CN109193067A - A kind of composite phase-change material radiator of lithium ion battery - Google Patents
A kind of composite phase-change material radiator of lithium ion battery Download PDFInfo
- Publication number
- CN109193067A CN109193067A CN201810957804.9A CN201810957804A CN109193067A CN 109193067 A CN109193067 A CN 109193067A CN 201810957804 A CN201810957804 A CN 201810957804A CN 109193067 A CN109193067 A CN 109193067A
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- China
- Prior art keywords
- change material
- lithium ion
- ion battery
- composite phase
- seat
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- 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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- 239000012782 phase change material Substances 0.000 title claims abstract description 57
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 45
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 229920000914 Metallic fiber Polymers 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 3
- 238000005245 sintering Methods 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- 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)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of composite phase-change material radiators of lithium ion battery, including rectangular base plate, vertically be fixed on rectangular base plate quadrangle at body structure cooling fin, be fastened on the cover board of the body structure opening, it is from top to bottom disposed with anode seat, composite phase-change material body, battery cathode seat in the body structure, several battery holes of array distribution are evenly arranged on the composite phase-change material.The present invention quickly absorbs heat that lithium ion battery generates during the work time by composite phase-change material and is effectively radiated after transferring heat to cooling fin, to improve radiating efficiency, guarantee heat dissipation simultaneously uniformly, maintains the temperature difference in the temperature and lithium ionic cell module of single lithium ion battery between each single battery in the reasonable scope.
Description
Technical field
The present invention relates to battery field of radiating, in particular to the composite phase-change material radiator of a kind of lithium ion battery.
Background technique
Electric car industry flourishes, and lithium ion battery is also paid much attention to and developed as good power source,
Electric car also proposed wanting of being increasingly stringenter to the cruising ability, service life and security performance of lithium ion battery simultaneously
It asks.
In general, battery is often accompanied by exothermic reaction during carrying out charge and discharge, and change of the battery performance to temperature
Change very sensitive.Temperature in lithium battery module between battery cell should be also consistent as far as possible, otherwise, the high lithium battery of temperature
Monomer performance, life time decay are very fast, then working condition will be gradually deviated from other electricity after multiple recycling periods
Pond.If the charging and discharging state of this battery is not periodically with other battery equilibriums, it will finally put into depth
Electricity condition so as to cause damage, and ultimately forms battery failure.
Summary of the invention
The purpose of the invention is to overcome drawbacks described above, a kind of dissipating for the composite phase-change material of lithium ion battery is proposed
Thermal.
The present invention adopts the following technical scheme:
A kind of composite phase-change material radiator of lithium ion battery, including rectangular base plate, it is fixed on four side of rectangular base plate vertically
Form the cooling fin of body structure, be fastened on the cover board of the body structure opening, in the body structure from top to bottom according to
It is secondary to be provided with anode seat, composite phase-change material body, battery cathode seat, array is evenly arranged on the composite phase-change material
Several battery holes of distribution.
Further, the cooling fin and bottom plate are same metal material, and form body structure by welding.
Further, it is uniformly arranged several fins along the vertical direction on the cooling fin.When radiating fin direction is vertical
Be conducive to free convection, accelerate rate of heat dispation.
Further, the composite phase-change material body includes metallic fiber skeleton and to be filled in the metallic fiber skeleton empty
Phase-change material in gap.
Further, the phase transition temperature of the phase-change material is lower than the upper limit of lithium ion battery reasonable employment temperature range,
And it is non-conductive when liquid, avoid short circuit.
Further, the height of the composite phase-change material body is lower than the height of lithium ion battery.Avoid metallic fiber bone
Frame is contacted with anode causes short circuit.
Further, useful at the side edge thereof on the composite phase-change material body there are the aperture passed through for conducting wire
In the through-hole that conducting wire passes through.
Further, it is embedded with each lithium ion battery plus-negative plate of connection respectively inside the anode seat and battery cathode seat
Circuit, and several lithium ion battery location holes are provided on the anode seat and battery cathode seat.The location hole
It is on the one hand to facilitate positioning, be made in order to avoid metallic fiber skeleton is contacted with lithium ion battery plus-negative plate
At short circuit.
Further, the anode seat and battery cathode seat are all made of insulating materials, to avoid short circuit.
Further, intermediate on the inside of the cover board to be provided with for guaranteeing connecing for lithium ion cell positive and anode seat
The spring of touching, four side of cover board are vertically arranged with downwards the small front apron matched with each cooling fin, the small front apron inside
It is provided with resilient barb, is provided with to fall with the elasticity on the outside of the body structure opening made of being surrounded as the cooling fin
The flange that hook matches, resilient barb and flange cooperation can prevent the cover board from falling off.
Compared with prior art, the beneficial effect comprise that
Heat transfer medium present invention employs metallic fiber skeleton composite phase-change material as radiator has good heat absorption
Ability, and vertically-mounted cooling fin has been used, accelerate rate of heat dispation.The heat dissipation of this lithium ion battery composite phase-change material fills
It sets and solves the problems, such as that general battery heat dissipation device can not carry out Homogeneouslly-radiating to battery module, by putting lithium ion battery
It sets in composite phase-change material, the heat for generating each lithium ion battery during the work time obtains effective and uniform suction
It receives, to improve battery performance and service life.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the explosion of the radiator of lithium ion battery composite phase-change material of the embodiment of the present invention；
Fig. 2 is a kind of stereoscopic schematic diagram of the radiator of lithium ion battery composite phase-change material of the embodiment of the present invention；
Fig. 3 is the perspective view of the explosion of the composite phase-change material sintering mold of the embodiment of the present invention；
Fig. 4 is the stereoscopic schematic diagram of the composite phase-change material of the embodiment of the present invention；
Fig. 5 is the cross-sectional view of the cover board of the embodiment of the present invention；
It is as shown in the figure: 1- cover board；11- small front apron；12- spring；2- anode seat；3- lithium ion battery；4- composite phase-change material
Material；41- metallic fiber skeleton；42- phase-change material；5- cooling fin；6- battery cathode seat；7- bottom plate；8- die cover plate；9- is stainless
Steel core bar；10- plug fixed plate；13- cavity；14- die bottom plate.
Specific embodiment
Further specific detailed description is made to the present invention in the following with reference to the drawings and specific embodiments.
As depicted in figs. 1 and 2, the composite phase-change material radiator of a kind of lithium ion battery, including it is rectangular base plate 7, perpendicular
Directly be fixed on 7 quadrangle of rectangular base plate at body structure cooling fin 5, be fastened on the cover board 1 of the body structure opening, institute
It states and is from top to bottom disposed with anode seat 2, composite phase-change material body 4, battery cathode seat 6 in body structure, it is described multiple
Close several battery holes that array distribution is evenly arranged on phase-change material 4.
The cooling fin 5 and bottom plate 7 are same metal material, and form body structure by welding.
It is uniformly arranged several fins along the vertical direction on the cooling fin 5, is conducive to free convection, accelerates rate of heat dispation.
As described in Figure 4, the composite phase-change material body 4 includes metallic fiber skeleton 41 and is filled in the metallic fiber bone
Phase-change material 42 in 41 gap of frame, wherein the metallic fiber skeleton be by by metallic fiber be pressed into sintering mold in into
Row sintering obtains, and the composite phase-change material is obtained by pouring into liquid state phase change material in metallic fiber skeleton gap.It is described
The phase transition temperature of phase-change material 42 is lower than the upper limit of lithium ion battery reasonable employment temperature range, and non-conductive when liquid, avoids
Short circuit.The height of the composite phase-change material body 4 is lower than the height of lithium ion battery.Avoid metallic fiber skeleton 41 and battery just
Pole contact.
There are the aperture passed through for conducting wire on the composite phase-change material body 4,1 edge of cover board has logical for conducting wire
The through-hole crossed.
The anode seat 2 and battery cathode seat 6 are all made of insulating materials, to avoid short circuit.Meanwhile the battery is just
Circuit inside electrode seat 2 and battery cathode seat 6 respectively embedded with each lithium ion battery plus-negative plate of connection, and the anode seat 2
With several lithium ion battery location holes are provided on battery cathode seat 6.The location hole is on the one hand to facilitate positioning, separately
It is on the one hand to that metallic fiber skeleton is avoided to contact with lithium ion battery plus-negative plate, causes short circuit.
It is provided with as shown in figure 5,1 inside of cover board is intermediate for guaranteeing the positive electrode seat 2 of 3 Anode and battery of lithium ion battery
Contact spring 12,1 four side of cover board is vertically arranged with downwards the small front apron 11 matched with each cooling fin 5, described
It is provided with resilient barb on the inside of small front apron 11, setting on the outside of the body structure opening made of being surrounded as the cooling fin 5
There is the flange matched with the resilient barb, after covering cover board 1, the small front apron 11, resilient barb and flange match can
It prevents the cover board 1 from falling off, guarantee sealing while facilitating assembly and disassembly.
The composite phase-change material radiator process of the assembling lithium ion battery are as follows:
Cooling fin 5 and the welding of bottom plate 7 are first formed into body structure, then just by battery cathode seat 6, composite phase-change material body 4, battery
Electrode seat 2 is sequentially placed into body structure, and conducting wire is guided to pass through the aperture of 4 body of composite phase-change material, and conducting wire is then passed through cover board 1
On aperture, finally by cover board 1 be buckled in the opening of body structure complete seal.
As shown in figure 3, in the present embodiment, the metallic fiber skeleton be by by metallic fiber be pressed into sintering mold into
Row sintering obtains, and the sintering mold includes die cover plate 8, stainless steel core bar 9, plug fixed plate 10, cavity 13, mold bottom
Plate 14.Before filling out metallic fiber, when stainless steel core bar 9 and 13 inner wall of cavity spray release agent, fill metallic fiber, die cover plate
8 open, and plug fixed plate 10 is put into the body structure that cavity 13 and die bottom plate 14 form, and place into stainless steel core bar 9, so
Metallic fiber is uniformly filled in stainless 9 surrounding of steel core bar afterwards and is compressed, die cover plate 8 is then covered and locks four fixed spiral shells
The mold suppressed is put into sintering furnace burner hearth by bolt, after the completion of sintering, is obtained metallic fiber skeleton 41, is opened die cover plate 8,
It takes the phase-change material 42 of suitable liquid to pour into the metallic fiber skeleton 41, after 42 cooled and solidified of material to be phased, takes out
Composite phase-change material body 4.
As shown in figure 4, the metallic fiber skeleton 41 and phase transformation 42 in ideal composite phase-change material body 4 are uniformly distributed, have
There is the heat-transfer capability of excellent heat absorption capacity, while ensure that heat dissipation is uniform.
The above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all of the invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the protection of the claims in the present invention within spirit and principle
Within the scope of.
Claims (10)
1. a kind of composite phase-change material radiator of lithium ion battery, it is characterised in that: including rectangular base plate (7), vertical solid
Be scheduled on rectangular base plate (7) quadrangle at body structure cooling fin (5), be fastened on the cover board (1) of the body structure opening,
Anode seat (2), composite phase-change material body (4), battery cathode seat are from top to bottom disposed in the body structure
(6), several battery holes of array distribution are evenly arranged on the composite phase-change material (4).
2. a kind of composite phase-change material radiator of lithium ion battery according to claim 1, it is characterised in that: described
Cooling fin (5) and bottom plate (7) are same metal material, and form body structure by welding.
3. a kind of composite phase-change material radiator of lithium ion battery according to claim 1, it is characterised in that: described
Cooling fin is uniformly arranged several fins on (5) along the vertical direction.
4. a kind of composite phase-change material radiator of lithium ion battery according to claim 1, it is characterised in that: described
Composite phase-change material body (4) includes metallic fiber skeleton (41) and the phase transformation that is filled in metallic fiber skeleton (41) gap
Material (42).
5. a kind of composite phase-change material radiator of lithium ion battery according to claim 4, it is characterised in that: described
The phase transition temperature of phase-change material (42) is lower than the upper limit of lithium ion battery reasonable employment temperature range, and non-conductive when liquid.
6. a kind of composite phase-change material radiator of lithium ion battery according to claim 4, it is characterised in that: described
The height of composite phase-change material body (4) is lower than the height of lithium ion battery.
7. a kind of composite phase-change material radiator of lithium ion battery according to claim 1, it is characterised in that: described
There are the aperture passed through for conducting wire on composite phase-change material body (4), cover board (1) edge has to be led to for what conducting wire passed through
Hole.
8. a kind of composite phase-change material radiator of lithium ion battery according to claim 1, it is characterised in that: described
Anode seat (2) and the internal circuit respectively embedded with each lithium ion battery plus-negative plate of connection of battery cathode seat (6), and the electricity
Several lithium ion battery location holes are provided on the positive electrode seat in pond (2) and battery cathode seat (6).
9. a kind of composite phase-change material radiator of lithium ion battery according to claim 1, it is characterised in that: described
Anode seat (2) and battery cathode seat (6) are all made of insulating materials.
10. a kind of composite phase-change material radiator of lithium ion battery according to claim 1, it is characterised in that: institute
State the intermediate spring being provided with for guaranteeing the contact of the positive electrode seat of lithium ion battery (3) Anode and battery (2) on the inside of cover board (1)
(12), (1) four side of cover board is vertically arranged with downwards the small front apron (11) matched with each cooling fin (5), the small gear
It is provided with resilient barb on the inside of plate (11), setting on the outside of the body structure opening made of being surrounded as the cooling fin (5)
There is the flange matched with the resilient barb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810957804.9A CN109193067A (en) | 2018-08-22 | 2018-08-22 | A kind of composite phase-change material radiator of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810957804.9A CN109193067A (en) | 2018-08-22 | 2018-08-22 | A kind of composite phase-change material radiator of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109193067A true CN109193067A (en) | 2019-01-11 |
Family
ID=64918852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810957804.9A Pending CN109193067A (en) | 2018-08-22 | 2018-08-22 | A kind of composite phase-change material radiator of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109193067A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081935A (en) * | 2019-12-28 | 2020-04-28 | 河南省森电智能装备有限公司 | Cover type FTU battery box provided with heat dissipation device |
| CN111864314A (en) * | 2020-07-24 | 2020-10-30 | 苏州华骞时代新能源科技有限公司 | Lithium cell group temperature equalization mechanism |
| CN115548507A (en) * | 2022-08-29 | 2022-12-30 | 西安交通大学 | Direct cooling and phase change cooling coupled battery thermal management system and manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103138029A (en) * | 2013-03-06 | 2013-06-05 | 湖南大学 | Thermal management system of lithium battery in hybrid power vehicle |
| CN104241729A (en) * | 2014-09-29 | 2014-12-24 | 华南理工大学 | Water cooling and composite phase change material combined power battery heat dissipating device |
| CN207233910U (en) * | 2017-08-25 | 2018-04-13 | 航天特种材料及工艺技术研究所 | A kind of battery phase-change material thermal management module |
| CN208723043U (en) * | 2018-08-22 | 2019-04-09 | 华南理工大学 | A kind of composite phase-change material radiator of lithium ion battery |
-
2018
- 2018-08-22 CN CN201810957804.9A patent/CN109193067A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138029A (en) * | 2013-03-06 | 2013-06-05 | 湖南大学 | Thermal management system of lithium battery in hybrid power vehicle |
| CN104241729A (en) * | 2014-09-29 | 2014-12-24 | 华南理工大学 | Water cooling and composite phase change material combined power battery heat dissipating device |
| CN207233910U (en) * | 2017-08-25 | 2018-04-13 | 航天特种材料及工艺技术研究所 | A kind of battery phase-change material thermal management module |
| CN208723043U (en) * | 2018-08-22 | 2019-04-09 | 华南理工大学 | A kind of composite phase-change material radiator of lithium ion battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081935A (en) * | 2019-12-28 | 2020-04-28 | 河南省森电智能装备有限公司 | Cover type FTU battery box provided with heat dissipation device |
| CN111864314A (en) * | 2020-07-24 | 2020-10-30 | 苏州华骞时代新能源科技有限公司 | Lithium cell group temperature equalization mechanism |
| CN115548507A (en) * | 2022-08-29 | 2022-12-30 | 西安交通大学 | Direct cooling and phase change cooling coupled battery thermal management system and manufacturing method |
| CN115548507B (en) * | 2022-08-29 | 2023-11-14 | 西安交通大学 | Direct cooling and phase change cooling coupled battery thermal management system and manufacturing method |
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