CN106410321A - Battery pack heat management device - Google Patents
Battery pack heat management device Download PDFInfo
- Publication number
- CN106410321A CN106410321A CN201610916118.8A CN201610916118A CN106410321A CN 106410321 A CN106410321 A CN 106410321A CN 201610916118 A CN201610916118 A CN 201610916118A CN 106410321 A CN106410321 A CN 106410321A
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- Prior art keywords
- battery pack
- pipe
- heat
- controller
- management system
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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
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
-
- 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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
-
- 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
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a battery pack heat management device. The battery pack heat management device comprises a battery pack, a temperature sensor and a controller, wherein the battery pack consists of a plurality of battery single bodies; a composite heat pipe is arranged between every two adjacent battery single bodies, and both ends of each composite heat pipe are respectively connected with a gathering inlet pipe and a gathering outlet pipe which are connected with each other by a connecting pipe to form a circulating system; a heat radiating fan, a heater and a water pump are sequentially arranged on the connecting pipe along a liquid flowing direction, and a fan is arranged at one side of the heat radiating fan; the temperature sensor is arranged in the battery pack, and is connected with the controller in a signal way; the controller is used for controlling the starting and stopping of the heater, the water pump and the fan. The battery pack heat management system has the advantages that low-temperature heating and high-temperature cooling functions of the battery pack are realized; the temperature is automatically controlled by the controller, and the environment application temperature range is wide.
Description
Technical field
The present invention relates to a kind of battery pack heat management device, especially a kind of electric automobile power battery group heat management system
System, integrated use liquid, phase-change material, graphite, metallic plate etc. carry out comprehensive system heat management to electric vehicle battery group, so that
Set of cells at all seasons, different temperatures scope, round-the-clock use.
Background technology
In recent years, power lithium-ion battery is increasingly becoming the main flow power supply of electric automobile.In electric automobile, typically will
Serial or parallel connection constitutes cell apparatus to multiple battery cells together in different forms, with the voltage required for providing and
Capacity.Because battery is in charge and discharge process, internal chemical reaction is complicated, and produces with heat, especially for multiple
The device of battery cell composition, the gathering of temperature faster, makes inside battery produce substantial amounts of heat build-up rapidly, necessarily causes electricity
Pond temperature raise and Temperature Distribution unbalanced, thus leading to battery performance to decline, it is possible that leakage, exitting, smolder
Etc. phenomenon, when serious, battery can occur vigorous combustion even to explode.
At present, on market, electrokinetic cell generally all adopts the simplest air radiating mode, seldom adopts other sides
Formula.And using refrigerating plants such as air conditioning for automobiles, battery is radiated, one side assembly is various, system complex, simultaneously as disappearing
The consumption energy content of battery, is reduced car load energy efficiency, is runed counter to energy-conservation.
Chinese patent CN 102709618A discloses a kind of cooling of the microchannel for heat dissipation of lithium battery temperature equalization system, micro-
Passage cooling effectiveness is low, and does not have low-temperature heat function.
Content of the invention
The purpose of the present invention be overcome that prior art exists radiating efficiency is low, defect that is not having low-temperature heat function, carry
For a kind of battery pack thermal management system.
The technical solution adopted for the present invention to solve the technical problems is：A kind of battery pack thermal management system, if including by
The set of cells of aneroid battery monomer composition, temperature sensor and controller, are provided with compound between two neighboring described battery cell
Heat pipe, described composite heat pipe two ends are connected into pipe and outlet pipe of confluxing with confluxing respectively, the described pipe and confluxing between outlet pipe of confluxing
Connected by connecting tube, form blood circulation, described connecting tube is disposed with heat emission fan, heater along liquid flow direction
And water pump, described heat emission fan side is provided with fan；Described temperature sensor is arranged in described set of cells, described temperature sensing
Device is connected with described controller signals, and described controller is used for controlling the keying of described heater, water pump and fan.
Further, also include alarm, described alarm is connected with described controller signals.When too high or too low for temperature
When, controller can open alarm equipment alarm, remind and manually process in time.
Preferably, heat transfer medium is water, ethylene glycol, graphite powder according to mass ratio 45 in described blood circulation:45:10
Mix.Fusing point is -35 DEG C, is suitable for extreme low temperature weather, and heat conductivity is 3.53W/mk, is far longer than the heat conduction of water
Rate, so can be obviously improved cooling effectiveness.
Further, described composite heat pipe includes heat sink, copper pipe and the setting fitted both sides with described battery cell
Phase change layer between described copper pipe and heat sink.
Preferably, being the heat exchange area improving composite heat pipe and battery cell, described copper pipe is square.
Preferably, described copper pipe bottom is provided with spoiler, described spoiler includes substrate and is arranged on described base
Flow-disturbing block on bottom.Spoiler can stir to heat transfer medium, prevent graphite powder to be deposited in bottom it is ensured that graphite powder point
Scattered property.
Further, described phase change layer is graphite/paraffin composite phase change material composition.Its phase transition temperature is 47 DEG C, phase
Change latent heat is 92kJ/Kg, and heat conductivity is 1.62W/mk.
Beneficial effect：Compared with prior art, the present invention can realize set of cells low-temperature heat, high temperature cooling function, and
A.T.C is capable of by controller, environment adaptive temperature scope is wide；Phase change layer has the good coefficient of overall heat transmission, simultaneously
Phase change layer is conducive to improving the homogeneity of battery pack temperature；Heat transfer medium adopts water, ethylene glycol, graphite powder according to mass ratio 45:
45:10 mix, and fusing point is -35 DEG C, is suitable for extreme low temperature weather, and heat conductivity is 3.53W/mk, is far longer than water
Thermal conductivity, so can significantly improve cooling effectiveness.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is battery pack thermal management system structural representation of the present invention；
Fig. 2 is composite heat pipe structural representation；
Fig. 3 is flow-disturbing plate structure schematic diagram.
Wherein:1. battery cell, 2. temperature sensor, 3. controller, 4. composite heat pipe, 41. heat sinks, 42. copper pipes,
43. phase change layers, 44. heat transfer mediums, 45. spoilers, 451, substrate, 452. flow-disturbing blocks, 5. conflux into pipe, outlet pipe of 6. confluxing, 7.
Heat emission fan, 8. heater, 9. water pump, 10. fan, 11. alarms.
Specific embodiment
Embodiment 1
As shown in figure 1, a kind of battery pack thermal management system, pass including the set of cells being made up of some battery cells 1, temperature
Sensor 2 and controller 3, are provided with composite heat pipe 4 between two neighboring described battery cell 1, as shown in Fig. 2 described is compound
Heat sink 41 that heat pipe 4 includes fitting with described battery cell 1 both sides, square copper pipe 42 and be arranged on described copper pipe 42 and dissipate
Phase change layer 43 between hot plate 41, described copper pipe 42 bottom is provided with spoiler 45, as shown in figure 3, described spoiler 45 wraps
Include substrate 451 and the flow-disturbing block 452 being arranged in described substrate 451, described phase change layer 43 is graphite/paraffin composite phase change material
Material composition；
As shown in figure 1, described composite heat pipe 4 two ends are connected into pipe 5 and outlet pipe 6 of confluxing with confluxing respectively, described conflux into
Pipe 5 and confluxing is connected by connecting tube between outlet pipe 6, forms blood circulation, in described blood circulation heat transfer medium 44 be water,
Ethylene glycol, graphite powder are according to mass ratio 45:45:10 mix；It is disposed with along liquid flow direction in described connecting tube
Heat emission fan 7, heater 8 and water pump 9, described heat emission fan 7 side is provided with fan 10；Described temperature sensor 2 is arranged on described
In set of cells, described temperature sensor 2 is connected with described controller 3 signal, described controller 3 be used for controlling described heater 8,
Water pump 9 and the keying of fan 10, described controller 3 is also connected with alarm 11 signal.
Operation principle：When battery pack temperature relatively low (- 30 DEG C～0 DEG C), temperature signal is sent to control by temperature sensor 2
Device 3 processed, controller 3 controls water pump 9 and heater 8 to work, and fan 10 and alarm 11 do not work, and heater 8 is to heat transfer medium
44 are heated, and be delivered to through water pump 9 and conflux into pipe 5 after heating, conflux and distribute heat transfer medium 44 to composite heat pipe 4 into pipe 5
Interior, the heat of heat transfer medium 44 is transferred to battery cell 1 through copper pipe 42, phase change layer 43 and heat sink 41, and battery cell 1 is carried out
Heating, spoiler 45 can effectively prevent the graphite powder in heat transfer medium 44 from precipitating, and the heat transfer medium 44 after heat transfer is through converging
Effuser 6 and heat emission fan 7 reach heater 8, complete heat cycles；
When battery pack temperature higher (30 DEG C～45 DEG C), temperature signal is sent to controller 3 by temperature sensor 2, control
Device 3 processed controls water pump 9 and fan 10 to work, and heater 8 and alarm 11 do not work, and heat transfer medium 44 is delivered to remittance through water pump 9
Flow into pipe 5, the pipe 5 that confluxes distributes heat transfer medium 44 to composite heat pipe 4, and the heat of battery cell 1 is through heat sink 41, phase transformation
Layer 43 and copper pipe 42 are transferred in heat transfer medium 44, and heat transfer medium 44 takes away heat, and spoiler 45 can effectively prevent heat transfer to be situated between
Graphite powder precipitation in matter 44, the heat transfer medium 44 after heat transfer reaches heat emission fan 7 through outlet pipe 6 of confluxing, acts in fan 10
The lower heat by heat transfer medium 44 is dispersed to the external world, and the heated device 8 of heat transfer medium 44 after cooling reaches water pump 9, completes one
Cooling circulation；
When battery pack temperature (0～30 DEG C) within normal range, temperature signal is sent to controller by temperature sensor 2
3, controller 3 controls water pump 9, heater 8, fan 10, alarm 11 all not to work.
When battery pack temperature too low or too high (>45 DEG C or<- 30 DEG C) when, temperature sensor 2 is by signal transmission to controller
3, controller 3 controls alarm 11 to report to the police.
It should be appreciated that specific embodiment described above is only used for explaining the present invention, it is not intended to limit the present invention.By
Obvious change that the spirit of the present invention is extended out or change among still in protection scope of the present invention.
Claims (7)
1. a kind of battery pack thermal management system it is characterised in that：Including the set of cells being made up of some battery cells (1), temperature
Sensor (2) and controller (3), are provided with composite heat pipe (4), described compound thermal between two neighboring described battery cell (1)
Pipe (4) two ends are connected into pipe (5) and outlet pipe of confluxing (6) with confluxing, between the described pipe that confluxes (5) and outlet pipe of confluxing (6) respectively
Connected by connecting tube, form blood circulation, described connecting tube is disposed with heat emission fan (7), adds along liquid flow direction
Hot device (8) and water pump (9), described heat emission fan (7) side is provided with fan (10)；Described temperature sensor (2) is arranged on described
In set of cells, described temperature sensor (2) is connected with described controller (3) signal, and described controller (3) is used for controlling described adding
The keying of hot device (8), water pump (9) and fan (10).
2. battery pack thermal management system according to claim 1 it is characterised in that：Also include alarm (11), described report
Alert device (11) is connected with described controller (3) signal.
3. battery pack thermal management system according to claim 1 it is characterised in that：Heat transfer medium in described blood circulation
(44) it is water, ethylene glycol, graphite powder according to mass ratio 45:45:10 mix.
4. the battery pack thermal management system according to claim 1 or 3 it is characterised in that：Described composite heat pipe (4) includes
The heat sink (41) fitted with described battery cell (1) in both sides, copper pipe (42) and be arranged on described copper pipe (42) and heat sink
(41) phase change layer (43) between.
5. battery pack thermal management system according to claim 4 it is characterised in that：Described copper pipe (42) is square.
6. battery pack thermal management system according to claim 5 it is characterised in that：Described copper pipe (42) bottom is provided with
Spoiler (45), described spoiler (45) includes substrate (451) and the flow-disturbing block (452) being arranged in described substrate (451).
7. battery pack thermal management system according to claim 4 it is characterised in that：Described phase change layer (43) be graphite/
Paraffin composite phase change material forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610916118.8A CN106410321A (en) | 2016-10-21 | 2016-10-21 | Battery pack heat management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610916118.8A CN106410321A (en) | 2016-10-21 | 2016-10-21 | Battery pack heat management device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106410321A true CN106410321A (en) | 2017-02-15 |
Family
ID=58013440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610916118.8A Pending CN106410321A (en) | 2016-10-21 | 2016-10-21 | Battery pack heat management device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106410321A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681226A (en) * | 2017-09-29 | 2018-02-09 | 苏州正力蔚来新能源科技有限公司 | Lithium battery group temperature control unit, temperature control pipeline and heat management system |
| CN107994291A (en) * | 2017-11-27 | 2018-05-04 | 桑顿新能源科技有限公司 | A kind of and matched soft pack cell module of high-efficiency thermal management system |
| CN108448199A (en) * | 2018-02-06 | 2018-08-24 | 上海理工大学 | A kind of power battery low temperature assisted heating device based on phase-change thermal storage |
| CN109004309A (en) * | 2017-06-07 | 2018-12-14 | 盾安环境技术有限公司 | A kind of batteries of electric automobile heat management system |
| CN109301365A (en) * | 2018-09-27 | 2019-02-01 | 华南理工大学 | A kind of heat pipe combination phase-change material forms the battery thermal management system of composite plate |
| CN109378553A (en) * | 2018-11-29 | 2019-02-22 | 山东交通学院 | A kind of battery modules radiator |
| CN110176649A (en) * | 2019-04-17 | 2019-08-27 | 广东工业大学 | A kind of thermal management device of battery |
| CN110247001A (en) * | 2019-04-23 | 2019-09-17 | 广东工业大学 | A kind of heat management battery combination device |
| CN110518163A (en) * | 2019-08-13 | 2019-11-29 | 孚能科技(赣州)股份有限公司 | Battery modules |
| CN110808431A (en) * | 2019-09-29 | 2020-02-18 | 浙江合众新能源汽车有限公司 | Phase-change-material-based power battery thermal management method and system |
| CN111354894A (en) * | 2020-03-13 | 2020-06-30 | 南通融盛智能科技有限公司 | Passive phase-change material temperature regulating system of power battery |
| CN112993440A (en) * | 2020-12-15 | 2021-06-18 | 鹤山市世拓电子科技有限公司 | Flame-proof battery pack |
| CN114284599A (en) * | 2021-12-22 | 2022-04-05 | 华北电力大学 | Grading battery temperature control device and method for super-cooling phase-change material |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004309A (en) * | 2017-06-07 | 2018-12-14 | 盾安环境技术有限公司 | A kind of batteries of electric automobile heat management system |
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| CN107681226A (en) * | 2017-09-29 | 2018-02-09 | 苏州正力蔚来新能源科技有限公司 | Lithium battery group temperature control unit, temperature control pipeline and heat management system |
| CN107994291A (en) * | 2017-11-27 | 2018-05-04 | 桑顿新能源科技有限公司 | A kind of and matched soft pack cell module of high-efficiency thermal management system |
| CN108448199A (en) * | 2018-02-06 | 2018-08-24 | 上海理工大学 | A kind of power battery low temperature assisted heating device based on phase-change thermal storage |
| CN109301365A (en) * | 2018-09-27 | 2019-02-01 | 华南理工大学 | A kind of heat pipe combination phase-change material forms the battery thermal management system of composite plate |
| CN109378553A (en) * | 2018-11-29 | 2019-02-22 | 山东交通学院 | A kind of battery modules radiator |
| CN109378553B (en) * | 2018-11-29 | 2024-05-10 | 山东交通学院 | Battery module heat abstractor |
| CN110176649A (en) * | 2019-04-17 | 2019-08-27 | 广东工业大学 | A kind of thermal management device of battery |
| CN110247001A (en) * | 2019-04-23 | 2019-09-17 | 广东工业大学 | A kind of heat management battery combination device |
| CN110518163A (en) * | 2019-08-13 | 2019-11-29 | 孚能科技(赣州)股份有限公司 | Battery modules |
| CN110808431A (en) * | 2019-09-29 | 2020-02-18 | 浙江合众新能源汽车有限公司 | Phase-change-material-based power battery thermal management method and system |
| CN111354894B (en) * | 2020-03-13 | 2021-04-02 | 南通融盛智能科技有限公司 | Passive phase-change material temperature regulating system of power battery |
| CN111354894A (en) * | 2020-03-13 | 2020-06-30 | 南通融盛智能科技有限公司 | Passive phase-change material temperature regulating system of power battery |
| CN112993440A (en) * | 2020-12-15 | 2021-06-18 | 鹤山市世拓电子科技有限公司 | Flame-proof battery pack |
| CN114284599A (en) * | 2021-12-22 | 2022-04-05 | 华北电力大学 | Grading battery temperature control device and method for super-cooling phase-change material |
| CN114284599B (en) * | 2021-12-22 | 2024-04-16 | 华北电力大学 | Hierarchical battery temperature control device of supercooling phase change material and temperature control method thereof |
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