CN109273635A - A kind of high magnification charging liquid cooling battery case - Google Patents
A kind of high magnification charging liquid cooling battery case Download PDFInfo
- Publication number
- CN109273635A CN109273635A CN201811128334.1A CN201811128334A CN109273635A CN 109273635 A CN109273635 A CN 109273635A CN 201811128334 A CN201811128334 A CN 201811128334A CN 109273635 A CN109273635 A CN 109273635A
- Authority
- CN
- China
- Prior art keywords
- liquid cooling
- battery
- main box
- high magnification
- battery modules
- 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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Classifications
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- 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
- H01M10/62—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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- 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
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- 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
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of high magnification charging liquid cooling battery cases, including open-topped, hollow main box (50)；The top covering of the main box (50) is connected with case lid (10)；The main box (50) is internally provided with battery module, and the battery module includes multiple battery modules (70)；Each battery modules (70) include the battery battery core of multiple longitudinal parallel side-by-side settings；The front and rear sides of each battery modules (70) are respectively arranged with a liquid cooling plate (63)；A liquid cooling pipeline (61) is respectively arranged at left and right sides of the battery module；The liquid cooling pipeline (61) is connected with the liquid cooling plate (63).The present invention can efficiently control the problem of temperature rise of lithium electricity, to guarantee that it is electrically operated that the battery core in battery modules carries out powerful charge and discharge, and then guarantee the security performance of battery core, the use security risk of battery modules is significantly reduced, guarantees the general safety performance of battery modules.
Description
Technical field
The present invention relates to battery technology fields, more particularly to a kind of high magnification charging liquid cooling battery case.
Background technique
Currently, it is new that there is an urgent need to commercial vehicles in market according to the commercial vehicle new energy dynamical system product standard that country puts into effect
Energy power system can satisfy in groups that rate is higher, the charging time is short and the requirement of the work of wide temperature, multizone covering etc..
With the fast development of electric vehicle industry, the mode of electric vehicle battery system is more and more diversified, and lithium ion battery takes into account height
Energy density, high security and good service life cycle.
But by taking pure electric Cooling System as an example, due to itself limitation of lithium ion battery chemical property, natural cooling
In the case of, high magnification charge and discharge easily cause battery core temperature rise excessively high, and cycle life is caused to reduce；Meanwhile the work temperature of battery core itself
Range is spent, the temperature range that can be worked normally of system is also limit, can not achieve the covering performance in national multizone, thus
The use scope of pure electric vehicle dynamical system is limited to.And then affect the widely available of battery system.
Therefore, the problem of temperature rise of lithium electricity can be efficiently controlled there is an urgent need to develop a kind of product out at present, to protect
The powerful charge and discharge of battery core progress demonstrate,proved in battery modules is electrically operated, and then guarantees the security performance of battery core, significantly reduces battery
The use security risk of mould group guarantees the general safety performance of battery modules.
Summary of the invention
In view of this, being had excellent performance, Ke Yiyou the object of the present invention is to provide a kind of high magnification charging liquid cooling battery case
The problem of temperature rise of effect ground control lithium electricity, thus guarantee that the powerful charge and discharge of battery core progress in battery modules is electrically operated, Jin Erbao
The security performance for demonstrate,proving battery core, significantly reduces the use security risk of battery modules, guarantees the general safety performance of battery modules, shows
The use security risk for reducing battery modules is write, guarantees the general safety performance of battery modules, is capable of forming the scale of industry,
Be conducive to widely apply, be of great practical significance.
For this purpose, the present invention provides a kind of high magnification charging liquid cooling battery cases, including open-topped, hollow main tank
Body；
The top covering of the main box is connected with a case lid；
The main box is internally provided with battery module, and the battery module includes multiple battery modules；
Each battery modules include the battery battery core of multiple longitudinal parallel side-by-side settings；
The front and rear sides of each battery modules are respectively arranged with a liquid cooling plate；
A liquid cooling pipeline is respectively arranged at left and right sides of the battery module；
The liquid cooling pipeline is connected with the liquid cooling plate.
Wherein, the top surrounding for stating main box is provided with flange；
The bottom surrounding of the case lid is provided with flange；
The flange of flange and the case lid bottom at the top of the main box mutually bolts.
Wherein, the position between the flange at the top of the main box and the flange of the case lid bottom is additionally provided with ring
Around the sealing element of distribution；
The sealing element is sealing foam.
Wherein, the table of heat conductive silica gel or the liquid cooling plate is coated in the gap between the liquid cooling plate and battery battery core
Face paste has thermally conductive sheet.
Wherein, there is a cooling liquid flowing channel in each liquid cooling plate；
The left and right ends of the liquid cooling plate are respectively provided with a cold plate pin end；
The left and right ends of the cooling liquid flowing channel are connected with a cold plate pin end respectively；
The liquid cooling pipeline is connected with multiple connection branches, and the end of each connection branch is connected with a fast slotting mother and connects
Head；
It is plugged between the female connector slotting fastly and cold plate pin end.
Wherein, the inner sidewall of the main box and case lid is respectively arranged with the thermal insulation thermal insulation board around distribution.
Wherein, the front bolt of the main box has integrated panel；
It is integrally disposed on the integrated panel to there is total ahead power connector, fuse, communication mounting hole and total negative power to connect
Plug-in unit；
Total ahead power connector and total negative power connectors draw two parallel power harness respectively.
By the above technical solution provided by the invention as it can be seen that compared with prior art, a kind of high power provided by the invention
Rate charging liquid cooling battery case, has excellent performance, can efficiently control the problem of temperature rise of lithium electricity, to guarantee in battery modules
Battery core carries out that powerful charge and discharge is electrically operated, and then guarantees the security performance of battery core, significantly reduce battery modules using safe
Risk guarantees the general safety performance of battery modules, is capable of forming the scale of industry, is conducive to widely apply, and has weight
Big production practices meaning.
Detailed description of the invention
Fig. 1 is a kind of exploded perspective structural schematic diagram of high magnification charging liquid cooling battery case provided by the invention；
Fig. 2 is the battery module structure signal that any one in a kind of battery case provided by the invention is provided with liquid cooling plate
Figure；
Fig. 3 is the structural schematic diagram of the liquid cooling pipeline in a kind of battery case provided by the invention；
Fig. 4 is a kind of structural schematic diagram of the integrated panel of the front panel setting of battery case provided by the invention；
In figure, 10 be case lid, and 20 be heat insulation layer, and 30 be sealing element, and 40 be integrated panel, and 50 be main box, and 60 are
Liquid cooled module, 70 be battery modules.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawing with embodiment to this
Invention is described in further detail.
Referring to Fig. 1 to Fig. 4, charge liquid cooling battery case the present invention provides a kind of high magnification, including open-topped, hollow
Main box 50；
The top covering of the main box 50 is connected with a case lid 10；
The main box 50 is internally provided with battery module, and the battery module includes multiple battery modules 70；
Each battery modules 70 include the battery battery core of multiple longitudinal parallel side-by-side settings；
The front and rear sides of each battery modules 70 are respectively arranged with a liquid cooling plate 63；
A liquid cooling pipeline 61 is respectively arranged at left and right sides of the battery module；
The liquid cooling pipeline 61 is connected with the liquid cooling plate 63.
It should be noted that each battery modules 70 can be by internal battery core and die-filling group of group for the present invention
Shell composition.
In the present invention, the cross section of each battery battery core is rectangle.
In the present invention, in specific implementation, the top surrounding of the main box 50 is provided with flange (edge i.e. outstanding
Portion)；
The bottom surrounding of the case lid 10 is provided with flange (edge part i.e. outstanding)；
The flange at 50 top of main box and the flange of 10 bottom of case lid mutually bolt.
Position in specific implementation, between the flange of 10 bottom of flange and the case lid at 50 top of main box
It is additionally provided with the sealing element 30 around distribution；
The sealing element 30 is sealing foam.
It therefore, is the main structure of battery case with main box 50 and case lid 10 for the present invention.Case lid 10 and main tank
For body 50 using flange face as contact surface model, 50 flange of main box rivets boss nut, and is aided with sealing foam 30, passes through bolt
Connect the integrally closed structure for completing battery case 80.
In the present invention, in specific implementation, it is coated with heat conductive silica gel in the gap between the liquid cooling plate 63 and battery battery core,
Or thermally conductive sheet is posted on the surface of the liquid cooling plate 63, and is subject to bolt mode, is fixed together with battery modules, realizes and electricity
The fitting of Chi Mo group.
In the present invention, in specific implementation, there is a cooling liquid flowing channel in each liquid cooling plate 63；
The left and right ends of the liquid cooling plate 63 are respectively provided with a cold plate pin end 604；
The left and right ends of the cooling liquid flowing channel are connected with a cold plate pin end 604 respectively；
The liquid cooling pipeline 61 is connected with multiple connection branches 610, and the end of each connection branch 610 is connected with one
Slotting female connector 611 fastly；
It is plugged between the female connector 611 slotting fastly and cold plate pin end 604.
It should be noted that liquid cooling plate 63 is the main component for completing heat exchange for the present invention, cooling supply is arranged inside
But the logical cooling liquid flowing channel of liquid stream.Assembly method is separately positioned on the two sides inside battery case using two liquid cooling pipelines 61, leads to
Too fast slotting female connector 611 is completed with cold plate pin end 604 to slotting connection, is returned to form multiple liquid cooling plates liquid cooling parallel with one another
Road.
Therefore, the present invention is by inserting female connector 611 and cold plate pin end 604 fastly, can be realized liquid cooling pipeline 61 with it is multiple
Series and parallel in battery modules between liquid cooling plate connects.
In specific implementation, one end (specially front end) of every liquid cooling pipeline 61 is respectively provided with a main connection
610；
Two main connections 610 are capable of providing the cold of flowing with outside respectively respectively as the inlet and outlet of coolant liquid
But the device of liquid is connected, such as is connected with external pump and heat exchanger by pipeline, has been filled with coolant liquid in the pipeline.
In specific implementation, the coolant liquid is preferably the fire-retardant coolant liquid flowed.
In the present invention, in specific implementation, for the present invention, as shown in Figure 1, for including liquid cooling plate 63 and liquid cooling pipeline
61 cooling component 60 is located at the inside of battery case, in order to enhance the working efficiency of liquid cooled module 60, reduces cooling system and electricity
The inner sidewall of heat exchange between the case external environment of pond, the main box 50 and case lid 10 is respectively arranged with the guarantor around distribution
Warm thermal insulation board 20；
It should be noted that the thermal insulation thermal insulation board 20 is made of the insulation cotton using foaming structure, pass through bonding
Agent or adhesive tape are fixed in the battery case being made of main box 50 and case lid 10.
In the present invention, described as shown in Figure 1, the front bolt of the main box 50 has integrated panel in specific implementation
40；
It is integrally disposed on the integrated panel 40 to have total ahead power connector (i.e. total positive interface) 402, fuse 403, lead to
Believe mounting hole 404 and total negative power connectors 405；
Total ahead power connector (i.e. total positive interface) 402 and total negative power connectors 405 draw two parallel connections respectively
Dynamic wire harness 401.
Therefore, for the present invention, by integrated panel 40, it is integrated to may be implemented electricity piece, fast demountable, and has light
Quantify advantage.
In the present invention, it in specific implementation, is carried out between the battery modules 70 and main box 50 using multiple fasteners
It is fixedly connected.
In the present invention, in specific implementation, the case lid 10 is the aluminium alloy of 6 systems, and it is aluminium metal plate that the main box 50, which is 6,
It is formed with 5 line aluminium alloy section weldeds.
It should be noted that system compact, rate is high in groups for the present invention, continuing for system high-current may be implemented
Charge and discharge；Meanwhile wide temperature, wide region overlay can be realized by liquid cooling system, be conducive to widely apply, have better
Practical performance.
Based on above technical solution it is found that for high magnification provided by the invention charge liquid cooling battery case, have with
Beneficial technical effect down:
1, panel degree of integration is high, and fast demountable improves production capacity, and has lightweight advantage, substantially reduces the work of production
Skill process；
2, the battery modules busbar connector in it uses FCL bond pattern, improves production welding efficiency；
3, the integrated panel of the Battery case meets larger current-carrying capacity using double branch power lines, may be implemented high magnification fill,
Electric discharge, can effectively reduce the harness quantity in battery modules, and packaging efficiency is high；
4, battery modules use the refrigerating mode of two sides liquid cooling plate, are respectively provided with liquid cooling in the front and rear sides of each battery modules
Plate can preferably control temperature rise in conjunction with the liquid cooling pipeline of the left and right sides, realize high rate charge-discharge, realize and battery core high speed
The heat exchange performance of rate；
5, thermal insulation material is pasted entirely in battery case, it can be achieved that being isolated in case with case external environment, enhance the heat of heat management system
Convert service efficiency.
6, welding efficiency can be improved using FCL bond pattern in battery core string and the row of connection, improves the production capacity of system.
Therefore, in conclusion compared with prior art, a kind of high magnification provided by the invention charges liquid cooling battery case,
It has excellent performance, and can efficiently control the problem of temperature rise of lithium electricity, to guarantee that the battery core progress in battery modules is powerful
Charge and discharge is electrically operated, and then guarantees the security performance of battery core, significantly reduces the use security risk of battery modules, guarantees battery modules
General safety performance, be capable of forming the scale of industry, be conducive to widely apply, be of great practical significance.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
- The liquid cooling battery case 1. a kind of high magnification charges, which is characterized in that including open-topped, hollow main box (50)；The top covering of the main box (50) is connected with a case lid (10)；The main box (50) is internally provided with battery module, and the battery module includes multiple battery modules (70)；Each battery modules (70) include the battery battery core of multiple longitudinal parallel side-by-side settings；The front and rear sides of each battery modules (70) are respectively arranged with a liquid cooling plate (63)；A liquid cooling pipeline (61) is respectively arranged at left and right sides of the battery module；The liquid cooling pipeline (61) is connected with the liquid cooling plate (63).
- The liquid cooling battery case 2. high magnification as described in claim 1 charges, which is characterized in that state the top surrounding of main box (50) It is provided with flange；The bottom surrounding of the case lid (10) is provided with flange；The flange of flange and the case lid (10) bottom at the top of the main box (50) mutually bolts.
- The liquid cooling battery case 3. high magnification as claimed in claim 2 charges, which is characterized in that the method at the top of the main box (50) Position between the flange of case lid described in Lan Bianyu (10) bottom is additionally provided with the sealing element (30) around distribution；The sealing element (30) is sealing foam.
- The liquid cooling battery case 4. high magnification as described in claim 1 charges, which is characterized in that the liquid cooling plate (63) and battery electricity Post thermally conductive sheet in the surface that heat conductive silica gel or the liquid cooling plate (63) are coated in gap between core.
- The liquid cooling battery case 5. high magnification as described in claim 1 charges, which is characterized in that tool in each liquid cooling plate (63) There is a cooling liquid flowing channel；The left and right ends of the liquid cooling plate (63) are respectively provided with a cold plate pin end (604)；The left and right ends of the cooling liquid flowing channel are connected with a cold plate pin end (604) respectively；The liquid cooling pipeline (61) is connected with multiple connection branches (610), and the end of each connection branch (610) is connected with one A slotting fastly female connector (611)；It is plugged between slotting fastly female connector (611) and cold plate pin end (604).
- The liquid cooling battery case 6. high magnification as described in claim 1 charges, which is characterized in that the main box (50) and case lid (10) inner sidewall is respectively arranged with the thermal insulation thermal insulation board (20) around distribution.
- The liquid cooling battery case 7. high magnification as described in claim 1 charges, which is characterized in that the front bolt of the main box (50) It is connected to integrated panel (40)；It is integrally disposed on the integrated panel (40) to have total ahead power connector (402), fuse (403), communication mounting hole (404) and total negative power connectors (405)；Total ahead power connector (402) and total negative power connectors (405) draw two parallel power harness respectively (401)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128334.1A CN109273635A (en) | 2018-09-27 | 2018-09-27 | A kind of high magnification charging liquid cooling battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811128334.1A CN109273635A (en) | 2018-09-27 | 2018-09-27 | A kind of high magnification charging liquid cooling battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109273635A true CN109273635A (en) | 2019-01-25 |
Family
ID=65198490
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811128334.1A Pending CN109273635A (en) | 2018-09-27 | 2018-09-27 | A kind of high magnification charging liquid cooling battery case |
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| Country | Link |
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| CN (1) | CN109273635A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212265A (en) * | 2019-06-05 | 2019-09-06 | 武汉科技大学 | A kind of direct current charge liquid cooling battery system and its thermal management algorithm |
| CN110931907A (en) * | 2019-11-20 | 2020-03-27 | 湖南科霸汽车动力电池有限责任公司 | Control method for high-rate charging temperature of battery pack |
| CN110994068A (en) * | 2019-11-28 | 2020-04-10 | 重庆长安新能源汽车科技有限公司 | Integrated power battery cooling structure and power battery |
| GB2588589A (en) * | 2019-10-18 | 2021-05-05 | Dyson Technology Ltd | Battery pack |
| CN114430868A (en) * | 2019-09-24 | 2022-05-03 | 标致雪铁龙汽车股份有限公司 | Battery module |
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| CN108539317A (en) * | 2017-11-24 | 2018-09-14 | 南京依维柯汽车有限公司 | A kind of circulating liquid cooling heating automobile batteries |
| CN208939038U (en) * | 2018-09-27 | 2019-06-04 | 力神动力电池系统有限公司 | A kind of high magnification charging liquid cooling battery case |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110212265A (en) * | 2019-06-05 | 2019-09-06 | 武汉科技大学 | A kind of direct current charge liquid cooling battery system and its thermal management algorithm |
| CN114430868A (en) * | 2019-09-24 | 2022-05-03 | 标致雪铁龙汽车股份有限公司 | Battery module |
| GB2588589A (en) * | 2019-10-18 | 2021-05-05 | Dyson Technology Ltd | Battery pack |
| GB2588589B (en) * | 2019-10-18 | 2022-04-27 | Dyson Technology Ltd | Battery pack |
| CN110931907A (en) * | 2019-11-20 | 2020-03-27 | 湖南科霸汽车动力电池有限责任公司 | Control method for high-rate charging temperature of battery pack |
| CN110994068A (en) * | 2019-11-28 | 2020-04-10 | 重庆长安新能源汽车科技有限公司 | Integrated power battery cooling structure and power battery |
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