CN114614103A - Cooling device and lithium battery cooling system - Google Patents
Cooling device and lithium battery cooling system Download PDFInfo
- Publication number
- CN114614103A CN114614103A CN202210278485.5A CN202210278485A CN114614103A CN 114614103 A CN114614103 A CN 114614103A CN 202210278485 A CN202210278485 A CN 202210278485A CN 114614103 A CN114614103 A CN 114614103A
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- Prior art keywords
- heat
- battery
- cooling
- liquid
- tank
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 63
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 20
- 239000000110 cooling liquid Substances 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims description 31
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004064 recycling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a cooling device which comprises a heat conduction device and a box body, wherein the box body is used for containing cooling liquid, the heat conduction device is arranged in the box body, and the heat conduction device comprises a heat transfer part which is used for being in contact with a battery electrode so as to absorb heat in a battery and transfer the heat to the cooling liquid. The cooling device directly contacts the pole of the battery with the heat conduction device, and can quickly absorb heat from the interior of the battery, so that the temperature in the battery is reduced, and a good cooling effect is achieved; meanwhile, the cooling liquid is recycled, so that waste can be reduced, and energy loss is reduced. The invention also provides a cooling system for the lithium battery.
Description
Technical Field
The invention relates to the technical field of lithium battery manufacturing, in particular to a cooling device and a lithium battery cooling system.
Background
The battery baking process in the manufacturing process of the lithium battery needs to cool the battery, the traditional cooling mode is air cooling, and cold air is blown to the surface of the battery, so that the purpose of cooling the battery is achieved.
The traditional air cooling mode has large limitation, cold air can only blow on the surface of a battery shell, and because a diaphragm exists between positive and negative electrode materials in the battery, the diaphragm blocks the heat dissipation in the battery, so that the air cooling effect is reduced; meanwhile, cold air blown to the battery becomes hot due to the fact that heat of the battery is absorbed, most of the hot air is discharged outwards, recycling is not conducted, and energy loss is increased. Therefore, the air cooling does not have a good cooling effect, the recycling rate of the cold air is low, and the energy loss is large.
Therefore, there is a need to provide a novel cooling device and a lithium battery cooling system to solve the above problems in the prior art.
Disclosure of Invention
The invention aims to provide a cooling device and a lithium battery cooling system, which improve the cooling effect of a battery by reducing the internal temperature of the battery and reduce the energy consumption by recycling a cooling liquid.
In order to achieve the above object, the cooling device of the present invention includes a heat conducting device and a box, wherein the box is used for containing a cooling liquid, the heat conducting device is disposed in the box, and the heat conducting device includes a heat transferring portion, and the heat transferring portion is used for contacting with a battery electrode to absorb heat in the battery and transfer the heat to the cooling liquid.
The cooling device has the beneficial effects that: the heat transfer part is used for being in contact with the battery electrode to absorb heat in the battery and transfer the heat to the cooling liquid, so that the temperature in the battery is reduced, and a good cooling effect is achieved.
Optionally, the heat conducting device further comprises a heat dissipating portion, and the heat dissipating portion is in contact with the heat transfer portion.
Optionally, the cooling device further includes a fixture, where the fixture includes at least 1 battery slot, the battery slot is used to fix the battery, the battery slot includes a hole location, and the hole location is fitted with the pole of the battery.
Optionally, the heat transfer portion includes a heat conduction block and a protrusion, the protrusion is disposed on the heat conduction block, and the protrusion is engaged with the hole.
Optionally, the box includes feed liquor valve and goes out the liquid valve, the feed liquor valve with it all sets up to go out the liquid valve on the box lateral wall.
Optionally, the box further includes a temperature sensor, the temperature sensor includes a temperature sensing portion, the temperature sensing portion is located inside the box, and the temperature sensor is configured to monitor whether the temperature of the cooling liquid in the box reaches a set value.
Optionally, the box still includes level sensor, level sensor includes liquid level sensing portion, temperature sensing portion is located inside the box, level sensor is used for detecting whether the liquid level height of coolant reaches the setting value.
Optionally, the heat transfer portion has a thermal conductivity greater than that of the heat dissipation portion.
Optionally, the material of the heat transfer portion includes pure copper, and the material of the heat dissipation portion includes an aluminum alloy.
The invention also provides a cooling system of the lithium battery, which comprises the cooling device and at least 1 battery.
Lithium cell cooling system's beneficial effect lies in: lithium cell cooling system can absorb the heat from the battery is inside fast with the utmost point post and the heat conduction device direct contact of battery to reduce the inside temperature of battery, reach good cooling effect.
Drawings
FIG. 1 is an exploded view of a cooling device according to some embodiments of the present invention;
FIG. 2 is a schematic diagram of a clamp according to some embodiments of the present invention;
FIG. 3 is a schematic diagram of a battery well according to some embodiments of the present invention;
FIG. 4 is a schematic structural view of a heat transfer device according to some embodiments of the present invention;
FIG. 5 is an exploded view of a cooling system for a lithium battery according to some embodiments of the present invention;
FIG. 6 is a schematic diagram of a battery;
fig. 7 is a schematic structural diagram of a cooling system of a lithium battery according to some embodiments of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
In view of the problems in the prior art, an embodiment of the present invention provides a cooling device, which includes a heat conducting device and a box, wherein the box is used for containing a cooling liquid, the heat conducting device is disposed in the box, and the heat conducting device includes a heat transferring portion, which is used for contacting with a battery electrode to absorb heat inside the battery and transfer the heat to the cooling liquid.
Fig. 1 is an exploded view of a cooling device according to some embodiments of the present invention. Referring to fig. 1, the cooling device includes a heat conduction device 2 and a case 1, the case 1 is used for containing a cooling liquid (not shown in the figure), the heat conduction device 2 is disposed in the case 1, the number of the heat conduction device 2 is 24, the heat conduction device 2 includes a heat transfer portion 21, the heat transfer portion 21 is used for contacting with an electrode of a battery (not shown in the figure), and the heat transfer portion 21 contacts with the cooling liquid to absorb heat in the battery and transfer the heat to the cooling liquid.
According to the cooling device provided by the invention, the pole of the battery is directly contacted with the heat conduction device, so that heat can be quickly absorbed from the interior of the battery, the temperature in the battery is reduced, and a good cooling effect is achieved.
In some embodiments, the heat conducting device further comprises a heat dissipating portion in contact with the heat transfer portion.
Referring to fig. 1, the heat conduction device 2 further includes a heat dissipation part 22, the heat dissipation part 22 is in contact with the heat transfer part 21, and both the heat transfer part 21 and the heat dissipation part 22 are in contact with the cooling liquid to further rapidly transfer heat absorbed from the inside of the battery to the cooling liquid.
In some embodiments, the cooling device further comprises a clamp, the clamp comprises at least 1 battery slot for fixing the battery, and the battery slot comprises a hole site, and the hole site is engaged with the pole of the battery.
Fig. 2 is a schematic view of a structure of a jig according to some embodiments of the present invention, and fig. 3 is a schematic view of a structure of a battery case according to some embodiments of the present invention. Referring to fig. 2 and 3, the fixture 3 includes 24 battery slots 31, the battery slots 31 are used for fixing the battery (not shown in the figure), each battery slot 31 includes two hole sites 311, the hole sites 311 are square, the battery includes two poles, the poles are cubic, the cross sections of the poles are square, the hole sites 311 correspond to the poles one by one, the hole sites 311 are the same as the cross sections of the poles, and the poles are embedded in the hole sites 311, so that the hole sites 311 can fix the poles of the battery.
Referring to fig. 2, the jig 3 further includes an edge 32, the 24 battery slots 31 are arranged in a matrix, the edge 32 is connected to openings of the 24 battery slots 31, and the edge 32 extends outward at the openings of the 24 battery slots 31.
In some embodiments, the heat transfer portion includes a heat-conducting block and a protrusion disposed on the heat-conducting block, and the protrusion is engaged with the hole.
FIG. 4 is a schematic diagram of a heat conducting device according to some embodiments of the present invention. Referring to fig. 4, the heat conduction apparatus includes a heat transfer portion 21 and a heat dissipation portion 22, the heat transfer portion 21 is in contact with the heat dissipation portion 22, the heat transfer portion 21 includes a heat conduction block 212 and two protrusions 211, the heat conduction block 212 has a cubic shape, the protrusions 211 are disposed on the heat conduction block 212, and the protrusions 211 have a cubic shape.
Referring to fig. 3, each of the battery slots 31 includes two hole locations 311, the hole locations 311 are square, the hole locations 311 correspond to the protrusions 211 one by one, the cross-sectional sizes of the hole locations 311 and the protrusions 211 are the same, and the protrusions are embedded in the hole locations, so that the hole locations 311 can fix the protrusions 211.
In some embodiments, the heat dissipating portion comprises at least one heat sink.
Referring to fig. 4, the heat dissipating unit 22 includes 12 heat dissipating fins 221, each of the heat dissipating fins 221 is sequentially arranged perpendicular to the heat conducting block 212 and contacts the heat conducting block 212, and the heat dissipating fins 221 and the protrusions 211 are disposed on 2 opposite surfaces of the heat conducting block 212.
In some embodiments, the heat transfer portion 21 has a thermal conductivity greater than that of the heat dissipation portion 22.
In some embodiments, the material of the heat conducting block 212 and the protrusion 211 comprises pure copper, and the material of the heat sink 221 comprises an aluminum alloy.
Referring to fig. 1, box 1 includes feed liquor valve 11 and goes out liquid valve 12, feed liquor valve 11 with it all sets up to go out liquid valve 12 on the same lateral wall of box, feed liquor valve 11 set up in it goes out the top of liquid valve 12, feed liquor valve 11 is used for controlling the coolant liquid gets into box 1, it is used for controlling to go out liquid valve 12 the coolant liquid circulation flows back to the cooler (not shown in the figure).
Referring to fig. 1, the tank 1 further includes a liquid level sensor 13 and a temperature sensor 14, the liquid level sensor 13 includes a liquid level sensing portion 131, the liquid level sensing portion 131 is located inside the tank 1, and the liquid level sensor 13 is configured to detect whether a liquid level of the cooling liquid reaches a set value.
In some embodiments, the liquid level sensor 13 further comprises a liquid level dial 132, and the liquid level dial 132 is located on an outer side wall of the case 1.
Referring to fig. 1, the temperature sensor 14 includes a temperature sensing part 141, the temperature sensing part 141 is located inside the tank 1, and the temperature sensor 14 is configured to monitor whether the temperature of the cooling fluid in the tank reaches a set value.
In some embodiments, the temperature sensor 14 further comprises a temperature dial 142, the temperature dial 142 being located on an outer side wall of the case 1.
The cooling device provided by the invention recycles the cooling liquid, so that the waste can be reduced, and the energy loss can be reduced.
The invention also provides a lithium battery cooling system which comprises the cooling device and at least 1 battery.
Fig. 5 is an exploded view of a cooling system of a lithium battery according to some embodiments of the present invention, and fig. 6 is a schematic structural diagram of the battery. Referring to fig. 5, the cooling system for the lithium battery includes the cooling device and 24 batteries 4, wherein 24 battery containers 31 are arranged in a matrix, 24 batteries 4 and 24 battery containers 31 are arranged in the same manner, and 24 batteries 4 are reversely mounted in the 24 battery containers 31. The box body 1 is used for containing cooling liquid, the clamp 3 with the battery 4 clamped therein and the heat conducting device 2 are placed in the box body 1 from top to bottom, and the heat conducting block 212 and the radiating fins 221 are soaked in the cooling liquid.
Referring to fig. 5, since the bottom surface of the battery container 31 has a certain thickness, the terminal post 41 is inserted into the hole 311 from above, the protrusion 211 is inserted into the hole 311 from below, the hole 311 fixes the terminal post 41 and the protrusion 211 together, and the terminal post 41 contacts with the protrusion 211.
Fig. 7 is a schematic structural diagram of a cooling system of a lithium battery according to some embodiments of the present invention. Referring to fig. 7, the edge 32 of the holder 3 with the battery 4 is placed over the opening of the case 1, the holder 3 encloses the opening of the case 1, and the cooling fluid and the heat transfer device 2 are located inside the case.
The lithium battery cooling system provided by the invention utilizes the good heat conductivity and heat conduction principle of metal, the temperature of the battery after baking is generally 90-120 ℃, the heat conduction block 212 and the heat radiating fin 221 are soaked in the cooling liquid (the temperature of the cooling liquid is generally-50-0 ℃), when the polar column 41 of the high-temperature battery 4 after baking is contacted with the protrusion 211 of the heat transfer part 21, the temperature difference between the polar column 41 and the protrusion 211 is great, so that the heat of the positive and negative metal foils in the battery is transferred to the protrusion 211 through the polar columns 41 of the positive and negative electrodes, the protrusion 211 is transferred to the heat conduction block 212 and then transferred to the heat radiating fin 221, the heat radiating fin 221 transfers the heat to the cooling liquid, the cooling liquid absorbs the heat, the temperature in the battery 4 is reduced, and the cooling effect is improved. The coolant absorbs the heat of the battery, so the temperature of the coolant rises, when the temperature of the coolant rises to a set value, the temperature sensor 14 transmits a signal, the liquid inlet valve 11 and the liquid outlet valve 12 are automatically opened, the coolant circularly flows back to the cooling machine and the box body 1, and when the liquid level sensor 13 detects that the coolant reaches a set height, the liquid inlet valve 11 and the liquid outlet valve 12 are closed.
The lithium battery cooling system provided by the invention adopts an inverted battery clamping mode, the pole of the battery is directly contacted with the heat conduction device, and heat can be quickly absorbed from the interior of the battery, so that the temperature in the battery is reduced, and a good cooling effect is achieved; meanwhile, the cooling liquid is recycled, so that waste can be reduced, and energy loss is reduced.
Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations are within the scope and spirit of the present invention as set forth in the following claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.
Claims (10)
1. The cooling device is characterized by comprising a heat conduction device and a box body, wherein the box body is used for containing cooling liquid, the heat conduction device is arranged in the box body, the heat conduction device comprises a heat transfer part, and the heat transfer part is used for being in contact with a battery electrode so as to absorb heat in a battery and transfer the heat to the cooling liquid.
2. The cooling apparatus as claimed in claim 1, wherein the heat conducting means further comprises a heat dissipating portion which is in contact with the heat transfer portion.
3. The cooling device according to claim 1 or 2, further comprising a clamp, wherein the clamp comprises at least 1 battery well for fixing the battery, and the battery well comprises a hole site, and the hole site is engaged with a pole of the battery.
4. The cooling device as claimed in claim 3, wherein the heat transfer portion includes a heat-conducting block and a protrusion, the protrusion is disposed on the heat-conducting block, and the protrusion is engaged with the hole.
5. The cooling apparatus as claimed in claim 1, wherein the tank includes a liquid inlet valve and a liquid outlet valve, both of which are disposed on a side wall of the tank.
6. The cooling apparatus as claimed in claim 5, wherein the tank further comprises a temperature sensor including a temperature sensing portion, the temperature sensing portion being located inside the tank, the temperature sensor being configured to monitor whether the temperature of the cooling liquid in the tank reaches a set value.
7. The cooling device as claimed in claim 5, wherein the tank further comprises a liquid level sensor, the liquid level sensor comprises a liquid level sensing portion, the temperature sensing portion is located inside the tank, and the liquid level sensor is used for detecting whether the liquid level of the cooling liquid reaches a set value.
8. The cooling apparatus as claimed in claim 2, wherein the heat transfer portion has a thermal conductivity greater than that of the heat dissipation portion.
9. The cooling apparatus as claimed in claim 8, wherein the material of the heat transfer portion comprises pure copper, and the material of the heat dissipation portion comprises an aluminum alloy.
10. A cooling system for lithium battery, comprising the cooling device of any one of claims 1-9 and at least 1 battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210278485.5A CN114614103B (en) | 2022-03-21 | 2022-03-21 | Cooling device and lithium battery cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210278485.5A CN114614103B (en) | 2022-03-21 | 2022-03-21 | Cooling device and lithium battery cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114614103A true CN114614103A (en) | 2022-06-10 |
| CN114614103B CN114614103B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210278485.5A Active CN114614103B (en) | 2022-03-21 | 2022-03-21 | Cooling device and lithium battery cooling system |
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| Country | Link |
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| CN (1) | CN114614103B (en) |
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| CN207353353U (en) * | 2017-11-03 | 2018-05-11 | 微宏动力系统（湖州）有限公司 | A kind of battery pack |
| CN210015903U (en) * | 2019-01-31 | 2020-02-04 | 江苏上德电子科技有限公司 | Lithium ion battery convenient to built-up connection |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0562957U (en) * | 1992-01-28 | 1993-08-20 | 株式会社ユアサコーポレーション | Storage battery with radial fins |
| CN200986956Y (en) * | 2006-11-08 | 2007-12-05 | 中国船舶重工集团公司第七一二研究所 | Accumulator cell with cooling system |
| KR20120062320A (en) * | 2010-12-06 | 2012-06-14 | 주식회사 엘지화학 | Secondary battery cooling apparatus with enhanced cooling efficiency and secondary battery system having the same |
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| CN210015903U (en) * | 2019-01-31 | 2020-02-04 | 江苏上德电子科技有限公司 | Lithium ion battery convenient to built-up connection |
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| Publication number | Publication date |
|---|---|
| CN114614103B (en) | 2024-02-09 |
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