbide.

[0066] In addition, the utility model still provides a kind of battery, and battery includes the heat sink for battery as any one described above.It needs to be explained that the detailed structure of the heat sink for battery of battery can refer to the embodiment of the heat sink for battery described above, and it is not repeated here;Since the heat sink for battery described above is used in the battery of the utility model, the embodiment of the battery of the utility model includes all the technical solutions of all the embodiments of the heat sink for battery described above, and the technical effects achieved are also exactly the same, and it is not repeated here.

[0067] In order to better understand the utility model, the following will be combined with Figures 1 to 6 The technical scheme of the utility model is described in detail:

[0068] In specific use, the liquid cooling tank 41 is internally provided with cooling liquid, and the battery cell 2 inside the installation box 1 generates heat during use and conducts heat outward, sequentially through the heat-conducting silica gel, the installation box 1, the finned radiator 31 and the liquid cooling pipeline 42, and is cooled and heat-conducted through the finned radiator 31 and the liquid cooling pipeline 42.

[0069] During the cooling process, starting the pump body 43 can pump the cooling liquid inside the liquid cooling tank 41 to the liquid cooling pipeline 42 and backflow to the inside of the liquid cooling tank 41, and the circulating cooling liquid in the liquid cooling pipeline 42 can continuously pass through the middle part of the finned radiator 31 and take away heat, and the air cooling of the finned radiator 31 can take away part of the heat first, so as to avoid the appearance of film-shaped bubbles in the liquid cooling pipeline 42 and improve the cooling efficiency.

[0070] The specific embodiments of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and modifications made according to the technical concept of the utility model shall be included in the protection scope of the claims of the utility model.

Claims

1. A heat dissipation device for batteries, characterized in that, include: The mounting box has a cell cavity for accommodating the cell; The heat-conducting component is attached to the outer wall of the mounting box; and A liquid cooling component is connected to the heat-conducting component and spaced apart from the mounting box, and has a liquid cooling channel in which coolant flows.

2. The battery heat dissipation device according to claim 1, characterized in that, The liquid cooling component is at least partially penetrated by the heat-conducting component.

3. The battery heat dissipation device according to claim 2, characterized in that, The heat-conducting component includes a finned radiator, one end of which is attached to the outer wall of the mounting box, and its fins are arranged sequentially, with mounting channels provided on each fin along its arrangement direction. The liquid cooling assembly is at least partially inserted through the mounting channels of each of the fins.

4. The battery heat dissipation device according to claim 1, characterized in that, The liquid cooling assembly includes a liquid cooling tank, liquid cooling pipes, and a pump body. The liquid cooling tank is located outside the cell cavity and is used to contain coolant. The liquid cooling pipes are connected to the heat-conducting assembly and their two ends are respectively connected to the liquid cooling tank, and their internal flow channels constitute the liquid cooling flow channels. The pump body is connected to the liquid cooling pipes and is used to transport coolant.

5. The battery heat dissipation device according to claim 4, characterized in that, The liquid cooling assembly also includes a fixed frame and two sets of cooling plates. The fixed frame is installed inside the liquid cooling box. The two sets of cooling plates are respectively located on opposite sides of the fixed frame and are arranged close to each other. The multiple cooling plates of the two sets are arranged alternately and at intervals. The projection of each cooling plate onto the adjacent cooling plate falls on at least the adjacent cooling plate. The liquid cooling pipe has a return end and an outlet end that connect to the liquid cooling tank, with the return end facing the cooling fins.

6. The battery heat dissipation device according to claim 4, characterized in that, The mounting box also has a receiving cavity, which is isolated from the cell cavity; The liquid cooling box is placed inside the receiving cavity, and the heat-conducting component is located on the outer wall surface of the cell cavity.

7. The battery heat dissipation device according to claim 6, characterized in that, The cell cavity is positioned close to the inner wall of the receiving cavity and spaced apart from the cell.

8. The battery heat dissipation device according to claim 7, characterized in that, The battery heat dissipation device also includes a support frame, which is installed in the cell cavity and spaced apart from the inner wall of the cell cavity near the receiving cavity, with the side of the support frame away from the receiving cavity used to support the cell.

9. The battery heat dissipation device according to claim 6, characterized in that, The heat-conducting components and the liquid-cooling pipes are respectively arranged around the periphery of the battery cell cavity; The cell cavity is also provided with a heat dissipation vent on the side away from the receiving cavity.

10. A battery, characterized in that, Includes the battery heat dissipation device as described in any one of claims 1-9.

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