CN106654430B - One kind is based on power battery thermal management system in a low temperature of heat pipe and phase-change material - Google Patents
One kind is based on power battery thermal management system in a low temperature of heat pipe and phase-change material Download PDFInfo
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- CN106654430B CN106654430B CN201611116413.1A CN201611116413A CN106654430B CN 106654430 B CN106654430 B CN 106654430B CN 201611116413 A CN201611116413 A CN 201611116413A CN 106654430 B CN106654430 B CN 106654430B
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- battery
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- change material
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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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
- H01M10/62—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
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
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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
- 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
Abstract
One kind is based on power battery thermal management system in a low temperature of heat pipe and phase-change material, including battery, phase-change material and heat pipe；Battery is placed in individual battery case；Phase-change material is placed in individual phase-change material case；Every piece of battery is at least bonded with one end of a heat pipe in battery case；The other end of heat pipe protrudes into inside phase-change material case and phase change material contacts；It further include the insulating layer for wrapping up whole system.The system uses heat pipes to the heat generated when transmitting power battery operation, heat is stored using phase-change material, and heat is conveyed when battery temperature reduces, achieve the purpose that keep the temperature battery, whole process is without any energy of any consumption, using the waste heat released in cell operation, battery case can be in preference temperature scope always under good guarantee low temperature, the heat preservation demand for meeting battery under low temperature is a kind of energy-efficient thermal management scheme.
Description
Technical field
The present invention relates to power battery thermal management systems under low temperature, and in particular to a kind of low based on heat pipe and phase-change material
The lower power battery thermal management system of temperature.
Background technique
Current energy and environment problem is increasingly serious, therefore electric car has also welcome unprecedented opportunity to develop.It removes
Energy conservation, it is pollution-free the advantages that outside, electric car also has starting is fast, noise is small, system is simple, maintenance expense is cheap etc.
Advantage, it has also become the generally acknowledged development trend of future automobile industry.Core component one of of the battery as electric car, to electronic vapour
The course continuation mileage of vehicle and safety have a tremendous influence, and the cost of battery, service life, safety all with the heat management of battery
It is inseparable.
The normal and safe operation of battery has very high requirement to temperature.By taking lithium battery as an example, according to existing research, lithium
Battery normal operating temperature concentrates on 0 DEG C -40 DEG C.When temperature is more than 50 DEG C, the SEI film of positive electrode surface is not able to maintain stabilization,
Influence whether battery life and safety；And worst cold case will cause inside battery chemical reaction and slow down, and cause electrolyte electric
Conductance reduces and the reduction of positive lithium ion diffusion rate, this, which will lead to battery capacity, reduces the global failure of even battery.It removes
Except this, since low temperature is to the strong polarization of graphite anode, the generation of electrode surface lithium platingactive phenomenon is also resulted in, is accelerated
Cell degradation.Other than the requirement to battery bulk temperature range, the temperature difference also can performance to battery and safety have it is very big
Influence.The presence of the temperature difference will cause the imbalance of inside battery chemical reaction, to influence the safe and effective operation of battery.
Notification number is that the Chinese patent literature of CN103928729A discloses a kind of electric powered motor electricity based on heat pipe
Pond group temperature control system, it is characterized in that setting battery pack temperature control cabinet is closed case, inside includes a closed battery group storehouse,
The length and height in battery group storehouse are respectively less than battery pack temperature control cabinet, but the two is of same size；In battery group storehouse and battery
Annular heat exchange storehouse is formed between group temperature control cabinet；Along its length through arrangement heat pipe in battery group storehouse, heat pipe is passed through
Each insulating radiation piece being arranged parallel, the end point of heat pipe is in annular heat exchange storehouse；Each single battery is arranged in insulation and dissipates
Between backing, and single battery radiating surface fits with insulating radiation piece；Annular heat exchange storehouse in be respectively set heater and
Evaporator.
The invention can solve to be led to that effective heat management cannot be carried out to each single battery to ask because circulating resistance is excessive
Topic can use the heat of heater generation to battery in the way of the heat management that heat pipe and air-cooled (liquid cooling) combine under low temperature
It is preheated and is kept the temperature, but increase energy consumption due to not considering the recycling of battery heat production.
Notification number is that the Chinese patent literature of CN103401044A discloses a kind of power battery heat based on flat-plate heat pipe
Management system, including modular tank, modular tank top cover, are placed at least two batteries monomer shells in modular tank,
At least two pieces or more the group of battery modules being made of battery cell series winding or parallel connection are placed in each batteries monomer shell,
The surface of every piece of battery cell is equipped with the flat-plate heat pipe with cooling system, and flat-plate heat pipe is bonded with battery cell surface, plate heat
Pipe internal circulation cooling water.
The invention has many advantages, such as that efficient, structure is simple, stable and reliable, functional diversities；In various charge and discharge
In the case of, High Efficiency Thermal management, including heat dissipation, heating, recycling residual heat etc. are carried out to power battery, are suitable for various by dynamic
The battery-driven electrical equipment of power, has a vast market foreground.But the combination of heat pipe and liquid cooling causes device more multiple
It is miscellaneous, and there is the danger of leakage, and phase-change material is directly filled in Battery case, also to the safety and reliability of system
Cause threat.Battery heat production is mainly taken away by the cooling water in flat-plate heat pipe channel in the patent, not yet fully takes into account electricity
The heat preservation demand of pond at low temperature, under low temperature the use of cooling water also increase pipeline freeze, the blocking even danger of explosion.Institute
It is difficult to be suitable for the heat management of battery under low temperature with the program.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides one kind based on power in a low temperature of heat pipe and phase-change material
Battery thermal management system uses heat pipes to the heat generated when transmitting power battery operation, stores heat using phase-change material,
And heat is conveyed when battery temperature reduces, achieve the purpose that keep the temperature battery.
Technical scheme is as follows:
One kind based on power battery thermal management system in a low temperature of heat pipe and phase-change material, including battery, phase-change material with
And heat pipe；The battery is placed in individual battery case；The phase-change material is placed in individual phase-change material case；
Every piece of battery is at least bonded with one end of a heat pipe in the battery case；The other end of the heat pipe protrudes into phase-change material case
Interior and phase change material contacts；Entire cladding insulating layer outside battery case, phase-change material case and the heat pipe.
In the above-mentioned technical solutions, battery and phase-change material are individually positioned in two individual casees ensure that the device
Reliability, safety and flexibility, the both ends of heat pipe are connected with battery case and phase-change material case respectively, efficient can pass
The heat between two cabinets is passed, and heat pipe has certain starting temperature difference, can effectively control battery the temperature inside the box always
In suitable range.Phase-change material can play the role of energy storage, and since phase transition temperature generally lies in the range of very little
It is interior, therefore equilibrium temperature can be played the role of.The hot the purpose is to reduce leaking of insulating layer is set.
When battery operation, temperature is increased to a certain extent, heat pipe starting, the biography that the heat that battery generates passes through heat pipe
It passs, is stored into phase-change material；When battery is out of service, after temperature is reduced to outside suitable temperature ranges, stored up in phase-change material
The heat deposited is transmitted in battery case by heat pipe, and the phase transition temperature of phase-change material be substantially positioned in very little range it
It is interior, reduce temperature fluctuation, the combination of heat pipe and phase-change material can guarantee battery box temperature remain at optimum range it
It is interior.The program takes full advantage of the advantage of heat pipe, and in heat accumulation, the hot pipe section in battery case is as evaporator section, when the heat of storage
When amount is used to temperature keeping battery, the hot pipe section in battery case is as condensation segment.
Preferably, the heat pipe in battery case is flat, the heat pipe between battery case and phase-change material case
And the heat pipe protruded into phase-change material case is flat or cylindric.It is respectively hot if the heat pipe is divided into three parts
Part, heat pipe insulation section and heat pipe part phase-change material case in of the pipe in battery case.Heat pipe is divided into three to adapt to
The structure of this system, part of the heat pipe in battery case be it is flat, the section and battery are fitted closely by heat-conductive bonding agent.Heat
Part and heat pipe insulation section of the pipe in phase-change material case are flat or cylindric.Meanwhile the three parts length of heat pipe can
Become, and can be bent, can be adjusted by specific Application Example.Heat pipe global shape is arranged to linear type or bending
Type adapts to the size and arrangement demand of battery case and phase-change material case.
Preferably, battery is made of multiple battery blocks in the battery case, multiple battery blocks replace with multiple heat pipes
Arrangement, the battery block single-row arrangement or multiple rows of arrangement are adapted to shape, the size requirement of battery case.
Preferably, the heat pipe and battery are bonded by heat-conductive bonding agent, to enhance the heat transfer of heat pipe and battery.
The heat pipe can be the copper heat pipe with capillary wick, can be the aluminum axial-grooved heat pipe of no capillary wick, can also
To be copper or aluminum pulsating heat pipe or loop circuit heat pipe, preferably, the heat pipe is the copper heat pipe with capillary wick, it should
Class heat pipe thickness can be relatively thin, and while running is influenced smaller by angle, more adapts to the demand of power battery heat management.
The hot intraductal working medium can choose the freon class working medium such as water, methanol, acetone, ammonia and R134, the above working medium
With more appropriate operating temperature, it is preferred that the hot intraductal working medium of the present invention is acetone, and acetone has preferable compatibility.
Preferably, the phase-change material is paraffin, there is appropriate phase transition temperature, average latent heat is higher, cost
The advantages that cheap, non-corrosive.
Preferably, one of the phase-change material addition expanded graphite, foam metal, carbon fiber, metallic particles
Or it is a variety of, greatly improve the thermal conductivity of phase-change material, the program can adequately meet the heat preservation need of power battery under low temperature
It asks.
Preferably, the heat preservation layer material is rock wool board, the material fire protecting performance is excellent, is conducive to power battery fortune
Capable safety.
The insulation layer thickness can be uniform, can also be uneven；Wrapping up can be to the adiabatic section of every heat pipe at heat pipe
It is individually wrapped, more heat pipe insulation sections can also be wrapped up together.Preferably, the heat preservation layer material is in package battery case
Every heat pipe is individually wrapped when heat pipe and heat pipe insulation section between phase-change material case.
Compared with prior art, the invention has the benefit that
(1) present invention has the advantages that heat transfer is fast, uniform temperature is good, energy saving.It can guarantee that battery case is in always under low temperature
In preference temperature scope, meet the heat preservation demand of battery under low temperature.Heat pipe thermal conductivity with higher and good uniform temperature, and
And evaporator section and condensation segment can be interchanged.
(2) the invention avoids battery corrosion, electric leakage caused by the directly contact due to phase-change material and battery etc. is serious
Damage, and it is combustion-supporting to increase security threat there is a situation where playing the role of in the case that thermal runaway is even on fire in battery.
In addition to this, the variation of volume and the direct contact of battery can occur in phase transition process for phase-change material can be likely to result in phase
Battery, external shell are squeezed during becoming, so that consequences, battery case and phase transformation materials such as cell deformation or internal structure are impaired
Being respectively set for hopper can guarantee two cabinets, the especially safety and reliability of battery case.Meanwhile phase-change material packing list
Solely setting can guarantee the flexibility of selected phase transformation material category, quality and position, be also convenient for installing and overhaul.
(3) present invention has the characteristics that not consuming the energy content of battery or external energy completely, when battery operation, heat pipe and phase transformation
Material can limit that battery temperature is excessively high, and partial heat is stored by the latent heat of phase-change material and sensible heat form, and battery stops
When temperature reduces after only running, remain at battery temperature within OK range by discharging this partial heat, it is whole
A process is fully utilized the waste heat released in cell operation and reaches heat preservation mesh without any any energy of consumption
, it is a kind of energy-efficient thermal management scheme.
Detailed description of the invention
Fig. 1 is the structural representation of the invention based on power battery thermal management system in a low temperature of heat pipe and phase-change material
Figure；
Fig. 2 is A-A cross-sectional view of the Fig. 1 when heat pipe is the copper heat pipe with capillary wick；
Fig. 3 is the B-B cross-sectional view of Fig. 1；
Fig. 4 is the A-A cross-sectional view in Fig. 1 when heat pipe is pulsating heat pipe；
Fig. 5 is the sweeping structural schematic diagram of heat pipe insulation section in the present invention；
Fig. 6 is B-B cross-sectional view of the Fig. 1 in electric automobile battery box.
In above-mentioned attached drawing:
1, battery；2, heat pipe；3, part of the heat pipe in battery case；4, heat pipe insulation section；5, heat pipe is in phase-change material case
Interior part；6, phase-change material；7, battery case；8, phase-change material case；9, insulating layer.
Specific embodiment
With reference to the accompanying drawings and detailed description to of the invention a kind of based on power in a low temperature of heat pipe and phase-change material
Battery thermal management system is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of based on power battery thermal management system in a low temperature of heat pipe and phase-change material, packet
It includes the battery 1 being placed in battery case 7, the phase-change material being placed in phase-change material case 86 and both ends and is respectively protruding into battery case
7 and phase-change material case 8 in heat pipe 2, heat pipe 2 is the copper heat pipe with capillary wick, and working medium is acetone, and whole system is wrapped in
In insulating layer 9.
Heat pipe 2 is the copper heat pipe with capillary wick, while heat pipe 2 divides for three parts, and respectively heat pipe is in battery case
The part 5 of part 3, heat pipe insulation section 4 and heat pipe in phase-change material case, part 3 of the heat pipe in battery case be it is flat, should
Section and battery 1 are fitted closely by heat-conductive bonding agent.Part 5 of the heat pipe in phase-change material case is also flat, the Duan Yuxiang
Become material 6 to be in close contact.Adiabatic section 4 is also flat.The three parts length of heat pipe 2 is variable, and can be bent, can be by specific
Application Example is adjusted, and is illustrated in figure 5 the sweeping structural schematic diagram of heat pipe insulation section.Heat pipe 2 can also be pulsation
Heat pipe, as shown in Figure 4.
The operation principle of the present invention is that: when battery 1 is run, temperature is increased to a certain extent, and heat pipe 2 starts, and battery produces
Raw heat is transmitted by the evaporation ends of heat pipe 2, is stored into phase-change material 6；When battery 1 is out of service, temperature is reduced to conjunction
After outside suitable temperature range, the heat stored in phase-change material 6 is transmitted in battery case by the condensation end of heat pipe 2, to protect
Card battery box temperature remains within optimum range.
The concrete application of technical solution of the present invention is further illustrated below:
Winter some areas temperature is lower, and the operation and storage to power battery all cause tremendous influence.The present invention
The amount of heat generated at runtime using battery, by the transmitting of heat pipe by these heat storages into phase-change material, work as electricity
Pond is out of service after temperature dropped to a certain extent, and the heat stored in phase-change material can be transmitted in battery case by heat pipe,
So as to achieve the purpose that heat preservation.
The heat insulation effect after batteries of electric automobile is out of service is illustrated below:
As shown in fig. 6, battery 1 collectively constitutes a battery according to 35 battery cells of every row in electric automobile battery box
Group provides energy for electric car.Temperature increases to a certain extent battery 1 at runtime, and heat pipe 2 starts, by the heat of generation
By in heat pipe 2 transmits and is stored into phase-change material case phase-change material 6；After battery discharge, temperature is gradually lowered to
After to a certain degree, the heat of storage will be passed back to battery case by heat pipe 2, the heat preservation for battery.
It is hot in order to better illustrate power battery in a low temperature of one kind that the invention is proposed is based on heat pipe and phase-change material
The validity and practicability of management system illustrate below by calculating:
Assuming that ambient temperature be -20 DEG C, battery preference temperature section be 0-40 DEG C, battery size be 100 × 50 ×
10mm, with the operation of 3C discharge rate, single battery rate of heat production is 10W, and every piece of battery weight is 100g, and the specific heat capacity of battery is
0.87kJ/ (kg ﹒ K), the length that three sections of heat pipe is 100mm, and with a thickness of 5mm, the starting temperature difference at heat pipe both ends is 20 DEG C, phase transformation
The paraffin that material selection phase transition temperature is 20 DEG C, fusing heat are 220kJ/kg, and specific heat capacity is 2.4kJ/ (kg ﹒ K), and density is
0.9×103Kg/m3The rock wool board that thermal insulation material selects with a thickness of 2cm, thermal coefficient are 0.04W/ (m ﹒ k), system initial temperature
It is 0 DEG C, then:
Heat production total amount Q of the battery pack in 20min are as follows:
Q=70 × 0.01 × 20 × 60=840kJ
Battery pack is increased to the heat Q stored by 40 DEG C1Are as follows:
Q1=0.87 × 0.1 × 40 × 70=243.6kJ
Since battery runtime is relatively short, the leakage heat of this period can be ignored, thus paraffin absorb heat and
The sum of heat of battery storage is the heat production of battery pack.Heat two parts that paraffin absorbs: temperature rises to 20 DEG C of institutes from 0 DEG C
The fusing heat that the latent heat of absorption and 20 DEG C of whens absorb, therefore required Quality of Paraffin Waxes m3Are as follows:
It can be concluded that battery case is having a size of 520 × 100 × 100mm, phase-change material case having a size of 520 × 100 × 100mm,
Actual transformation material height only has 82mm, and there are surpluses can extruding to avoid volume change when phase transformation to cabinet.Battery box shell
The surface area of body is 0.13m2, calculated with 40 DEG C of average internal-external temperature difference, leakage heat are as follows:
In view of heat pipe insulation section leaks heat and phase-change material cabinet leakage heat, hot Q is always leakedLTake 50W.Then battery the temperature inside the box
0 DEG C is down to after 81.2min, heat pipe reaches the starting temperature difference, and the heat transfer stored in phase-change material to battery case keeps electricity
0 DEG C of pond temperature or more, phase-change material stores the total 528kJ of amount of latent heat, battery box temperature can be kept at 0 DEG C or more in 176min.
During remaining sensible heat amount 48kJ release, since phase-change material temperature is also declining, it is not enough to that battery box temperature is maintained to be maintained at 0
DEG C or more.
In conclusion in the embodiment be used only 2.2kg paraffin, can under conditions of not consuming any external energy,
The heat of battery pack operation 20min is only relied on to keep battery pack temperature to reach 257.2min at 0 DEG C or more.In whole process, electricity
Without any direct contact between pond group and phase-change material, heat transfer is carried out simply by heat pipe, avoids leakage, burn into squeezes
Pressure etc. threatens, while being easily installed and overhauling.
The foregoing is merely preferable implementation examples of the invention, are not intended to restrict the invention, it is all in spirit of that invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. one kind is based on power battery thermal management system in a low temperature of heat pipe and phase-change material, including battery, phase-change material and
Heat pipe, it is characterised in that: the battery is placed in individual battery case；The phase-change material is placed on individual phase transformation
In stuffing-box；Every piece of battery is at least bonded with one end of a heat pipe in the battery case；The other end of the heat pipe protrudes into
In phase-change material case and phase change material contacts；Entire cladding insulating layer outside battery case, phase-change material case and the heat pipe；It is described
Heat preservation layer material every heat pipe is individually wrapped when wrapping up the heat pipe between battery case and phase-change material case；
The heat pipe is divided into the variable three parts of length, respectively part, heat pipe insulation section and heat of the heat pipe in battery case
Part of the pipe in phase-change material case.
2. power battery thermal management system under low temperature as described in claim 1, it is characterised in that: described in battery case
Heat pipe be it is flat, heat pipe between battery case and phase-change material case and the heat pipe protruded into phase-change material case be it is flat or
It is cylindric.
3. power battery thermal management system under low temperature as described in claim 1, it is characterised in that: battery in the battery case
It is made of multiple battery blocks, multiple battery blocks are alternately arranged with multiple heat pipes.
4. power battery thermal management system under low temperature as claimed in claim 3, it is characterised in that: the heat pipe and battery block
It is bonded by heat-conductive bonding agent.
5. power battery thermal management system under low temperature as described in claim 1, it is characterised in that: the heat pipe is band hairiness
The copper heat pipe of thin core.
6. power battery thermal management system under low temperature as described in claim 1, it is characterised in that: the hot intraductal working medium is third
Ketone.
7. power battery thermal management system under low temperature as described in claim 1, it is characterised in that: the phase-change material is stone
Wax.
8. power battery thermal management system under low temperature as described in claim 1, it is characterised in that: the phase-change material addition
One of expanded graphite, foam metal, carbon fiber, metallic particles are a variety of.
9. power battery thermal management system under low temperature as described in claim 1, it is characterised in that: the heat preservation layer material is
Rock wool board.
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| CN108565527B (en) * | 2018-06-07 | 2023-05-05 | 南昌航空大学 | Device for radiating battery module by using flat heat pipe |
| CN108649298B (en) * | 2018-07-04 | 2023-11-17 | 山东大学 | Electric automobile battery thermal management system based on phase change material |
| CN109256605B (en) * | 2018-11-01 | 2020-08-04 | 上海应用技术大学 | New energy automobile battery composite heat dissipation device |
| CN109560306A (en) * | 2018-11-30 | 2019-04-02 | 东南大学 | A kind of Proton Exchange Membrane Fuel Cells phase-change accumulation energy system based on foam metal |
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| CN109888432B (en) * | 2019-01-26 | 2021-11-05 | 宁波诺丁汉大学 | Lithium ion battery thermal management system containing spray cooling and phase-change material heat storage |
| CN109866899A (en) * | 2019-03-12 | 2019-06-11 | 余姚市浙江大学机器人研究中心 | A kind of phase transformation buoyancy engine cooling using heat pipe |
| CN109935753A (en) * | 2019-04-08 | 2019-06-25 | 杭州电子科技大学 | A kind of new-energy automobile power battery system based on heat pipe and phase-change material |
| CN112186297B (en) * | 2020-09-23 | 2022-02-15 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Battery thermal management system |
| CN114302608B (en) * | 2021-03-31 | 2024-01-30 | 华为数字能源技术有限公司 | Heat exchanger, cabinet and communication base station |
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| CN105453330A (en) * | 2013-07-05 | 2016-03-30 | 雷诺两合公司 | Electric vehicle battery thermal management device |
| CN204760510U (en) * | 2015-02-10 | 2015-11-11 | 广东万锦科技股份有限公司 | Phase change material energy storage stick |
| CN205452476U (en) * | 2015-12-25 | 2016-08-10 | 南京航空航天大学 | Cylindrical lithium cell with heat of transformation buffer function |
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| CN106654430A (en) | 2017-05-10 |
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