CN103227352A - Device for controlling temperature of electromobile/hybrid vehicle battery cell and method - Google Patents
Device for controlling temperature of electromobile/hybrid vehicle battery cell and method Download PDFInfo
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- CN103227352A CN103227352A CN2012100217974A CN201210021797A CN103227352A CN 103227352 A CN103227352 A CN 103227352A CN 2012100217974 A CN2012100217974 A CN 2012100217974A CN 201210021797 A CN201210021797 A CN 201210021797A CN 103227352 A CN103227352 A CN 103227352A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The invention relates to a device for controlling the temperature of an electromobile/hybrid vehicle power battery cell, and a method for controlling the temperature of the electromobile/hybrid vehicle power battery cell. The device for controlling the temperature of the electromobile/hybrid vehicle power battery cell comprises a copper palladium connected to the battery cell; a heat exchanger sheet coated outside the copper palladium; and a heat-conducting plate connected to the heat exchanger sheet. The device can effectively heat or cool the battery cell of the electromobile/hybrid vehicle power, and can effectively solve the work problems of the battery under low temperature condition. The device is used for heating or cooling the electrode of the battery cell but not directly heating or cooling a casing of the battery, so that the device has the technical effects of uniform heating or cooling effect and little heat loss.
Description
Technical field
The present invention relates to the temperature control of electric automobile/Hybrid Vehicle electrokinetic cell, relate in particular to the temperature control equipment and the temperature-controlled process of a kind of electric automobile/Hybrid Vehicle cell.
Background technology
Along with the day of global energy is becoming tight, each state all steps up to have dropped into the research to pure electric/hybrid electric automobile.And electrokinetic cell also has been subjected to extensive concern as the important energy storage device of pure electric/hybrid electric automobile.Electric automobile is as main energy sources with power accumulator, with the vehicle of motor as the major impetus output device, mixed power electric car is in the working power storage battery, also can assemble traditional combustion engine as auxiliary power unit, be that battery pack is charged to utilize engine to drive generator.
As everyone knows, electrokinetic cell requires harsh to working temperature, as is not suitable for being lower than-10 ℃ or be higher than under 55 ℃ the temperature and work.Electrokinetic cell works long hours and works under low excessively/excessive temperature and will directly reduce the mileage that cruises of battery life and battery, in addition, also can directly have influence on SOC (State Of Charge), SOH (the State Of Health) precision that is used for dynamic Control calculating.Especially under the situation of low temperature, low temperature can cause battery performance sharply to descend, and then influences the dynamic property and the continual mileage of electric automobile.
At present, to the method that electrokinetic cell carries out temperature control, for example commonly used is the method that directly battery case is continued heating.Though this helps to improve the low-temperature characteristics of electrokinetic cell, but thermal losses is bigger, heat inhomogeneous, the cost height.
Summary of the invention
The present invention aims to provide a kind of heating (or cooling) temperature control equipment of electric automobile/Hybrid Vehicle power cell that effect is even, thermal losses is little and the temperature-controlled process of electric automobile/Hybrid Vehicle power cell in view of the above problems.
The temperature control equipment of electric automobile of the present invention/Hybrid Vehicle power cell is used for described cell is heated or cools off, and it is characterized in that possessing: the copper palladium that is connected with described cell; Be coated on the outer heat exchanger fin of described copper palladium; And the heat-conducting plate that is connected with described heat exchanger fin.
Preferably, described heat exchanger fin is made of insulating material.
Preferably, described copper palladium is connected with the electrode pole of described cell.
Preferably, described heat exchanger fin is made of thermal conductive ceramic or special teflon.
Preferably, described heat-conducting plate is to be made of cylindrical conductor and the tubular passageway that is inserted in wherein.
Preferably, described heat-conducting plate is arranged at the top of described cell.
Preferably, described heat-conducting plate is arranged at the side of described cell.
Preferably, also possesses the heat-conducting glue that between described heat-conducting plate and described heat exchanger fin, is provided with.
Preferably, adopt heat conductive silica gel as described heat-conducting glue.
The temperature-controlled process of electric automobile of the present invention/Hybrid Vehicle power cell is used for described cell is heated or cools off, and it is characterized in that, comprising: the Connection Step that described cell is connected with the copper palladium; Outside described copper palladium, coat the encapsulation steps of heat exchanger fin; External heat-conducting plate is connected with described heat exchanger fin, heat is delivered to described copper palladium to heat or to cool off the heating or the cooling step of described cell by described heat exchanger fin.
Preferably, in described encapsulation steps, adopt insulating material to constitute described heat exchanger fin.
Preferably, at described Connection Step, described copper palladium is connected on the electrode pole of described cell.
Preferably, in described encapsulation steps, adopt thermal conductive ceramic or special teflon to constitute described heat exchanger fin.
Preferably, in described heating or cooling step, when being connected with described heat exchanger fin, described external heat-conducting plate make described external heat-conducting plate be positioned at the top of described cell.
Preferably, in described heating or cooling step, when being connected with described heat exchanger fin, described external heat-conducting plate make described external heat-conducting plate be positioned at the side of described cell.
Preferably, the applying step that also possesses coating heat-conducting glue between described external heat-conducting plate and described heat exchanger fin.
Preferably, in described applying step, adopt heat conductive silica gel as heat-conducting glue.
Preferably, in described heating or cooling step, make described electrode heat distance to shorten toward the conductive plate side shifting.
Utilize the temperature control equipment of electric automobile of the present invention/Hybrid Vehicle power cell and the temperature-controlled process of electric automobile/Hybrid Vehicle power cell, can be effectively the cell of electric automobile/hybrid vehicle be heated (cooling), can effectively solve the work problem of battery under worst cold case.And owing to be not battery case directly to be heated (cooling) but the electrode of cell is heated (cooling), therefore, it is even to heat (cooling) effect, and thermal losses is little.
Description of drawings
Fig. 1 is the schematic diagram of structure of the cell of expression electric automobile/hybrid vehicle.
Fig. 2 (a) is the schematic perspective view of the section construction of expression electric automobile of the present invention/hybrid power automobile battery temperature control equipment, and Fig. 2 (b) is the vertical view of this section construction of expression, and Fig. 2 (c) is the A-A view of this part of expression.
Fig. 3 is the schematic diagram of structure of the electric automobile/hybrid power automobile battery temperature control equipment of expression first execution mode of the present invention.
Fig. 4 is the schematic diagram of structure of the electric automobile/hybrid power automobile battery temperature control equipment of expression the 3rd execution mode of the present invention.
Embodiment
What introduce below is a plurality of some in may embodiment of the present invention, aims to provide basic understanding of the present invention.Be not intended to confirm key of the present invention or conclusive key element or limit claimed scope.
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
First execution mode
At first, the structure for the cell 100 of electric automobile/hybrid vehicle carries out simple declaration.
Fig. 1 is the schematic diagram of structure of the cell of expression electric automobile/hybrid vehicle.As shown in Figure 1, cell 100 comprises: Positive Poles 101, positive pole ear 102, anodal coating 103, negative pole pole 104, negative lug 105, negative pole coating 106, barrier film 107, relief valve 108, external packing 109.
Wherein, Positive Poles 101 is connected with positive pole ear 102, and negative pole pole 104 is connected with negative lug 105, and Positive Poles 101, positive pole ear 102, negative pole pole 104, negative lug 105 are made of metal material.
In the present invention, for cell 100 being heated (or cooling), be that heat directly is transmitted to inside battery by the electrode of cell 100.Particularly, with reference to Fig. 2 heat-conducting mode of the present invention is described.
Fig. 2 (a) is the schematic perspective view of the section construction of expression electric automobile of the present invention/hybrid power automobile battery temperature control equipment, and Fig. 2 (b) is the vertical view of this section construction of expression, and Fig. 2 (c) is the A-A view of this part of expression.
Shown in Fig. 2 (a)～(c), for heat being directly transferred to cell 100, in the power vehicle usefulness temperature control equipment of cell 100 of the present invention, the copper palladium 200 that is connected with cell 100 is set and is coated on described copper palladium 100 heat exchanger fin 300 outward.Particularly, shown in Fig. 2 (a), this copper palladium 100 is connected between the pole of cell 100.In order to solve Insulation Problems, outside this copper palladium 100, coat one deck heat exchanger fin 300 as heat transfer medium again.
Here,, require to adopt the insulating properties material, be preferably and adopt insulating properties and thermal conductivity material preferably as the material of heat exchanger fin 300.For example, can enumerate AlN, BN, Al
2O
3Deng very thin insulation high-abrasive materials such as thermal conductive ceramic or special teflon.In addition, consider thickness,, the conductive coefficient of this material is required also can reduce along with the reduction of thickness of insulating layer to heat conducting influence.
Like this by the pole of copper palladium 100 with cell 100 is connected, heat is transmitted to the pole of cell 100 by copper palladium 100, the heat that is transmitted to pole can be by being transmitted to the inside of cell 100 with the direct-connected lug of pole, therefore, can directly heat (or cooling) to the inside of cell 100, be heating (or cooling) mode of the most direct and full blast.
Fig. 3 is the schematic diagram of structure of the electric automobile/hybrid power automobile battery temperature control equipment of expression one embodiment of the present invention.As shown in Figure 3, power vehicle of the present invention except possessing copper palladium 200 that is connected with the electrode of cell 100 and the heat exchanger fin 300 that coats copper palladium 200, also possesses heat-conducting plate 400 with the temperature control equipment of cell 100.
As shown in Figure 3, in the present invention, heat transferred is arrived heat exchanger fin 300 and copper palladium 200 by external heat-conducting plate 400, thus the cell 100 of heating (or cooling) electric automobile/hybrid vehicle.In the present embodiment, heat-conducting plate 400 is positioned at the top of cell 100, can be that up both sides are provided with 2 heat-conducting plates, can certainly be that only up a side is provided with 1 heat-conducting plate, but the effect of obviously the former heating (or cooling) is better than the latter.
Heat-conducting plate 400 is to be made of cylindrical conductor 401 and the tubular passageway 402 that is inserted in wherein.If flow through conductive fluid in tubular passageway 402, then this positive heat is directly delivered to the pole of cell 100 by heat-conducting plate 400, heat exchanger fin 300 and copper palladium 200, can directly heat cell 100; If in tubular passageway 402, flow through cooling fluid, then should negative heat be directly delivered to the pole of cell 100 by heat-conducting plate 400, heat exchanger fin 300 and copper palladium 200, can directly cool off cell 100.
In addition, based on security consideration, in the present embodiment, heat-conducting plate 400 adopts the oil cooling mode to carry out temperature control (heating/cooling), promptly flows through oil as conductive fluid/cooling fluid in described tubular passageway 402.This is because if above heat-conducting plate 400 is arranged on cell 100 time, in case the words that the conductive fluid of heat-conducting plate 400 or cooling fluid are leaked, if adopt as conductive fluid/cooling fluid under the situation of water, will cause cell 100 short circuits, and, just can not cause the generation of cell 100 short circuits when adopting under the oil condition as conductive fluid/cooling fluid.Therefore, heat-conducting plate 400 is arranged on cell 100 above the time, preferably adopt oil as conductive fluid/cooling fluid.
Electric automobile/hybrid power automobile battery temperature control equipment according to first execution mode of the invention described above, can directly heat or cool off by heat-conducting plate 400, heat exchanger fin 300 and copper palladium 200 cell 100, the heating or cooling effect is even, thermal losses is little, the efficient height.
Second execution mode
Below the electrical automobile battery temperature control device of second embodiment of the invention is described.The battery temperature control device of second embodiment of the invention is on the basis of above-mentioned first execution mode, further is increased in the structure that heat-conducting glue (not shown) is set between heat-conducting plate 400 and the heat exchanger fin 300.
As heat-conducting glue, can adopt the good silica gel of heat conductivility.Like this, utilize the heat-conducting glue that is arranged between heat-conducting plate 400 and the heat exchanger fin 300, can further improve the heat exchanger effectiveness between heat-conducting plate 400 and the heat exchanger fin 300.Therefore, can further effectively cell 100 be heated or cool off.
The 3rd execution mode
Below the electrical automobile battery temperature control device of third embodiment of the invention is described.The battery temperature control device of third embodiment of the invention is except heat-conducting plate 400 is provided with the position, and other structures with the electrical automobile battery temperature control device of above-mentioned first execution mode are identical.
Fig. 4 is the schematic diagram of structure of the electric automobile/hybrid power automobile battery temperature control equipment of expression third embodiment of the invention.As shown in Figure 4, heat-conducting plate 400 being arranged on the side of cell 100 in the 3rd execution mode, can be that 2 heat-conducting plates are set in the both sides of side, also can be that only the side in the side is provided with 1 heat-conducting plate.
Similarly, this heat-conducting plate 400 is to be made of cylindrical conductor 401 and the tubular passageway 402 that is inserted in wherein.Because heat-conducting plate 400 is arranged on the side of cell 100, therefore,, also can not leak on the electrode of cell 100 even conductive fluid/the cooling fluid that flows through is wherein leaked.Therefore, in the present embodiment, conductive fluid/cooling fluid adopts oil except that works as first execution mode, also can adopt moisture cooling fluid.
Similarly, if flow through conductive fluid in tubular passageway 402, then this positive heat is directly delivered to the pole of cell 100 by heat-conducting plate 400, heat exchanger fin 300 and copper palladium 200, can directly heat cell 100; If in tubular passageway 402, flow through cooling fluid, then should negative heat be directly delivered to the pole of cell 100 by heat-conducting plate 400, heat exchanger fin 300 and copper palladium 200, can directly cool off cell 100.
The 4th execution mode
Below the electrical automobile battery temperature control device of four embodiment of the invention is described.The battery temperature control device of four embodiment of the invention is on the basis of above-mentioned Third Way, further is increased in the structure that heat-conducting glue (not shown) is set between heat-conducting plate 400 and the heat exchanger fin 300.
As heat-conducting glue, can adopt the good silica gel of heat conductivility.Like this, utilize the heat-conducting glue that is arranged between heat-conducting plate 400 and the heat exchanger fin 300, can further improve the heat exchanger effectiveness between heat-conducting plate 400 and the heat exchanger fin 300.Therefore, can further effectively cell 100 be heated or cool off.
More than be illustrated for temperature of powered cell control device of the present invention.Under regard to temperature of powered cell control method of the present invention and carry out simple declaration.
The temperature-controlled process of electric automobile of the present invention/Hybrid Vehicle power cell is used for temperature-controlled process that cell 100 is heated or cools off, and this method comprises: the Connection Step that cell 100 is connected with copper palladium 200; In order to keep the insulating properties of copper palladium 200, outside copper palladium 200, coat the encapsulation steps of heat exchanger fin 300; External heat-conducting plate 400 is connected with heat exchanger fin 300, heat is delivered to heating or the cooling step of copper palladium 200 with heating or cooling cell 100 by heat exchanger fin 300.
Wherein, in above-mentioned encapsulation steps, adopt insulating material to constitute heat exchanger fin 300.Best, as insulating material, can adopt thermal conductive ceramic or special teflon.
In above-mentioned Connection Step, copper palladium 200 is connected on the electrode pole of cell 100.
In above-mentioned heating or cooling step, when being connected with heat exchanger fin 300, external heat-conducting plate 400 make external heat-conducting plate 400 be positioned at the top of cell 100.Described in above-mentioned first execution mode, in heat-conducting plate 400, pass through oil like this as conductive fluid or cooling fluid.Perhaps, in above-mentioned heating or cooling step, when being connected with heat exchanger fin 300, external heat-conducting plate 400 make external heat-conducting plate 400 be positioned at the side of cell 100.Like this described in above-mentioned the 3rd execution mode, can be in heat-conducting plate 400 with oil or water as conductive fluid or cooling fluid.
Further in above-mentioned heating or cooling step, shown in the arrow among Fig. 4, make electrode heat distance to shorten toward conductive plate 400 side shiftings.
Further, the applying step that in the temperature-controlled process of electric automobile of the present invention/Hybrid Vehicle power cell, also possesses coating heat-conducting glue between external heat-conducting plate 400 and heat exchanger fin 300.Adopt heat conductive silica gel as heat-conducting glue.Like this, can further improve heat exchanger effectiveness between heat-conducting plate 400 and the heat exchanger fin 300.
Above example has mainly illustrated the temperature control equipment of electric automobile of the present invention/Hybrid Vehicle power cell and the temperature-controlled process of electric automobile of the present invention/Hybrid Vehicle power cell.Although only the some of them embodiments of the present invention are described, those of ordinary skills should understand, and the present invention can be in not departing from its purport and scope implements with many other forms.Therefore, example of being showed and execution mode are regarded as illustrative and not restrictive, and under situation about not breaking away from as defined spirit of the present invention of appended each claim and scope, the present invention may be contained various modifications and replacement.
Claims (10)
1. the temperature control equipment of electric automobile/Hybrid Vehicle power cell is used for described cell is heated or cools off, and it is characterized in that possessing:
The copper palladium that is connected with described cell;
Be coated on the outer heat exchanger fin of described copper palladium; And
The heat-conducting plate that is connected with described heat exchanger fin.
2. the temperature control equipment of electric automobile as claimed in claim 1/Hybrid Vehicle power cell is characterized in that,
Described heat exchanger fin is made of insulating material.
3. the temperature control equipment of electric automobile as claimed in claim 2/Hybrid Vehicle power cell is characterized in that,
Described copper palladium is connected with the electrode pole of described cell,
Described heat exchanger fin is made of thermal conductive ceramic or special teflon, and described heat-conducting plate is to be made of cylindrical conductor and the tubular passageway that is inserted in wherein.
4. the temperature control equipment of electric automobile as claimed in claim 3/Hybrid Vehicle power cell is characterized in that,
Described heat-conducting plate is arranged at the top of described cell.
5. the temperature control equipment of electric automobile as claimed in claim 3/Hybrid Vehicle power cell is characterized in that,
Described heat-conducting plate is arranged at the side of described cell.
6. as the temperature control equipment of any described electric automobile of claim 1～5/Hybrid Vehicle power cell, it is characterized in that,
Also possess the heat-conducting glue that between described heat-conducting plate and described heat exchanger fin, is provided with,
Adopt heat conductive silica gel as described heat-conducting glue.
7. the temperature-controlled process of electric automobile/Hybrid Vehicle power cell is used for described cell is heated or cools off, and it is characterized in that, comprising:
The Connection Step that described cell is connected with the copper palladium;
Outside described copper palladium, coat the encapsulation steps of heat exchanger fin; And
External heat-conducting plate is connected with described heat exchanger fin, heat is delivered to described copper palladium to heat or to cool off the heating or the cooling step of described cell by described heat exchanger fin.
8. the temperature-controlled process of electric automobile as claimed in claim 7/Hybrid Vehicle power cell is characterized in that,
In described encapsulation steps, adopt insulating material to constitute described heat exchanger fin,
At described Connection Step, described copper palladium is connected on the electrode pole of described cell,
In described encapsulation steps, adopt thermal conductive ceramic or special teflon to constitute described heat exchanger fin.
9. the temperature-controlled process of electric automobile as claimed in claim 8/Hybrid Vehicle power cell is characterized in that,
In described heating or cooling step, when being connected with described heat exchanger fin, described external heat-conducting plate make described external heat-conducting plate be positioned at the top of described cell, perhaps,, described external heat-conducting plate makes described external heat-conducting plate be positioned at the side of described cell when being connected with described heat exchanger fin.
10. the temperature-controlled process of any described electric automobile of claim 7～9/Hybrid Vehicle power cell is characterized in that,
The applying step that also possesses coating heat-conducting glue between described external heat-conducting plate and described heat exchanger fin,
In described applying step, adopt heat conductive silica gel as heat-conducting glue,
In described heating or cooling step, make described electrode heat distance to shorten toward the conductive plate side shifting.
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| CN201210021797.4A CN103227352B (en) | 2012-01-31 | 2012-01-31 | The temperature control equipment of electromobile/hybridvehicle vehicle battery cell and method |
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| CN201210021797.4A CN103227352B (en) | 2012-01-31 | 2012-01-31 | The temperature control equipment of electromobile/hybridvehicle vehicle battery cell and method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280988A (en) * | 2014-07-15 | 2016-01-27 | 罗伯特·博世有限公司 | Single-cell connector having temperature control device, battery single cell, battery module and motor vehicle |
| CN106129527A (en) * | 2016-08-11 | 2016-11-16 | 北京交通大学 | A kind of Li-ion batteries piles lug liquid cooling apparatus cold based on liquid |
| CN106785181A (en) * | 2015-11-20 | 2017-05-31 | 哈尔滨智明科技有限公司 | A kind of temprature control method of power battery module |
| CN107871914A (en) * | 2016-09-27 | 2018-04-03 | 通用汽车环球科技运作有限责任公司 | Vehicular battery cooling system |
| CN108987844A (en) * | 2017-05-31 | 2018-12-11 | 比亚迪股份有限公司 | A kind of battery and battery modules |
| CN109830780A (en) * | 2019-01-28 | 2019-05-31 | 天津荣事顺发电子有限公司 | A kind of pair of battery electrode temperature balancing device |
| CN110544804A (en) * | 2019-07-31 | 2019-12-06 | 天津荣事顺发电子有限公司 | Mechanism for rapidly radiating heat of battery cell and processing method thereof |
| CN110931896A (en) * | 2019-11-28 | 2020-03-27 | 湖南海博瑞德电智控制技术有限公司 | Lithium ion battery temperature management system |
| CN111403853A (en) * | 2020-03-28 | 2020-07-10 | 哈尔滨工程大学 | Power battery thermal management system based on joint liquid cooling heat dissipation of utmost point ear and module bottom |
| CN113571832A (en) * | 2020-04-29 | 2021-10-29 | 株式会社Lg化学 | Battery pack and device including the same |
| DE102022103705A1 (en) | 2022-02-17 | 2023-08-17 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | battery cell |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280988A (en) * | 2014-07-15 | 2016-01-27 | 罗伯特·博世有限公司 | Single-cell connector having temperature control device, battery single cell, battery module and motor vehicle |
| CN106785181A (en) * | 2015-11-20 | 2017-05-31 | 哈尔滨智明科技有限公司 | A kind of temprature control method of power battery module |
| CN106129527A (en) * | 2016-08-11 | 2016-11-16 | 北京交通大学 | A kind of Li-ion batteries piles lug liquid cooling apparatus cold based on liquid |
| CN106129527B (en) * | 2016-08-11 | 2019-04-26 | 江苏卓岸电源科技有限公司 | A kind of Li-ion batteries piles tab liquid cooling apparatus based on liquid cooling |
| CN107871914A (en) * | 2016-09-27 | 2018-04-03 | 通用汽车环球科技运作有限责任公司 | Vehicular battery cooling system |
| CN107871914B (en) * | 2016-09-27 | 2020-09-15 | 通用汽车环球科技运作有限责任公司 | Vehicle battery cooling system |
| CN108987844A (en) * | 2017-05-31 | 2018-12-11 | 比亚迪股份有限公司 | A kind of battery and battery modules |
| CN109904560A (en) * | 2019-01-28 | 2019-06-18 | 天津荣事顺发电子有限公司 | A kind of pair of battery electrode rapid heat radiation device |
| CN109904557A (en) * | 2019-01-28 | 2019-06-18 | 天津荣事顺发电子有限公司 | A kind of pair of battery electrode low-temperature heating device |
| CN110148812A (en) * | 2019-01-28 | 2019-08-20 | 天津荣事顺发电子有限公司 | A kind of pair of battery electrode cooling and heating device |
| WO2020156396A1 (en) * | 2019-01-28 | 2020-08-06 | 天津荣事顺发电子有限公司 | Ceramic system for performing thermal management on battery and processing method therefor |
| CN109830780A (en) * | 2019-01-28 | 2019-05-31 | 天津荣事顺发电子有限公司 | A kind of pair of battery electrode temperature balancing device |
| CN110544804A (en) * | 2019-07-31 | 2019-12-06 | 天津荣事顺发电子有限公司 | Mechanism for rapidly radiating heat of battery cell and processing method thereof |
| CN110931896A (en) * | 2019-11-28 | 2020-03-27 | 湖南海博瑞德电智控制技术有限公司 | Lithium ion battery temperature management system |
| CN111403853A (en) * | 2020-03-28 | 2020-07-10 | 哈尔滨工程大学 | Power battery thermal management system based on joint liquid cooling heat dissipation of utmost point ear and module bottom |
| CN113571832A (en) * | 2020-04-29 | 2021-10-29 | 株式会社Lg化学 | Battery pack and device including the same |
| DE102022103705A1 (en) | 2022-02-17 | 2023-08-17 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | battery cell |
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