CN107403974B - Integrated power battery heat conduction and temperature equalization system - Google Patents
Integrated power battery heat conduction and temperature equalization system Download PDFInfo
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- CN107403974B CN107403974B CN201710572345.8A CN201710572345A CN107403974B CN 107403974 B CN107403974 B CN 107403974B CN 201710572345 A CN201710572345 A CN 201710572345A CN 107403974 B CN107403974 B CN 107403974B
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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
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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
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of 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
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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
- H01M10/65—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
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- 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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Abstract
The invention discloses an integrated power battery heat conduction and temperature equalization system, and aims to overcome the defects that the power battery of an electric automobile is complex in heat dissipation structure, poor in heat dissipation and temperature equalization effects and influences the service performance and service life of the power battery. The battery module comprises a base and a plurality of battery modules arranged on the base, wherein each battery module comprises a plurality of vertically arranged battery cell units, each battery cell unit comprises a battery cell, a support and a superconductive heat transfer assembly, each superconductive heat transfer assembly is arranged on each support, the front side and the rear side of each superconductive heat transfer assembly are respectively provided with a heat transfer part extending out of each support, each battery cell is arranged on each support, the right side surface of each battery cell is attached to each superconductive heat transfer assembly, the front side and the rear side of each battery module are respectively provided with a superconductive heat transfer body, the heat transfer parts on the front side and the rear side of each superconductive heat transfer assembly are respectively attached to the superconductive heat transfer bodies on the front side and the rear side of each battery module, one end of each superconductive heat transfer body is bent to form an L-shaped structure, one.
Description
Technical Field
The invention relates to a power battery, in particular to an integrated power battery heat conduction and temperature equalization system.
Background
As one of the core components of the electric automobile, the performance and safety of the electric automobile are directly affected by the performance of the power battery. The power battery pack is generally formed by connecting a plurality of single battery cells in series and parallel, and the structure of a battery system is complex. The existing power batteries for electric vehicles all belong to chemical power sources, and can emit certain heat in the charging and discharging processes. If the heat is accumulated in the battery pack and is not dissipated in time, the temperature of the battery is too high and the temperature distribution is not uniform. Chemical power sources generally have an optimal operating temperature range, and when their own temperature exceeds or falls below the optimal operating temperature range, various battery performances, especially the cycle life, are degraded. In addition, due to the fact that heat transfer is not timely, the temperature difference inside the battery pack is large, and the battery cells at different positions inside the battery pack work at different temperatures, the internal pressure difference of the battery pack is increased, the service life of the battery pack is shortened, and meanwhile, the battery pack is prone to being overheated locally, so that the safety problem of the battery pack is likely to occur. Conventional cooling methods in a battery system include natural cooling, air cooling, and water cooling. Although the application cost of natural cooling and air cooling is low, the cooling effect is poor, and the heating function can be realized only by additionally installing a heating component, so that the function integration is not easy to realize. The water cooling system can realize the integration of cooling and heating, but a water circulating system is required to be installed in the battery pack, so that the structure is complex, the cost is high, and the safety of the battery pack is directly influenced once leakage occurs. Therefore, the existing methods in the prior art cannot realize good temperature equalization effect in the battery pack.
Chinese patent publication No. CN201941577U discloses a [ electric ] motor coach battery pack cooling device, a rectangular frame, the frame is equipped with the air duct pipe all around, be equipped with the several wind hole on the air duct pipe, the wind hole aims at the gap in the middle of the battery pack, be equipped with the cooling tube in the interval gap in every group battery, the battery pack comprises the polylith battery, each group cooling tube communicates with each other, be equipped with coolant inlet and coolant outlet on the cooling tube, the speed governing fan communicates with each other with the air duct pipe, the cold air duct communicates with each other with the air duct pipe, be equipped with temperature sensor on the battery pack, be equipped with vibration damper below the battery pack, vibration damper is supported by upper bracket and lower carriage, the space of upper and lower carriage distance is equipped with several springs, be equipped with the one deck insulating layer below the lower carriage, constitute an [ electric ] motor coach battery pack automatic control. The device combines two heat dissipation technologies of computer control air cooling and water cooling, designs a vibration damper and a heat insulation layer, prolongs the service life of the battery pack of the electric motor coach, prevents accidents, and protects the safety of passengers. However, the water circulation system is installed in the battery pack, the structure is complex, the cost is high, the safety of the battery pack is directly affected once leakage occurs, and a good temperature equalization effect inside the battery pack cannot be achieved.
Disclosure of Invention
The invention overcomes the defects that the heat dissipation structure of the power battery of the electric automobile is complex, the heat dissipation and soaking effects are poor, and the service performance and the service life of the power battery are influenced, and provides the integrated heat conduction and temperature equalization system of the power battery.
In order to solve the technical problems, the invention adopts the following technical scheme: an integrated power battery heat conduction and temperature equalization system comprises a base and a plurality of battery modules arranged on the base, wherein each battery module comprises a plurality of vertically arranged battery cell units, two long edges of each battery cell unit are in the front-back direction, two short edges of each battery cell unit are in the up-down direction, each battery cell unit comprises a battery cell, a support and a superconductive heat transfer component, each superconductive heat transfer component is arranged on each support, heat transfer parts extending out of the supports are arranged on the front side and the back side of each superconductive heat transfer component, each battery cell is arranged in each support, the right side surface of each battery cell is attached to the corresponding superconductive heat transfer component of the corresponding battery cell unit on the left side, superconductive heat transfer bodies are arranged on the front side and the back side of each superconductive heat transfer component, the heat transfer parts on the front side and the back side of each superconductive heat transfer body are respectively attached to the superconductive heat transfer bodies on the front side and the back side of each battery module, one L-shaped end of the superconducting heat transfer body is connected with the superconducting heat sink bank, and the base is connected with the superconducting heat sink bank to exchange heat.
The heat of the electric core and the heat of the outside are rapidly led out and led in through the super heat conduction component and the super heat conduction body in the working process of the power battery. When the temperature of the battery core is too high and heat dissipation is needed, the heat exchange source cools the superconducting heat sink heat bar, the heat of the battery core sequentially passes through the superconducting heat transfer component, the heat transfer part, the superconducting heat transfer body and the superconducting heat sink heat bar, and the heat exchange source is used for cooling and heat dissipation while air cooling is carried out, so that the heat dissipation effect is good. And the superconductive heat collection bar connects all superconductive heat transfer bodies into an integral heat transfer body, and all the electric cores are jointed and connected with the heat transfer body, so that the soaking effect among the electric cores is good, the temperature difference is small, and the temperature difference can be controlled within 1 ℃. When the temperature of the battery core is too low, the heat exchange source heats the superconductive heat sink bar, and the heat is transmitted to the battery core through the superconductive heat transmission body, the heat transmission part and the superconductive heat transmission assembly, so that the battery core is in the optimal working state. The super heat conduction assembly, the super heat conduction body and the super heat collection and exhaust heat conduction coefficient are high, the heat transfer speed is high, and the heat dissipation and the uniform heating of the battery cell are facilitated. The integrated heat conduction and temperature equalization system for the power battery is simple in structure, good in heat dissipation and heat equalization effects, free of potential safety hazards in the working process, and capable of ensuring the service performance and the service life of the power battery.
Preferably, the super heat conduction assembly is of a sheet structure, a punching groove matched with the battery core is arranged on the super heat conduction assembly, the outer bottom surface of the punching groove protrudes towards the side of the support, the outer bottom surface of the punching groove is attached to the surface of the battery core, and the inner bottom surface of the punching groove is attached to the surface of the battery core of the adjacent battery core unit. The notching makes the battery core and the super heat conduction assembly be attached more closely and reliably, and is favorable for heat transfer.
Preferably, the support is of a frame-shaped structure, the battery core is connected in the support, the lower edge of the super heat conduction assembly is provided with a positioning flange, connecting bosses are arranged between the heat transfer part and the super heat conduction assembly and between the positioning flange and the super heat conduction assembly, the support and the connecting bosses are correspondingly provided with connecting grooves, and the connecting bosses are inserted into the connecting grooves in an adaptive mode. The super heat conduction assembly is conveniently and reliably connected with the bracket.
Preferably, the superconductive heat transfer body comprises a plurality of heat transfer rods stacked together. The super heat conduction body formed by the structure is flexible and convenient to mount, has large heat dissipation area and is beneficial to heat dissipation.
Preferably, the heat transfer rod is of a hollow tubular structure. The heat transfer rod with the hollow tubular structure has good heat dissipation effect.
According to the other scheme, the superconducting heat transfer body is of a vertically arranged long strip-shaped plate structure, a plurality of heat dissipation holes which are arranged in parallel are formed in the superconducting heat transfer body along the length direction, and the heat dissipation holes penetrate through two ends of the superconducting heat transfer body. The super heat conduction body with the strip-shaped plate-shaped structure is convenient to install and good in heat conduction effect.
Preferably, the heat exchange source comprises a heat exchange plate, a heat conducting rod is connected between the heat exchange plate and the superconducting heat sink, a snake-shaped heat exchange air pipe and a snake-shaped electric heating wire are installed on the heat exchange plate, and a temperature detector is installed on the superconducting heat sink. The temperature of the superconducting heat sink heat bar is detected through the temperature detector, so that the temperature of the battery cell is indirectly obtained, the battery cell is cooled when the detected temperature is too high, and the battery cell is heated when the detected temperature is too low. When the superconducting heat sink bank needs to be cooled, an air outlet of an automobile air conditioner is connected to the heat exchange air pipe, cold air blown out by the air conditioner cools the heat exchange plate, heat is transferred through the heat conducting rod, and the superconducting heat sink bank is cooled. When the superconducting heat sink heat bar needs to be heated, the electric heating wire is electrified to work, the temperature of the heat exchange plate rises, heat is transferred through the heat conducting rod, and the superconducting heat sink heat bar is heated.
Preferably, the superconducting heat transfer body is connected with the superconducting heat transfer component by a heat conducting adhesive, and the superconducting heat transfer body is connected with the superconducting heat sink row by a heat conducting adhesive. The heat-conducting adhesive not only realizes the connection of the two, but also is beneficial to the heat transfer.
Preferably, the super heat conduction assembly, the super heat conduction body and the super heat sink are all made of super heat conduction metal, the super heat conduction metal is one of copper, copper alloy, aluminum alloy, magnesium alloy or stainless steel, and the super heat conduction metal is added with heat-transferable organic matter or one of heat-transferable inorganic matters. The heat-transferable organic matter is one of metal organic polymer or carbon chain polymer, and the heat-transferable inorganic matter is one of graphite, graphene, carbon nano tube, carbon fiber or silicon material. The superconductive heat transfer component, the superconductive heat transfer body and the superconductive heat sink heat-dissipation bar have large heat conductivity coefficient and good heat conduction effect.
Compared with the prior art, the invention has the beneficial effects that: (1) the integrated heat conduction and temperature equalization system for the power battery is simple in structure, good in heat dissipation and temperature equalization effects, free of potential safety hazards in the working process, and capable of ensuring the service performance and service life of the power battery; (2) the heat dissipation of the battery core can be realized, the battery core can be heated, the working temperature of the battery core is ensured to be in the optimal range, and therefore the service performance and the service life of the battery core are improved.
Drawings
FIG. 1 is a schematic structural view of a base of the present invention;
fig. 2 is a schematic structural view of a battery module of the present invention;
fig. 3 is an exploded view of a cell unit of the present invention;
in the figure: 1. the heat-conducting module comprises a base, 2, a battery module, 3, a battery cell unit, 4, a battery cell, 5, a support, 6, a super heat conduction assembly, 7, a heat conduction part, 8, a super heat conduction body, 9, a super heat collection row, 10, a heat exchange source, 11, a notching, 12, a positioning flanging, 13, a connecting boss, 14, a connecting groove, 15 and a heat conducting rod.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1: an integrated power battery heat conduction and temperature equalization system (see attached figures 1 to 3) comprises a base 1 and a plurality of battery modules 2 arranged on the base, wherein each battery module comprises a plurality of vertically arranged battery cell units 3, two long sides of each battery cell unit are in the front-back direction, two short sides of each battery cell unit are in the up-down direction, each battery cell unit comprises a battery cell 4, a support 5 and a superconductive heat transfer assembly 6, each superconductive heat transfer assembly is arranged on each support, heat transfer parts 7 extending out of the supports are arranged on the front side and the back side of each superconductive heat transfer assembly, each battery cell is arranged in each support, the right side surface of each battery cell is attached to the corresponding superconductive heat transfer assembly of the corresponding battery cell unit on the left side, superconductive heat transfer bodies 8 are arranged on the front side and the back side of each battery module, the heat transfer parts on the front side and the back side of each superconductive heat transfer assembly are respectively attached to, one end of the base, which is close to the L-shaped superconducting heat transfer body, is connected with a superconducting heat sink 9, one end of the L-shaped superconducting heat transfer body is connected with the superconducting heat sink, and the base and the superconducting heat sink are connected with a heat exchange source 10. The super heat conduction assembly is of a sheet structure, a punching groove 11 matched with the battery core is arranged on the super heat conduction assembly, the outer bottom surface of the punching groove protrudes towards the side of the support, the outer bottom surface of the punching groove is attached to the surface of the battery core, and the inner bottom surface of the punching groove is attached to the surface of the battery core of an adjacent battery core unit. The support is frame column structure, and electric core connects in the support, and superconductive heat transfer assembly lower limb is equipped with location turn-ups 12, all is equipped with between heat transfer portion and the superconductive heat transfer assembly and between location turn-ups and the superconductive heat transfer assembly and connects the boss 13, corresponds on the support with connecting the boss and is equipped with connecting groove 14, connects boss adaptation cartridge in connecting groove. The superconductive heat transfer body comprises a plurality of heat transfer rods which are stacked together. The heat transfer rod is of a hollow tubular structure. The heat exchange source comprises a heat exchange plate, a heat conducting rod 15 is connected between the heat exchange plate and the superconducting heat sink, a snake-shaped heat exchange air pipe and a snake-shaped electric heating wire are installed on the heat exchange plate, and a temperature detector is installed on the superconducting heat sink. The superconducting heat transfer body is connected with the superconducting heat transfer component through a heat conduction adhesive, and the superconducting heat transfer body is connected with the superconducting heat sink through a heat conduction adhesive. The superconductive heat transfer component, the superconductive heat transfer body and the superconductive heat sink heat bar are all made of superconductive heat metal, the superconductive heat metal is one of copper, copper alloy, aluminum alloy, magnesium alloy or stainless steel, and the superconductive heat metal is added with one of heat-transferable organic matter or heat-transferable inorganic matter. The heat-transferable organic matter is one of metal organic polymer or carbon chain polymer, and the heat-transferable inorganic matter is one of graphite, graphene, carbon nano tube, carbon fiber or silicon material.
The heat of the electric core and the heat of the outside are rapidly led out and led in through the super heat conduction component and the super heat conduction body in the working process of the power battery. When the temperature of the battery core is too high and heat dissipation is needed, the heat exchange source cools the superconducting heat sink heat bar, the heat of the battery core sequentially passes through the superconducting heat transfer component, the heat transfer part, the superconducting heat transfer body and the superconducting heat sink heat bar, and the heat exchange source is used for cooling and heat dissipation while air cooling is carried out, so that the heat dissipation effect is good. And the superconductive heat collection bar connects all superconductive heat transfer bodies into an integral heat transfer body, and all the electric cores are jointed and connected with the heat transfer body, so that the soaking effect among the electric cores is good, the temperature difference is small, and the temperature difference can be controlled within 1 ℃. When the temperature of the battery core is too low, the heat exchange source heats the superconductive heat sink bar, and the heat is transmitted to the battery core through the superconductive heat transmission body, the heat transmission part and the superconductive heat transmission assembly, so that the battery core is in the optimal working state. The super heat conduction assembly, the super heat conduction body and the super heat collection and exhaust heat conduction coefficient are high, the heat transfer speed is high, and the heat dissipation and the uniform heating of the battery cell are facilitated.
Example 2: the structure of an integrated power battery heat conduction and temperature equalization system is similar to that of embodiment 1, and the main difference is that in this embodiment, a superconducting heat transfer body is in a vertically arranged strip-shaped plate-shaped structure, a plurality of heat dissipation holes which are arranged in parallel are arranged in the superconducting heat transfer body along the length direction, and the heat dissipation holes penetrate through two ends of the superconducting heat transfer body. The other structure is the same as embodiment 1.
The embodiments described above are merely two preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. An integrated power battery heat conduction and temperature equalization system comprises a base (1) and a plurality of battery modules (2) arranged on the base (1), wherein each battery module (2) comprises a plurality of vertically arranged battery cell units (3), the two long edges of each battery cell unit are in the front-back direction, the two short edges of each battery cell unit are in the up-down direction, the integrated power battery heat conduction and temperature equalization system is characterized in that each battery cell unit (3) comprises a battery cell (4), a support (5) and a superconductive heat transfer assembly (6), each superconductive heat transfer assembly (6) is arranged on each support (5), heat transfer parts (7) extending out of the corresponding support (5) are arranged on the front side and the rear side of each superconductive heat transfer assembly, each battery cell (4) is arranged in each support (5), the right side surface of each battery cell (4) is attached to each superconductive heat transfer assembly (6) of the adjacent battery cell units (3) on the left side, superconductive heat, heat transfer parts (7) on the front side and the rear side of the superconducting heat transfer component (6) are respectively attached to superconducting heat transfer bodies (8) on the front side and the rear side of the battery module (2), one end of each superconducting heat transfer body (8) is bent to be of an L-shaped structure, one end, close to the L-shaped structure, of the base (1) is connected with a superconducting heat sink heat bar (9), one end, L-shaped structure, of each superconducting heat transfer body (8) is connected with the superconducting heat sink heat bar (9), and a heat exchange source (10) is connected with the superconducting heat sink heat bar (9) on the base (1); the superconductive heat transfer component (6), the superconductive heat transfer body (8) and the superconductive heat sink bar (9) are all made of superconductive heat metal, the superconductive heat metal is one of copper, copper alloy, aluminum alloy, magnesium alloy or stainless steel, and the superconductive heat metal is added with one of heat-transferable organic matters or heat-transferable inorganic matters; the heat-transferable organic matter is one of metal organic polymer or carbon chain polymer, and the heat-transferable inorganic matter is one of graphite, graphene, carbon nano tube, carbon fiber or silicon material.
2. The integrated power battery heat-conducting and temperature-equalizing system of claim 1, wherein the super-heat-conducting component (6) is of a sheet structure, a notching (11) matched with the battery cell (4) is arranged on the super-heat-conducting component (6), the outer bottom surface of the notching (11) protrudes towards the side of the bracket (5), the outer bottom surface of the notching (11) is attached to the surface of the battery cell (4), and the inner bottom surface of the notching (11) is attached to the surface of the battery cell (4) of the adjacent battery cell unit (3).
3. The integrated power battery heat-conducting and temperature-equalizing system as claimed in claim 2, wherein the support (5) is of a frame-shaped structure, the battery core (4) is connected in the support (5), the lower edge of the super-heat-conduction component (6) is provided with a positioning flange (12), connecting bosses (13) are respectively arranged between the heat transfer part (7) and the super-heat-conduction component (6) and between the positioning flange (12) and the super-heat-conduction component (6), the support (5) and the connecting bosses (13) are correspondingly provided with connecting grooves (14), and the connecting bosses (13) are inserted into the connecting grooves (14) in a matching manner.
4. The integrated power battery heat-conducting and temperature-equalizing system as claimed in claim 1, wherein the superconducting heat-transferring body (8) comprises a plurality of heat-transferring rods stacked together.
5. The integrated power battery heat-conducting and temperature-equalizing system of claim 4, wherein the heat transfer rod is of a hollow tubular structure.
6. The integrated power battery heat-conducting and temperature-equalizing system as claimed in claim 1, wherein the super heat-conducting body (8) is a vertically arranged elongated plate-shaped structure, and a plurality of heat dissipation holes are arranged in parallel along the length direction in the super heat-conducting body (8) and penetrate through two ends of the super heat-conducting body (8).
7. The integrated power battery heat-conducting and temperature-equalizing system as claimed in any one of claims 1 to 6, wherein the heat-exchanging source (10) comprises a heat-exchanging plate, a heat-conducting rod (15) is connected between the heat-exchanging plate and the superconducting heat-collecting bar (9), a serpentine heat-exchanging air pipe and a serpentine electric heating wire are mounted on the heat-exchanging plate, and a temperature detector is mounted on the superconducting heat-collecting bar (9).
8. The integrated power battery heat-conducting and temperature-equalizing system as claimed in any one of claims 1 to 6, wherein the superconducting heat-conducting body (8) is connected with the superconducting heat-conducting component (6) through a heat-conducting adhesive, and the superconducting heat-conducting body (8) is connected with the superconducting heat-collecting heat-discharging tube (9) through a heat-conducting adhesive.
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| CN110137629A (en) * | 2018-02-02 | 2019-08-16 | 北京海博思创科技有限公司 | Battery module and battery thermal management system |
| CN110137616A (en) * | 2018-02-02 | 2019-08-16 | 北京海博思创科技有限公司 | A kind of battery thermal management system |
| CN108183186A (en) * | 2018-02-02 | 2018-06-19 | 北京海博思创科技有限公司 | Battery component and battery thermal management system |
| CN109378551B (en) * | 2018-11-20 | 2023-11-10 | 华南理工大学 | Novel phase change cooling and heating integrated structure of power battery |
| CN110289376B (en) * | 2019-05-09 | 2022-09-13 | 合肥国轩高科动力能源有限公司 | Laminate polymer battery module |
| CN110311189A (en) * | 2019-08-12 | 2019-10-08 | 深圳市嘉名科技有限公司 | Battery modules, battery pack, electric vehicle and network system |
| CN115732803B (en) * | 2022-12-20 | 2024-02-27 | 重庆太蓝新能源有限公司 | Battery module and temperature regulation and control method thereof |
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| CN106207309A (en) * | 2016-08-30 | 2016-12-07 | 华霆（合肥）动力技术有限公司 | A kind of heat management device and battery modules |
| CN107146923A (en) * | 2017-05-17 | 2017-09-08 | 南京林业大学 | A kind of power battery pack temperature uniforming heat radiation device being made up of cold drawing array and processing method |
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| CN107403974A (en) | 2017-11-28 |
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