CN106654445A - Liquid-cooled battery module - Google Patents
Liquid-cooled battery module Download PDFInfo
- Publication number
- CN106654445A CN106654445A CN201611035504.2A CN201611035504A CN106654445A CN 106654445 A CN106654445 A CN 106654445A CN 201611035504 A CN201611035504 A CN 201611035504A CN 106654445 A CN106654445 A CN 106654445A
- Authority
- CN
- China
- Prior art keywords
- battery modules
- heat collector
- liquid
- main body
- cavity
- 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.)
- Pending
Links
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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a liquid-cooled battery module. The battery module is fixed in a heat collecting cavity main body which is made of a high thermal conductivity material; meanwhile, the heat collecting cavity main body is also filled with a cooling liquid, is in direct contact with the battery module through the cooling liquid, absorbs heat generated by the battery module when working in large area and then carries out heat exchange with the heat collecting cavity main body, and the heat is emitted to an external environment, so that cooling treatment on the battery module is achieved. In addition, a fixed structure and a convex rib structure are designed for the heat collecting cavity main body, so that the battery module can be more stably fixed in the heat collecting cavity main body and the stability of the liquid-cooled battery module is improved. A decompression valve can adjust the pressure in a heat collecting cavity at any time according to the actual condition and has an anti-explosion decompression function, and the security and the stability of the liquid-cooled battery module are greatly improved. A seal ring is capable of preventing the cooling liquid from seeping outwards; and a filling opening is capable of adding/reducing/replacing the cooling liquid at any time according to the actual requirements, so that the convenience and the operability of the liquid-cooled battery module are improved.
Description
Technical field
The present invention relates to battery modules field, the cold battery modules of more particularly to a kind of liquid.
Background technology
In recent years, the characteristics of new-energy automobile is because of environmentally safe, by government and the height weight of each automaker
Depending on quickly growing.One of key technology of new-energy automobile is electrokinetic cell, and on the one hand the quality of battery determines electric automobile
On the other hand distance travelled, has also had influence on the product quality of car load, during the use of electrokinetic cell, its service life and
The decay of battery capacity has great relation with the range of temperature of battery system and frequency.
Electrokinetic cell can produce heat when working, if these heats can not be distributed timely, can cause power electric
The temperature of Chi Bao constantly rises, and the temperature contrast of the electrokinetic cell of diverse location can be increasing in electrokinetic cell bag, so as to shadow
Ring the service life of electrokinetic cell.Especially in summer, because ambient temperature is very high, final temperature rise is likely to beyond dynamic
The working range that power battery bag is allowed, and then the discharge performance to battery bag causes large effect.
Traditional electrokinetic cell radiating mode mostly adopts liquid-cooling heat radiation scheme, the heat that electrokinetic cell is produced to pass through water
Cold drawing is conducted, and some higher scheme of radiating efficiency is that radiating tube or the cold pipe of liquid are interspersed in the middle of electrokinetic cell, on
State the cooling liquid that these schemes are not all directly passed to the heat that battery comes out in liquid cooling system, also or due to
Liquid cooling system is only contacted with battery small part outer surface so that the thermal resistance of the liquid part in electrokinetic cell to liquid cooling system
Than larger, it is impossible to play the function of liquid cooling system completely.
There is provided a kind of batteries of electric automobile module in the patent document CN201420505155.6 according to disclosed in China
The cold battery modules of cooling fluid, its technical scheme is, the cold battery modules of conductive fluid --- battery modules side is arranged at, by heat conduction
The cold battery modules of liquid carry out heat exchange to the heat that battery modules are produced, the cold battery modules of the cold liquid of last liquid --- it is arranged at electricity
Pond module bottom, the heat in the cold battery modules of conductive fluid is taken away by liquid flowing, completes the cooling work to battery modules.
But because this technical scheme does not allow for coolant directly and battery modules directly contact carries out heat exchange so as to efficiency of lowering the temperature with
Effect is not very good, with certain limitation.
Likewise, a kind of battery cooled plate water route knot referred in Chinese publication file CN201510779809.3
Structure, its technical scheme is to carry out the cooling work to battery modules by being covered in the cooling line on battery modules surface, equally
Do not allow for coolant directly and battery modules directly contact carries out heat exchange, cooling efficiency and effect be not also very good, tool
There is certain limitation.
The content of the invention
The purpose of the present invention is to overcome weak point of the prior art, there is provided a kind of cold battery modules of liquid.
The purpose of the present invention is achieved through the following technical solutions：
A kind of cold battery modules of liquid, including：Heat collector cavity, battery modules, coolant, the heat collector cavity be hollow cavity, institute
State battery modules to be fixed in the heat collector cavity, the coolant is insulating and cooling liquid, in being filled in the heat collector cavity.
Wherein in one embodiment, the heat collector cavity includes：Lid, the thermal-arrest cavity main body of one side opening, institute on heat collector cavity
State the opening surface that lid on heat collector cavity is installed on the thermal-arrest cavity main body.
Wherein in one embodiment, also include：
Sealing ring on the heat collector cavity between lid and the thermal-arrest cavity main body；
The thermal-arrest cavity main body offers seal groove；
The sealing ring is positioned in seal groove.
Wherein in one embodiment, the heat collector cavity body interior is provided with fixed structure, and the battery modules pass through
Fixed structure is fixed in the thermal-arrest cavity main body.
Wherein in one embodiment, the heat collector cavity main body inner wall is provided with carries out spacing convex tendon knot to battery modules
Structure.
Wherein in one embodiment, the fixed structure is flexible fastening piece, and the convex rib structure is elastic convex tendon.
Wherein in one embodiment, the heat collector cavity body outer wall offers several heat conduction floors.
Wherein in one embodiment, lid is provided with the first fixed plate on the heat collector cavity, and the battery modules are provided with
The first groove used cooperatively with first fixed plate.
Wherein in one embodiment, lid is provided with relief valve and liquid injection port on the heat collector cavity.
Wherein in one embodiment, lid offers first through hole on heat collector cavity, and thermal-arrest cavity main body is offered by screw
The first screwed hole coordinated with first through hole.
The technical program has following beneficial effect compared to prior art：
1. coolant in liquid cooling system directly and electrokinetic cell directly contact, can be with large-area radiating.
2. heat collector cavity body interior is provided with fixed structure so that internally placed electrokinetic cell is more firm.
3. relief valve can adjust the cold battery modules internal pressure of liquid according to actual environment situation at any time, and security increases
Plus.
4. the setting of liquid injection port can at any time add/reduce/change coolant.
5. the design of sealing ring can prevent coolant from oozing out.
Description of the drawings
Fig. 1 is the cold battery modules assembling figure of liquid of the present embodiment；
Fig. 2 is the exploded view of the cold battery modules of liquid of the present embodiment；
Fig. 3 is the exploded view at another visual angle of the cold battery mould of liquid of the present embodiment；
Fig. 4 is another visual angle assembling figure of the cold battery modules of liquid of the present embodiment.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Plus it is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that of the invention in limiting.Term as used herein " and/or " include one or more
The arbitrary and all of combination of related Listed Items.
The cold battery modules assembling figure of liquid being illustrated in figure 1 in the present embodiment, please combines in the lump with reference to Fig. 2, Fig. 3, Fig. 4,
Including：Heat collector cavity 100, battery modules 200, coolant 300.
Further, heat collector cavity 100 is hollow cavity, and battery modules 200 are fixed in heat collector cavity 100, and coolant 300 is filled out
Fill in heat collector cavity 100.
It should be noted that coolant 300 is insulating and cooling liquid, its main component is silicone oil or silicone grease.
Further, the heat collector cavity 100 includes：Lid 110, thermal-arrest cavity main body 120 on heat collector cavity.
It should be noted that the one side of thermal-arrest cavity main body 120 is open, lid 110 is installed on thermal-arrest cavity main body 120 and opens on heat collector cavity
On mouth face.
Further, the cold battery modules of liquid, also include：
Sealing ring 400 between lid on heat collector cavity 110 and thermal-arrest cavity main body 120；
Thermal-arrest cavity main body 120 offers seal groove 123.
It should be noted that sealing ring 400 is made by elastomeric material, and in being positioned over seal groove 125, sealing ring
400 design can prevent coolant 300 from outwards oozing out, and improve the stability and security of the cold battery modules of liquid.
Further, lid 110 offers first through hole 111 on heat collector cavity, and thermal-arrest cavity main body 120 is offered and first through hole
111 the first screwed holes 121 for using cooperatively.
It should be noted that screw first wears first through hole 111, after be screwed together in the first screwed hole 121, will cover on heat collector cavity
110 are installed on the opening surface of thermal-arrest cavity main body 120.
Further, thermal-arrest cavity main body 120 is internally provided with fixed structure 122, and battery modules 200 pass through fixed structure
122 are fixed in thermal-arrest cavity main body 120 so that what battery modules 200 can be consolidated more is fixed in thermal-arrest cavity main body 120,
Increase the stability of the cold battery modules of liquid.
It should be noted that fixed structure 122 be flexible fastening piece, can preferably self-contained battery module 200 when
Time prevents elastic deformation excessive and causes fixed structure 122 to damage.In the present embodiment, the quantity of fixed structure 122 is 4, point
It is not distributed on four corners of thermal-arrest cavity main body 120.Can suitably increase or reduce fixed structure 122 according to actual conditions
Quantity and change branch position.
Further, the inwall of thermal-arrest cavity main body 120 is provided with convex rib structure 124.
It should be noted that convex rib structure 124 is elastic convex tendon, the design of convex rib structure 124 can preferably allow battery
Module 200 is fixed in thermal-arrest cavity main body 120, and convex rib structure 124 can further improve the stability of the cold battery modules of liquid.
Further, the outer wall of thermal-arrest cavity main body 120 offers several heat conduction floors 125.
It should be noted that thermal-arrest cavity main body 120 is made for material of high thermal conductivity, coolant 300 can be inhaled
The heat of receipts is conducted into the table wall of thermal-arrest cavity main body 120, then is conducted to the cold battery modules of liquid, is realized to battery modules
200 cooling is processed.
Also, it should be noted that the purpose of the design of heat conduction floor 125 is in order to strengthen radiating efficiency, by designing several
Heat conduction floor 125, can expand the contact area with outside air, and by this mode radiating efficiency is strengthened.
Further, lid 110 offers the first fixed plate 112 on heat collector cavity, and battery modules 200 are offered fixes with first
The first groove 212 that plate 112 is used cooperatively.
It should be noted that on heat collector cavity is carried out lid 110 and when being connected of thermal-arrest cavity main body 120, first pass through collection
The first fixed plate 112 of lid 110 is plugged together and completes Primary Location on the first groove 212 of battery modules 200 on hot chamber, is finally led to
Cross screw to complete to be connected by lid on heat collector cavity 110 and thermal-arrest cavity main body 300.First fixed plate 112 and the first groove 212
Purpose of design is that lid 110 occurs relative displacement with thermal-arrest cavity main body 120 on heat collector cavity in order to prevent in installation process, improves liquid
The installation effectiveness of cold battery modules.
Further, lid 110 is provided with relief valve 500 on heat collector cavity.
Further, lid 110 offers liquid injection port 113 on heat collector cavity.
It should be noted that in the present embodiment, liquid injection port 113 has two functions.One is that the cold battery modules of liquid can be with
Can at any time add/reduce/change coolant 300 according to actual needs by liquid injection port 113, improve the cold battery modules of liquid just
Victory and operability；Two when be used in combination with the relief valve 500, and relief valve 500 is installed in liquid injection port 113, pressure release
Valve 500 can need to adjust the internal pressure of heat collector cavity 100 at any time according to actual environment, the function with explosion-proof relief, further
Improve the safety and stability of the cold battery modules of liquid in ground.In other embodiments, liquid injection port 113 functions only as addition/reduction/more
The structure of coolant 300 is changed, relief valve 500 is installed on heat collector cavity on lid 110 independently of liquid injection port 113, for adjusting pressure.
Further, lid 110 offers anode structure 114 and negative pole structure 115 on heat collector cavity.
It should be noted that anode structure 114 and negative pole structure 115 can be designed so that the cold battery modules of liquid can pass through
It is for car use that the mode of series and parallel forms more powerful battery pack.
The invention discloses a kind of cold battery modules of liquid, battery modules 200 are fixed on what is be made by highly heat-conductive material
In thermal-arrest cavity main body 120, thermal-arrest cavity main body 120 is also filled with coolant 300 simultaneously, by coolant 300 directly with battery mould
Group 200 is contacted, large-area to absorb the heat that battery modules 200 are operationally produced, and carries out heat with thermal-arrest cavity main body 120 afterwards
Exchange, heat is dispersed into external environment, realize that the cooling to battery modules 200 is processed.Additionally, thermal-arrest cavity main body 120 sets
In respect of fixed structure and convex rib structure 122 so that what battery modules 200 can be consolidated more is fixed in thermal-arrest cavity main body 120,
Improve the stability of the cold battery modules of liquid；Relief valve 500 can adjust the pressure in heat collector cavity 100 according to actual conditions at any time,
Function with explosion-proof relief, greatly improves the safety and stability of the cold battery modules of liquid；Sealing ring 400 can prevent coolant
300 outwards ooze out；Liquid injection port 113 can at any time add according to actual needs/reduce/change coolant 300, improve the cold battery of liquid
The convenience of module and operable.
The above embodiment only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for the ordinary skill people of this area
For member, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the present invention's
Protection domain.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. cold battery modules of a kind of liquid, it is characterised in that include：Heat collector cavity, battery modules, coolant, during the heat collector cavity is
Cavity body, the battery modules are fixed in the heat collector cavity, and the coolant is insulating and cooling liquid, is filled in the heat collector cavity
In.
2. cold battery modules of liquid according to claim 1, it is characterised in that the heat collector cavity includes：Heat collector cavity Shang Gai, one
The thermal-arrest cavity main body of face opening, lid is installed on the opening surface of the thermal-arrest cavity main body on the heat collector cavity.
3. cold battery modules of liquid according to claim 2, it is characterised in that also include：
Sealing ring on the heat collector cavity between lid and the thermal-arrest cavity main body；
The thermal-arrest cavity main body offers seal groove；
The sealing ring is positioned in seal groove.
4. cold battery modules of liquid according to claim 2, it is characterised in that the heat collector cavity body interior is provided with fixation
Structure, the battery modules are fixed in the thermal-arrest cavity main body by fixed structure.
5. cold battery modules of liquid according to claim 4, it is characterised in that the heat collector cavity main body inner wall is provided with to electricity
Pond module carries out spacing convex rib structure.
6. cold battery modules of liquid according to claim 5, it is characterised in that the fixed structure is flexible fastening piece, institute
Convex rib structure is stated for elastic convex tendon.
7. cold battery modules of liquid according to claim 2, it is characterised in that the heat collector cavity body outer wall offers some
Individual heat conduction floor.
8. cold battery modules of liquid according to claim 2, it is characterised in that lid is provided with the first fixation on the heat collector cavity
Plate, the battery modules are provided with the first groove used cooperatively with first fixed plate.
9. cold battery modules of liquid according to claim 2, it is characterised in that on the heat collector cavity lid be provided with relief valve and
Liquid injection port.
10. cold battery modules of liquid according to claim 2, it is characterised in that lid offers first through hole on heat collector cavity, collect
Hot cavity main body offers the first screwed hole coordinated by screw and first through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035504.2A CN106654445A (en) | 2016-11-15 | 2016-11-15 | Liquid-cooled battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035504.2A CN106654445A (en) | 2016-11-15 | 2016-11-15 | Liquid-cooled battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106654445A true CN106654445A (en) | 2017-05-10 |
Family
ID=58811057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611035504.2A Pending CN106654445A (en) | 2016-11-15 | 2016-11-15 | Liquid-cooled battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654445A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634162A (en) * | 2017-09-11 | 2018-01-26 | 惠州市蓝微新源技术有限公司 | A kind of battery bag body structure of liquid-leakage preventing |
| CN107681082A (en) * | 2017-10-27 | 2018-02-09 | 常州普莱德新能源电池科技有限公司 | A kind of battery modules |
| CN117239296A (en) * | 2023-11-14 | 2023-12-15 | 山东京瓷光能科技有限公司 | Direct liquid cooling battery system and preparation method thereof |
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| CN206180054U (en) * | 2016-11-15 | 2017-05-17 | 惠州市蓝微新源技术有限公司 | Liquid cooling battery module |
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| CN102227032A (en) * | 2011-05-24 | 2011-10-26 | 华南理工大学 | Passive power battery with heat dissipating device |
| CN202871893U (en) * | 2012-10-17 | 2013-04-10 | 周仕元 | Anti-explosion cooling device for lithium-ion battery pack |
| CN203553306U (en) * | 2013-09-24 | 2014-04-16 | 北京鼎能开源电池科技股份有限公司 | Lithium ion battery pack component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634162A (en) * | 2017-09-11 | 2018-01-26 | 惠州市蓝微新源技术有限公司 | A kind of battery bag body structure of liquid-leakage preventing |
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| CN117239296B (en) * | 2023-11-14 | 2024-02-13 | 山东京瓷光能科技有限公司 | Direct liquid cooling battery system and preparation method thereof |
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