CN220420670U - High-efficient heat radiation structure of battery - Google Patents
High-efficient heat radiation structure of battery Download PDFInfo
- Publication number
- CN220420670U CN220420670U CN202321283389.6U CN202321283389U CN220420670U CN 220420670 U CN220420670 U CN 220420670U CN 202321283389 U CN202321283389 U CN 202321283389U CN 220420670 U CN220420670 U CN 220420670U
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- CN
- China
- Prior art keywords
- heat dissipation
- shell
- battery
- film
- battery cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005855 radiation Effects 0.000 title claims description 3
- 230000017525 heat dissipation Effects 0.000 claims abstract description 104
- 238000001816 cooling Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 8
- 239000011888 foil Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000004760 aramid Substances 0.000 description 4
- 229920003235 aromatic polyamide Polymers 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 229910021382 natural graphite Inorganic materials 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Abstract
The utility model relates to a high-efficiency heat dissipation structure of a battery, which belongs to the technical field of battery heat dissipation and comprises a shell, wherein a battery core is arranged in the shell, a heat dissipation film is arranged on the shell, the heat dissipation film is also arranged in the battery core, and one end of the heat dissipation film in the battery core is connected with a heat dissipation assembly of the shell. The utility model has reasonable and simple structure, high heat dissipation efficiency and good heat dissipation effect, is suitable for heat dissipation of various batteries, effectively prolongs the service life of the batteries, and improves the safety of the batteries.
Description
Technical Field
The utility model belongs to the technical field of battery heat dissipation, and particularly relates to a high-efficiency heat dissipation structure of a battery.
Background
In the use of the battery, a large amount of heat can be generated, if the heat cannot be timely discharged, the performance of the battery can be influenced, even spontaneous combustion of the battery is caused, the heat generated by the battery is generally taken away through the heat radiating component in the prior art, the temperature of the battery is reduced, and for example, the lithium battery is generally taken away through the liquid cooling plate. Patent number CN 115084719B's patent document discloses a lithium cell high temperature protection architecture and lithium cell, including heat conduction module and be a plurality of groups lithium cell group that the rectangle was displayed and is set up on heat conduction module, still include a plurality of cooling mechanism and circulating water supply mechanism, cooling mechanism includes cooling box body and two heat exchange assembly, be equipped with two baffles in the cooling box body, two baffles have formed logical water cavity and two heat exchange cavities with cooling box body inside, logical water cavity is located between two heat exchange cavities, two heat exchange assembly are respectively at two heat exchange cavities, the both ends of logical water cavity are equipped with respectively rather than inside intercommunication's water inlet connection and water outlet connection. This patent can accelerate the velocity of flow of coolant liquid through cooling mechanism and dispel the heat fast, although that certain degree can promote the heat dissipation, but can not carry out efficient heat dissipation to the electric core of battery inside at the very first time, and radiating efficiency is not high. Therefore, there is a need for a battery efficient heat dissipation structure that solves the above-mentioned problems.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a high-efficiency heat dissipation structure of a battery, which comprises a shell, wherein a heat dissipation component is arranged at the bottom of the shell, a battery core is arranged in the shell, the battery core can be a coiled battery core or a laminated battery core and the like, a heat dissipation film is arranged on the shell, the battery core is also internally provided with the heat dissipation film, the heat dissipation film is connected with the heat dissipation component of the shell, and the heat dissipation film is sintered by adopting graphene or natural graphite or polyimide substrate or polyoxadiazole substrate or aramid substrate.
Preferably, the plurality of heat dissipation films are inserted in the battery cell and uniformly divide the battery cell, one of the heat dissipation films in the battery cell can be positioned at the center of the battery cell, and the heat dissipation films are arranged in the battery cell, so that the temperature of the central part of the battery cell can be quickly conducted to the periphery, the effect of uniform temperature is achieved, and the heat of the central part can be quickly dissipated.
Preferably, the heat dissipation film on the housing is disposed on the outer surface of the housing.
Preferably, the heat dissipation film on the housing is disposed on the inner surface of the housing.
Preferably, the inner surface and the outer surface of the shell are both provided with heat dissipation films.
Preferably, the heat dissipation component is a liquid cooling plate or a heat conduction fin.
Preferably, the shell comprises two shells which are sleeved and fixed together, and a heat dissipation film is arranged between the two shells, so that the shell forms a three-layer hard sandwich structure, and the heat dissipation film on the shell is connected with a heat dissipation assembly of the battery.
Preferably, a through hole is arranged on the heat dissipation film in the battery core, and the through hole can be used as a flowing channel of electrolyte.
Preferably, the inner surface and the outer surface of the heat dissipation film are respectively adhered with metal foils to form a three-layer flexible sandwich structure.
The utility model also comprises other components which can enable the high-efficiency heat dissipation structure of the battery to be used normally, and the components are all conventional technical means in the field. In addition, the undefined devices or components in the utility model all adopt the conventional technical means in the field, such as liquid cooling plates, heat dissipation fins, electric cores and the like, and all adopt the conventional equipment in the field.
Working principle: the heat dissipation film arranged on the battery shell can efficiently conduct large-area temperature equalization and heat dissipation on the battery, the center temperature of the battery pack shell is reduced, the heat dissipation film is inserted into the battery core, heat generated by the battery core can be timely and efficiently conducted out, and the heat dissipation film is beneficial to reducing the temperature inside the battery.
The utility model has the beneficial effects of reasonable and simple structure, high heat dissipation efficiency and good heat dissipation effect, is suitable for heat dissipation of various batteries, effectively prolongs the service life of the batteries, and improves the safety of the batteries.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is an external schematic view of a high-efficiency heat dissipation structure of a battery according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of embodiment 1 at FIGS. 1 A-A;
FIG. 3 is a cross-sectional view of embodiment 2 at FIGS. 1 A-A;
fig. 4 is a schematic structural diagram of the housing and the battery cell in embodiment 3.
In the figure: 1. a housing; 2. a battery cell; 3. a heat dissipation film; 4. and a heat dissipation assembly.
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.
Example 1
As shown in fig. 1-2, the utility model provides a high-efficiency heat dissipation structure of a battery, which comprises a shell 1, wherein the shell 1 can be an aluminum shell, the shell is connected with a heat dissipation assembly, a battery core 2 is arranged in the shell 1, the battery core is a winding battery core, a heat dissipation film 3 is arranged on the shell 1, a heat dissipation film 3 is also arranged in the battery core 2, one end of the heat dissipation film 3 in the battery core 2 is connected with the inner surface of the bottom of the shell 1, and the bottom of the shell is connected with the heat dissipation assembly 4.
The plurality of heat dissipation films 3 are inserted in the battery cell 2 and evenly divide the battery cell 2, through holes are evenly distributed on the heat dissipation films in the battery cell, the aperture of each through hole is 1mm, the hole spacing is 2mm, and the through holes can be used as flowing channels of electrolyte.
The inner surface and the outer surface of the shell 1 are respectively provided with a heat dissipation film 3, and the heat dissipation films are respectively connected with the heat dissipation assembly.
The heat dissipation film is prepared by sintering graphene or natural graphite or polyimide substrate or polyoxadiazole substrate or aramid substrate.
The heat dissipation component 4 is a liquid cooling plate or a heat conduction fin.
And the inner surface and the outer surface of the heat dissipation film are respectively adhered with metal foils (aluminum foils or copper foils) to form a three-layer flexible sandwich structure.
Example 2
As shown in fig. 1 and 3, the utility model provides a high-efficiency heat dissipation structure of a battery, which comprises a shell 1, wherein the shell 1 can be an aluminum shell, the shell is connected with a heat dissipation component, a battery cell 2 is arranged in the shell 1, a heat dissipation film 3 is arranged on the shell 1, a heat dissipation film 3 is also arranged in the battery cell 2, and one end of the heat dissipation film 3 in the battery cell 2 is connected with the heat dissipation component 4 of the shell 1.
The battery cell 2 is uniformly and equally divided by the plurality of heat dissipation films 3, through holes are uniformly distributed on the heat dissipation films in the battery cell, the aperture of each through hole is 2mm, the hole spacing is 3mm, and the through holes can be used as flow channels of electrolyte.
The heat dissipation film is prepared by sintering graphene or natural graphite or polyimide substrate or polyoxadiazole substrate or aramid substrate.
The heat dissipation component 4 is a liquid cooling plate or a heat conduction fin.
The shell 1 comprises two shells which are sleeved and fixed together, a heat dissipation film 3 is arranged between the two shells, and the heat dissipation film on the shell is connected with a heat dissipation component of the battery.
Example 3
As shown in fig. 1 and 4, the utility model provides a high-efficiency heat dissipation structure of a battery, which comprises a shell 1, wherein the shell 1 can be an aluminum shell, the shell is connected with a heat dissipation component, a battery core 2 is arranged in the shell 1, the battery core is a laminated battery core, a heat dissipation film 3 is arranged on the shell 1, a heat dissipation film 3 is also arranged in the battery core 2, and one end of the heat dissipation film 3 in the battery core 2 is connected with the heat dissipation component 4 of the shell 1.
The battery cell 2 is uniformly and equally divided by the plurality of heat dissipation films 3, through holes are uniformly distributed on the heat dissipation films in the battery cell, the aperture of each through hole is 2mm, the hole spacing is 3mm, and the through holes can be used as flow channels of electrolyte.
The heat dissipation film is prepared by sintering graphene or natural graphite or polyimide substrate or polyoxadiazole substrate or aramid substrate.
The heat dissipation component 4 is a liquid cooling plate or a heat conduction fin.
The shell 1 comprises two shells which are sleeved and fixed together, a heat dissipation film 3 is arranged between the two shells, and the heat dissipation film on the shell is connected with a heat dissipation component of the battery.
The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a high-efficient heat radiation structure of battery, includes the shell, the shell is connected with radiating component, be equipped with electric core, its characterized in that in the shell: the shell is provided with a heat dissipation film, the battery cell is internally provided with the heat dissipation film, and one end of the heat dissipation film in the battery cell is connected with the heat dissipation assembly;
the battery cell is characterized in that the plurality of heat dissipation films are inserted into the battery cell and uniformly divide the battery cell, one of the heat dissipation films in the battery cell is positioned at the center of the battery cell, and the heat dissipation film is provided with a through hole.
2. The efficient heat dissipation structure for batteries of claim 1, wherein: the heat dissipation film on the shell is arranged on the outer surface of the shell.
3. The efficient heat dissipation structure for batteries of claim 1, wherein: the heat dissipation film on the shell is arranged on the inner surface of the shell.
4. The efficient heat dissipation structure for batteries of claim 1, wherein: and the inner surface and the outer surface of the shell are respectively provided with a heat dissipation film.
5. The efficient heat dissipation structure for batteries of claim 1, wherein: the heat dissipation component is a liquid cooling plate or a heat conduction fin.
6. The efficient heat dissipation structure for batteries of claim 1, wherein: the shell comprises two shells which are sleeved and fixed together, and a heat dissipation film is arranged between the two shells.
7. The efficient heat dissipation structure for batteries of claim 1, wherein: and the inner surface and the outer surface of the heat dissipation film are respectively adhered with metal foils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321283389.6U CN220420670U (en) | 2023-05-25 | 2023-05-25 | High-efficient heat radiation structure of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321283389.6U CN220420670U (en) | 2023-05-25 | 2023-05-25 | High-efficient heat radiation structure of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220420670U true CN220420670U (en) | 2024-01-30 |
Family
ID=89656647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321283389.6U Active CN220420670U (en) | 2023-05-25 | 2023-05-25 | High-efficient heat radiation structure of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220420670U (en) |
-
2023
- 2023-05-25 CN CN202321283389.6U patent/CN220420670U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |