CN113285142A - Phase change material composite liquid cooled battery thermal management device and application thereof - Google Patents
Phase change material composite liquid cooled battery thermal management device and application thereof Download PDFInfo
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- CN113285142A CN113285142A CN202110553913.6A CN202110553913A CN113285142A CN 113285142 A CN113285142 A CN 113285142A CN 202110553913 A CN202110553913 A CN 202110553913A CN 113285142 A CN113285142 A CN 113285142A
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- 239000012782 phase change material Substances 0.000 title claims abstract description 93
- 239000007788 liquid Substances 0.000 title claims abstract description 68
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 238000001816 cooling Methods 0.000 claims abstract description 70
- 239000012188 paraffin wax Substances 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 20
- 238000007726 management method Methods 0.000 description 20
- 238000005338 heat storage Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
-
- 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
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
-
- 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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- 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)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the technical field of power battery heat dissipation, in particular to a battery heat management device cooled by phase change material composite liquid and application thereof. The invention provides a phase-change material composite liquid cooled battery heat management device which comprises a single battery, a phase-change material composite body, a liquid cooling plate and a water pump, wherein the single battery is embedded in the phase-change material composite body, the liquid cooling plate is arranged in the phase-change material composite body, a water outlet of the water pump is connected with a water inlet of the liquid cooling plate, and the phase-change material composite body comprises paraffin.
Description
Technical Field
The invention relates to the technical field of power battery heat dissipation, in particular to a battery heat management device cooled by phase change material composite liquid and application thereof.
Background
As a first choice for replacing a traditional fuel automobile, the electric automobile mainly adopts a power battery as a driving force, and the chemical energy of the battery is converted into mechanical energy through parts such as a motor and a controller to drive the electric automobile to operate. The safety, especially the thermal safety, of the power battery is crucial as a core component of the new energy electric automobile. The existing power battery generally adopts a cylindrical battery, a square battery or a soft package battery to form a high-power and high-capacity battery pack in a series connection, parallel connection and other modes. The power battery can generate a large amount of heat in the charging and discharging process with high multiplying power, if the heat is not timely and quickly dissipated to the air environment, the capacity and the service life of the power battery can be quickly attenuated, even thermal runaway can be caused, and the phenomena of explosion and the like can be caused in severe cases. Therefore, in order to improve the safety and stability of the electric vehicle, it is necessary to provide a battery thermal management device to maintain the balance of the internal temperature of the battery pack.
Phase change material cooling is a new battery thermal management technology, and is favored and concerned by the industry. The phase-change material cooling has the advantages of compact structure, large phase-change latent heat, good temperature-equalizing performance and the like. However, since it has a low thermal conductivity and is difficult to exchange heat with air, it has a disadvantage of being easily deteriorated in a continuous high temperature environment or a continuous heat absorption process.
Disclosure of Invention
In view of the above, the invention provides a phase change material composite liquid cooled battery thermal management device, which is at least used for solving the technical problem that the heat dissipation capacity is invalid after heat storage saturation caused by poor heat dissipation capacity to the outside in the cooling process of the existing phase change material.
The specific technical scheme of the invention is as follows:
a first aspect of the invention provides a phase change material composite liquid cooled battery thermal management device,
the battery heat management device comprises a single battery, a phase-change material complex, a liquid cooling plate and a water pump,
the single battery is embedded in the phase change material composite body;
the liquid cooling plate is arranged in the phase-change material complex;
the water outlet of the water pump is connected with the water inlet of the liquid cooling plate;
the phase change material composite includes paraffin.
Preferably, the phase change material composite further includes expanded graphite.
The expanded graphite is used as a heat conduction additive, so that on one hand, the heat conductivity between the phase-change material complex and the liquid cooling plate is improved, the external heat dissipation capacity of the phase-change material complex is further improved, and the effect of cooling the phase-change material complex is better; meanwhile, the heat conductivity in the phase-change material complex is improved, so that heat storage of all parts of the phase-change material complex is uniform, and the temperature difference between the single batteries wrapped by the phase-change material complex is further reduced.
Preferably, the phase change material composite further includes an epoxy resin.
It should be noted that the epoxy resin can be used as a setting agent for the phase-change material composite, so that the phase-change material composite does not deform in a high-temperature environment or in a continuous working process, the original shape of the phase-change material composite is maintained, and the problems that the phase-change material composite cannot be tightly attached to the single battery due to deformation, the heat conduction resistance is increased, and the heat conduction efficiency between the phase-change material composite and the single battery is reduced are solved.
Preferably, the water pump comprises two water outlets, and the two water outlets of the water pump are connected with the water inlets of the two liquid cooling plates at the middle.
It should be noted that, because the outermost liquid cooling plate may dissipate a portion of heat through air, for example, the heat dissipation efficiency is high, and the heat dissipation efficiency of the innermost liquid cooling plate is low, so that the heat storage saturation of the innermost phase change material complex is likely to occur, and the outermost liquid cooling plate also has the heat storage capacity, therefore, by connecting the two water outlets of the water pump with the water inlets of the two innermost liquid cooling plates, the heat dissipation efficiency of the innermost liquid cooling plate may be improved, and the difference between the heat dissipation efficiencies of the innermost phase change material complex and the outer liquid cooling plates is reduced.
Preferably, the battery thermal management device further comprises a water tank;
the water tank comprises a water outlet and a water return port;
the water outlet of the water tank is connected with the water inlet of the water pump;
and the water outlet of the liquid cooling plate is connected with the water return port of the water tank.
It should be noted that two closed circulating water paths are formed between the water pump serving as a driving force and the water tank, so that the phase change material composite body can be continuously cooled for a long time by the battery heat management device, and the problem that the battery heat management device is not suitable for new energy vehicles due to the fact that water cannot be recycled to the water tank and the time and capacity for cooling the phase change material composite body are limited is avoided.
Preferably, the battery thermal management device further comprises a case, a duct;
the single battery, the phase-change material complex, the liquid cooling plate and the water pump are arranged in the box body;
the water outlet of the water tank is connected with the water inlet of the water pump through the conduit;
the water outlet of the water pump is connected with the water inlet of the liquid cooling plate through the conduit;
the adjacent liquid cooling plates are connected through the guide pipe;
the water outlet of the liquid cooling plate is connected with the water return port of the water tank through the guide pipe.
Preferably, the diameter of the conduit is less than the thickness of the liquid cooling plate.
Preferably, the diameter of the guide pipe is 4-5 mm, and the thickness of the liquid cooling plate is 5-6 mm.
Preferably, more than one single battery forms a battery pack.
The invention provides an application of the phase-change material composite liquid cooled battery thermal management device in the field of electric automobiles.
In summary, the present application provides a phase change material composite liquid cooled battery thermal management device, the battery heat management device comprises a single battery, a phase-change material complex, a liquid cooling plate and a water pump, the single battery is embedded in the phase-change material composite body, the liquid cooling plate is arranged in the phase-change material composite body, the water outlet of the water pump is connected with the water inlet of the liquid cooling plate, the phase-change material complex comprises paraffin, a heat-conducting water path is formed in the liquid cooling plate by using the water pump as a driving force, the heat stored in the phase-change material complex is conducted away by the principle of convective heat transfer, thereby achieving the technical effects of improving the external heat dissipation capacity of the phase-change material complex and cooling the phase-change material complex, solving the problems that in the heat dissipation process of the phase-change material complex, the technical problem of the failure of heat dissipation capability after heat storage saturation caused by poor heat dissipation capability to the outside.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of a liquid-cooled battery thermal management device of a phase change material according to the present invention;
fig. 2 is a schematic structural view of a liquid-cooled battery thermal management device made of a phase change material, in which a box body and a circulating water path are removed;
FIG. 3 is a schematic structural view of a liquid cooling plate of a liquid-cooled battery thermal management apparatus for phase change materials according to the present invention;
in the drawings of the specification: 1-a box body; 2-a phase change material composite; 3-a battery pack; 4-a single cell; 5-a catheter; 6-liquid cooling plate; 7-a water pump; 8-a water tank.
Detailed Description
The invention provides a phase change material composite liquid cooled battery thermal management device which is at least used for solving the technical problem that the heat dissipation capacity is invalid after heat storage saturation caused by poor heat dissipation capacity to the outside in the cooling process of the existing phase change material.
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
Example 1
Referring to fig. 2, the present invention provides a liquid-cooled battery thermal management device based on a phase-change material, including a phase-change material complex 2, a single battery 4, a liquid cooling plate 6, and a water pump 7, wherein the single battery 4 is embedded in the phase-change material complex 2, the liquid cooling plate 6 is disposed in the phase-change material complex 2, a water outlet of the water pump 7 is connected to a water inlet of the liquid cooling plate 6, and the phase-change material complex 2 includes paraffin;
the phase-change material paraffin cooling has the advantages of compact structure, large phase-change latent heat, good temperature equalization performance and the like, so that the paraffin-wrapped single batteries can keep the temperature difference between the single batteries low, but the paraffin has low heat conduction coefficient, so that the paraffin is easy to lose efficacy in a continuous high-temperature environment or a continuous heat absorption process, therefore, the invention uses the water pump as the driving force to drive water flow to form a heat conduction water path in the liquid cooling plate, and leads away the heat stored in the phase-change material complex by the principle of convection heat exchange, thereby achieving the technical effects of improving the external heat dissipation capacity of the phase-change material complex and cooling the phase-change material complex, and solving the technical problem of the heat dissipation capacity failure after heat storage saturation caused by poor external heat dissipation capacity in the phase-change material complex cooling process.
Example 2
Referring to fig. 1, 2 and 3, the present invention provides a liquid-cooled battery thermal management device based on a phase change material, including a box 1 and a plurality of battery packs 3 disposed in the box 1, each battery pack 3 includes more than one battery cell 4, each battery cell 4 is a cylindrical battery, each battery cell 4 is embedded in a phase change material composite 2, a liquid cooling plate 6 is disposed in the phase change material composite 2, and adjacent liquid cooling plates 6 are respectively connected by a conduit 5.
The water tank 8 and the water pump 7 are arranged in the box body 1 at the same time, a water outlet and two water return ports are formed in the water tank 8, the water pump 7 is provided with a water inlet and two water outlets, the water inlet of the water pump 7 is connected with the water outlet of the water tank 8 through a guide pipe 5, the two water outlets of the water pump 7 are respectively connected with the water inlets of the two liquid cooling plates 6 at the middle through the guide pipe 5, the water outlets of the two liquid cooling plates 6 at the outermost sides are respectively connected with the two water return ports of the water tank 8 through the guide pipe 5, and the water pump 7 is used as power to form a closed circulating water path between the water tank 8 and the liquid cooling plates 6 so as to take away heat of the battery pack 3.
From the foregoing, it can be appreciated that the present invention is embedded within a phase change material composite by being interposed between cells within a case. The phase-change material has good temperature uniformity and heat storage performance, can be well attached to the cylindrical battery, absorbs heat generated in the charging and discharging process of the battery pack, and ensures that the temperature difference between single batteries in the battery pack is in a proper range; meanwhile, a liquid cooling plate arranged in the phase-change material complex forms two closed circulating water paths with the water tank by using a water pump as a driving force, and the heat stored in the phase-change material complex is conducted away by the principle of convective heat transfer, so that the technical effect of cooling the phase-change material complex and the battery pack is achieved;
in the embodiment, the phase-change material composite 2 embedded with the single battery 4 is made of raw materials such as expanded graphite, paraffin and epoxy resin matrix, and has good heat conduction performance and heat storage performance;
the paraffin is deformed after absorbing heat, so that a phase-change material complex formed by single paraffin is not tightly attached to the single battery after absorbing heat, and after the epoxy resin is added as a shaping agent of the phase-change material complex, the phase-change material complex can not deform in a high-temperature environment or in a continuous working process, the original shape of the phase-change material complex is kept, and the problems that the phase-change material complex cannot be tightly attached to the single battery due to deformation, the heat conduction resistance is increased, and the heat conduction efficiency between the phase-change material complex and the single battery is reduced are solved;
meanwhile, the expanded graphite is added as a heat conducting additive, so that on one hand, the heat conductivity between the phase-change material complex and the liquid cooling plate is improved, the external heat dissipation capacity of the phase-change material complex is further improved, and the effect of cooling the phase-change material complex is better; meanwhile, the heat conductivity in the phase-change material complex is improved, so that heat storage of all parts of the phase-change material complex is uniform, and the temperature difference between the single batteries wrapped by the phase-change material complex is further reduced;
in the present embodiment, the thickness of the liquid cooling plate 6 is 5 to 6mm, and the diameter of the water pipe in the liquid cooling plate 6 is 4 to 5 mm.
In this embodiment, the water inlets of the liquid cooling plates 6 are arranged at the two middle blocks, and the water outlets are arranged at the two outermost blocks, so as to form two closed circulating water paths with the water tank 8 and the water pump 7. The water pump 7 is used as a driving force to enable the cooling liquid in the water tank 8 to be circulated continuously, so that the heat stored in the phase-change material complex 2 is taken away, and the heat dissipation efficiency is improved;
because the most outside liquid cooling board can dispel a part of heat through the air, consequently the radiating efficiency is high, and the liquid cooling board radiating efficiency of the centre is low, consequently, it is saturated to appear the heat-retaining of the phase change material complex body of the centre easily, and outside liquid cooling board still has the condition of heat-retaining surplus, consequently, can improve the liquid cooling board radiating efficiency of the centre through linking to each other two delivery ports with the water inlet of two liquid cooling boards of the centre of the water pump, the radiating efficiency difference of the phase change material complex body of the centre and outside liquid cooling board has been reduced apart from, can further reduce the difference in temperature between the group battery.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The battery heat management device is characterized by comprising a single battery, a phase-change material composite body, a liquid cooling plate and a water pump;
the single battery is embedded in the phase change material composite body;
the liquid cooling plate is arranged in the phase-change material complex;
the water outlet of the water pump is connected with the water inlet of the liquid cooling plate;
the phase change material composite includes paraffin.
2. The battery thermal management apparatus of claim 1, wherein the phase change material composite further comprises expanded graphite.
3. The battery thermal management apparatus of claim 1, wherein the phase change material composite further comprises an epoxy.
4. The battery thermal management apparatus of claim 1, wherein the water pump comprises two water outlets, the two water outlets of the water pump being connected to the water inlets of the two liquid cooling panels at the center.
5. The battery thermal management apparatus of claim 1, further comprising a water tank;
the water tank comprises a water outlet and a water return port;
the water outlet of the water tank is connected with the water inlet of the water pump;
and the water outlet of the liquid cooling plate is connected with the water return port of the water tank.
6. The battery thermal management apparatus of claim 5, further comprising a case, a conduit;
the single battery, the phase-change material complex, the liquid cooling plate and the water pump are arranged in the box body;
the water outlet of the water tank is connected with the water inlet of the water pump through the conduit;
the water outlet of the water pump is connected with the water inlet of the liquid cooling plate through the conduit;
the adjacent liquid cooling plates are connected through the guide pipe;
the water outlet of the liquid cooling plate is connected with the water return port of the water tank through the guide pipe.
7. The battery thermal management apparatus of claim 6, wherein the conduit has a diameter that is less than a thickness of the liquid cooling plate.
8. The battery thermal management device of claim 7, wherein the conduit has a diameter of 4-5 mm and the liquid cooling plate has a thickness of 5-6 mm.
9. The battery thermal management apparatus of claim 1, wherein more than one of said cells comprises a battery pack.
10. Use of a battery thermal management device according to any of claims 1-9 in the field of electric vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110553913.6A CN113285142A (en) | 2021-05-20 | 2021-05-20 | Phase change material composite liquid cooled battery thermal management device and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110553913.6A CN113285142A (en) | 2021-05-20 | 2021-05-20 | Phase change material composite liquid cooled battery thermal management device and application thereof |
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| CN113285142A true CN113285142A (en) | 2021-08-20 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654452A (en) * | 2016-12-30 | 2017-05-10 | 东莞市文轩五金制品有限公司 | Battery pack, liquid cooling device and production method of liquid cooling device |
| CN110112499A (en) * | 2019-04-09 | 2019-08-09 | 江苏大学 | A kind of battery pack compound thermal management system and its control method |
| CN111312954A (en) * | 2020-02-20 | 2020-06-19 | 广东工业大学 | Electric vehicle battery thermal management device and thermal management method |
| CN111883877A (en) * | 2020-08-04 | 2020-11-03 | 广东工业大学 | Electric automobile battery heat management device of collection forced air cooling and liquid cooling |
| WO2020247995A1 (en) * | 2019-06-13 | 2020-12-17 | Miba Emobility Gmbh | Cooling device |
-
2021
- 2021-05-20 CN CN202110553913.6A patent/CN113285142A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654452A (en) * | 2016-12-30 | 2017-05-10 | 东莞市文轩五金制品有限公司 | Battery pack, liquid cooling device and production method of liquid cooling device |
| CN110112499A (en) * | 2019-04-09 | 2019-08-09 | 江苏大学 | A kind of battery pack compound thermal management system and its control method |
| WO2020247995A1 (en) * | 2019-06-13 | 2020-12-17 | Miba Emobility Gmbh | Cooling device |
| CN111312954A (en) * | 2020-02-20 | 2020-06-19 | 广东工业大学 | Electric vehicle battery thermal management device and thermal management method |
| CN111883877A (en) * | 2020-08-04 | 2020-11-03 | 广东工业大学 | Electric automobile battery heat management device of collection forced air cooling and liquid cooling |
Non-Patent Citations (1)
| Title |
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| 姜贵文，等: "相变材料和液冷耦合散热的锂电池热管理研究", 《电源技术》 * |
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Application publication date: 20210820 |