CN111490308A - Heat conduction device of energy storage/power battery pack - Google Patents
Heat conduction device of energy storage/power battery pack Download PDFInfo
- Publication number
- CN111490308A CN111490308A CN201910078214.3A CN201910078214A CN111490308A CN 111490308 A CN111490308 A CN 111490308A CN 201910078214 A CN201910078214 A CN 201910078214A CN 111490308 A CN111490308 A CN 111490308A
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- heat
- heat exchange
- exchange plate
- flexible insulating
- refrigerant channel
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- 238000004146 energy storage Methods 0.000 title claims abstract description 10
- 239000003507 refrigerant Substances 0.000 claims abstract description 49
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 3
- 238000001816 cooling Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000005192 partition Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 208000032953 Device battery issue Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- H01M10/65—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a heat conduction device of an energy storage/power battery pack. The heat conduction device consists of a plurality of electric cores, a plurality of flexible insulating heat conduction fins and a plurality of heat exchange plates; the heat exchange plate is internally provided with a heat superconducting pipeline and a refrigerant channel in a certain shape, and the heat superconducting pipeline is filled with a heat transfer working medium; the battery cell and the heat exchange plate are arranged alternately, and a flexible insulating heat conduction sheet is clamped between the battery cell and the heat exchange plate; the cells are stacked in at least one sequence, arranged one after the other and conducting heat away/into them by means of flexible insulating heat conducting fins and heat exchanger plates. The heat conduction device can be assembled in a simple mode, can conduct/guide heat out/in quickly and efficiently, and meets the heat exchange requirement of a high-power heat exchange system.
Description
Technical Field
The invention relates to a heat transfer device for energy storage/power batteries, in particular square cells and pouch cells, which are stacked in at least one row from a plurality of cells, are arranged one behind the other and conduct heat away/into them via flexible, insulating, heat-conducting strips and heat exchanger plates.
Background
The group battery is at the charge-discharge in-process, and the inside a large amount of heats that can gather of battery, if the heat is not timely discharged, then can lead to battery high temperature or temperature homogeneity relatively poor, not only can influence battery capacity, life, still can lead to the thermal runaway when serious, and then bring the battery to snap and open, smoke, can lead to the battery explosion even. On the contrary, when the battery pack is in a low-temperature environment, the service life is shortened, the charge and discharge capacity is rapidly reduced, and the battery utilization efficiency is low, so that the battery pack is particularly important for the thermal management of the battery.
At present, the heat exchange of the battery pack generally adopts the following modes: (1) natural convection heat dissipation is achieved, the space of the battery pack is large, the battery pack is well contacted with air, the exposed part can naturally exchange heat with the air, but the heat dissipation is slow, and thermal runaway is easily caused; (2) the air-cooled structure dispels the heat, installs radiator fan additional in battery package one end, and the ventilation hole is left to the other end, makes the air flow with higher speed between electric core, takes away the heat of during operation, compares with natural convection heat dissipation, and the radiating rate increases to some extent, still has the soaking poor, can not effectively radiating when a large amount of heat gathers the problem, causes thermal runaway equally easily. (3) The liquid cooling structure dispels the heat, and the heat of electricity core passes through heat conduction silica gel piece and transmits to the liquid cooling pipe, is taken away the heat by the free circulation flow of cooling liquid expend with heat and contract with cold, but its adoption is closed free liquid cooling circulation (passive liquid cooling), and although the cooling liquid is great than the heat capacity, can absorb a large amount of heat, and the cooling effect also far than two kinds of preceding modes are good, but the system cooling liquid is limited, and the velocity of flow is also limited, and the soaking effect is not good, therefore the temperature control ability is limited.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a heat conduction module for a power supply device, which is used to solve the problems of low heat transfer and exchange efficiency, easy thermal runaway, and battery failure in extremely cold regions, and which can be assembled in a simple manner and can rapidly and efficiently conduct/conduct heat out of/into the module, thereby meeting the heat control requirement of a high-power heat exchange system.
In order to achieve the above objects and other related objects, the present invention provides a heat conduction device for an energy storage/power battery pack, the heat conduction device comprises a plurality of cells, a plurality of flexible insulating heat conduction fins, a plurality of heat exchange plates, a connecting member, a partition plate, a housing and a fastening member; the electric core and the heat exchange plate are arranged alternately, and the electric core and the heat exchange plate are tightly attached through a flexible insulating heat conduction sheet; the shell and the fastener assemble the battery core, the flexible insulating heat conducting fins and the heat exchange plate together to form a complete heat conducting device.
Preferably, the cells are stacked in at least one sequence, arranged one after the other and the heat is conducted out/in through flexible insulating heat conducting fins and heat exchanger plates.
Preferably, the plurality of heat exchange plates are arranged at intervals, and at least one battery cell is clamped between every two adjacent heat exchange plates.
Preferably, the battery cell is a soft-package battery cell or a square battery cell.
Preferably, the flexible insulating heat conducting sheet has the following four functions: firstly, the battery and the heat exchange plate are tightly attached to prevent the battery core from sliding; secondly, the buffer material is used for relieving the damage caused by the collision between the battery cell and the heat exchange plate when the whole device is vibrated or impacted; thirdly, the traditional inefficient passive air heat transfer mode is changed, the interface thermal resistance between the battery and the air and between the air and the heat exchange plate is large, the flexible insulating heat conducting fins replace the air and are tightly attached to the battery and the heat exchange plate, the interface thermal resistance is reduced, and the heat transfer efficiency is high; fourthly, the flexible insulating heat conducting sheet has insulating property.
Preferably, the heat exchange plate is composed of a composite plate integrating a heat superconducting pipeline and a refrigerant channel; the heat exchange plate is internally provided with a heat superconducting pipeline with a certain shape and communicated with each other; the heat superconducting pipeline is a closed pipeline; the heat superconducting pipeline is filled with heat transfer working medium;
preferably, the shape of the heat superconducting pipeline is a circular honeycomb shape, a polygonal honeycomb shape, a plurality of U-shapes connected end to end in series, a diamond shape, a circular ring shape, or any combination of any one of the above figures.
Preferably, the heat exchange plate is provided with a refrigerant channel; the refrigerant channel is close to the periphery of the heat exchange plate and surrounds the heat superconducting pipeline in a zigzag manner.
Preferably, the cross-sectional shape of the refrigerant channel is an ellipse, a circle, a quadrangle or a polygon.
Preferably, the heat superconducting pipeline and the refrigerant channel are in a double-faced expansion shape on the heat exchange plate.
Preferably, two ends of the refrigerant channel are provided with openings; the refrigerant channel opening is provided with a refrigerant channel joint, and the refrigerant channel is communicated with an external refrigerant system through the refrigerant channel joint.
The technical scheme provided by the invention can achieve the following beneficial effects:
the heat conduction device of the energy storage/power battery pack realizes heat exchange through the heat exchange plate, has high heat exchange rate, high heat exchange efficiency and good temperature equalizing effect, enables the temperature change of the battery pack to tend to be smooth, and reduces or even eliminates the occurrence of thermal runaway.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
Fig. 1 is a schematic view illustrating a battery and a heat exchange plate according to the present invention.
Fig. 2 shows a top view of fig. 1.
Fig. 3 is a front view of fig. 1.
Fig. 4 is a schematic view showing the shape of the square battery cell and the heat exchange plate in fig. 1.
Fig. 5 is a schematic diagram of another embodiment of the present invention.
Fig. 6 is a schematic view showing the shapes of the soft-package battery cell and the heat exchange plate in fig. 5.
In the figure: the heat exchange structure comprises a battery pack 1, a battery pack 2, a battery cell 201, a first polarity connecting terminal, a second polarity connecting terminal 202, a heat exchange plate 3, a heat superconducting pipeline 301, a refrigerant channel 302, a refrigerant channel 303, a refrigerant channel joint 4, a flexible insulating heat conducting sheet 5, a connecting piece 6, a shell 601, a cover plate 7, a fastener and a partition plate 8.
Detailed Description
The present invention is further described in terms of the following examples, which are intended to illustrate and not limit the scope of the invention, which are set forth in the appended claims, and which are intended to cover all such modifications and changes as fall within the true spirit of the invention.
Referring to fig. 1 to 6, it should be noted that the drawings provided in the present embodiment are only schematic illustrations for explaining the basic idea of the present invention, and although the drawings show the components related to the present invention rather than drawn according to the number, shape and size of the components in actual implementation, the form, the number and the proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
Referring to fig. 1 to 6, the present invention provides a battery pack heat conduction device, which can conduct heat to or from a battery pack to keep the battery pack within an ideal operating temperature; the battery pack heat conducting device is composed of a battery cell 2, a flexible insulating heat conducting fin 4, a heat exchange plate 3, a connecting piece 5, a shell 6, a partition plate 8 and a fastening piece 7.
The heat conduction path of the battery pack heat conduction device is as follows: when the temperature of the battery core 2 is too high, the heat of the battery core is synchronously, equivalently and efficiently conducted out through the flexible insulating heat-conducting fins 4 and the heat exchange plate 3, and the refrigerant channel 302 on the heat exchange plate 3 quickly takes away the heat to achieve the purpose of cooling; when the temperature of the battery core 2 is too low, the refrigerant channel 302 on the heat exchange plate 3 carries heat to be transferred to the flexible insulating heat conducting strip 4, and then the heat exchange is carried out between the flexible insulating heat conducting strip 4 and the battery core 2 to achieve the purpose of temperature rise.
The shell 6 comprises six panels, and the partition plate 8 has insulation and certain toughness, and it can be understood that the shell 6 and the partition plate 8 are used for protecting the electric core 2 and the heat exchange plate 3.
The battery core 2 and the heat exchange plate 3 are arranged in the shell 6, the battery core 2 and the heat exchange plate 3 are arranged at intervals, the battery core 2 and the heat exchange plate 3 are tightly attached through the flexible insulating heat conducting fins 4, and air between the battery core 2 and the flexible insulating heat conducting fins 4 and between the flexible insulating heat conducting fins 4 and the heat exchange plate 3 is exhausted so as to increase heat transfer efficiency; the flexible insulating heat conducting fin 3 absorbs heat generated by charging and discharging of the battery by using phase change latent heat generated when the phase change occurs, so that the heat generated by the battery is taken away to the maximum extent, and the purpose of efficient heat transfer is achieved; the flexible insulating heat conducting fins 4 and the heat exchange plate 3 generate thermal resonance, so that the heat of the battery core is efficiently and equivalently transferred to the heat exchange plate.
In an embodiment of the present invention, referring to fig. 1, the plurality of battery cells and the plurality of heat exchange plates are arranged at intervals, and at least one battery cell is sandwiched between two adjacent heat exchange plates, and preferably, one battery cell is sandwiched between two adjacent heat exchange plates.
Further, in the battery pack heat conduction device, the arrangement modes of the first polarity terminal and the second polarity terminal of the adjacent battery cells are that the first polarity terminal and the second polarity terminal are arranged on the same side, different sides, or several adjacent battery cells are arranged on the same side, and other several adjacent battery cells are arranged on different sides; the arrangement mode of the total positive and the total negative of the whole device is that the two ends of the same row, the two ends of the same column or the arrangement mode is arranged in a diagonal mode.
The heat exchange plate is composed of a composite plate integrated with a heat superconducting pipeline and a refrigerant channel; the heat exchange plate is internally provided with a heat superconducting pipeline with a certain shape and communicated with each other; the heat superconducting pipeline is a closed pipeline; the heat superconducting pipeline is filled with heat transfer working medium; the heat transfer working medium filled in the heat exchange plate can be gas or liquid or a mixture of gas and liquid, such as water, oil, refrigerant and the like.
The shape of the heat superconducting pipeline is circular honeycomb, polygonal honeycomb, a plurality of U-shaped, rhombic and circular connected end to end in series, or any combination of any one of the above figures.
The heat exchange plate is provided with a refrigerant channel; the cross section of the refrigerant channel is elliptical, circular, quadrilateral or polygonal; and a refrigerant freely circulates in the refrigerant channel.
The refrigerant channel is arranged at the periphery of the heat superconducting pipeline and surrounds the heat superconducting pipeline in a zigzag shape.
Openings are formed at two ends of the refrigerant channel; the refrigerant channel opening is provided with a refrigerant channel joint, and the opening is communicated with an external refrigerant system through the refrigerant channel joint.
As shown in fig. 1, square electric cores 2 and heat exchange plates 3 are arranged alternately, and are tightly attached to each other through flexible insulating heat conducting fins 4; as shown in fig. 2, the positive electrode and the negative electrode between two adjacent square battery cells are on opposite sides; the positive pole and the negative pole of two adjacent electric cores are connected through a connecting piece 5 to form a series structure; in fig. 3, the middle connecting piece 5 is a flat welding structure, the two side connecting pieces 5 are right-angled structures, and the two side connecting pieces are respectively a total positive and a total negative at two ends of the same row.
Referring to fig. 4, the square electric core 2, the heat exchange plate 3 and the flexible insulating heat conducting fin 4 have the same height and the same width; the refrigerant channel 302 is close to the periphery of the heat exchange plate 3 and surrounds the heat superconducting pipeline in a zigzag shape; refrigerant channel joints 303 are arranged at left and right openings of refrigerant channels at the lower parts of the heat exchange plates, the refrigerant channel joints 303 are closed to be round from the ends of the refrigerant channels 302 in an inverted triangle shape, and extend outwards to form cylindrical interfaces; the cross section of the refrigerant channel is rectangular, and the refrigerant flows in from one of the joints, flows through the refrigerant channel and flows out from the refrigerant joint on the other side.
In another embodiment of the present invention, referring to fig. 5, the soft package cells 2 and the heat exchange plates 3 are arranged alternately, the two are tightly attached to each other through the flexible insulating heat conducting fins 4, and one soft package cell 2 is sandwiched between two adjacent heat exchange plates 3; specifically, as shown in fig. 6, the size of the heat superconducting pipeline area is equal to the size of the middle pole piece area of the soft package cell 2, and the size of the area of the flexible insulating heat conducting strip is equal to the size of the heat superconducting pipeline area defined under the zigzag refrigerant channel; the pole piece area of the soft-package battery cell is tightly attached to the heat superconducting pipeline through a flexible insulating heat conducting fin, and the refrigerant channel is tightly attached to the peripheral packaging area of the soft-package battery cell; the cross section of the refrigerant channel is circular.
In summary, the present invention provides a battery pack heat conduction module formed by alternately arranging an energy storage module for a power supply device and a heat exchange plate with a refrigerant channel, wherein the energy storage module and the heat exchange plate are tightly attached to each other through a flexible insulating heat conduction sheet. The battery pack heat conducting device consists of a battery, a flexible insulating heat conducting fin and a heat exchange plate, and has the characteristics of high heat conducting rate and good temperature uniformity; by utilizing the characteristics of high heat conduction rate and good temperature uniformity of the heat superconducting pipe area, the effective heat transfer area of the battery pack heat conduction device is increased, the heat dissipation capacity and the heat exchange efficiency of the device are greatly increased, and the risk of thermal runaway is reduced or even eliminated. The battery pack heat conduction module has the characteristics of compact structure, high heat exchange efficiency, small volume, light weight, reliable performance, simple and easy assembly, easy processing and high reliability.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes be covered by the claims without departing from the spirit and technical concepts of the present invention by those skilled in the art.
Claims (10)
1. The heat conduction device of the energy storage/power battery pack is characterized by comprising an electric core, a flexible insulating heat conduction sheet, a heat exchange plate and a shell;
the battery core, the flexible insulating heat-conducting fin and the heat exchange plate are arranged in the shell; the flexible insulating heat-conducting sheet has high heat conductivity, flexibility and insulativity; the heat exchange plate is internally provided with a heat superconducting pipeline and a refrigerant channel; and the heat superconducting pipeline is filled with a heat transfer medium.
2. The device of claim 1, wherein a flexible insulating heat conducting sheet is sandwiched between the battery cell and the heat exchange plate.
3. The device of claim 1, wherein the cells are stacked in at least one sequence, arranged one after another, and the heat is conducted out/in through flexible insulating heat-conducting fins and heat exchange plates.
4. The device of claim 1, wherein the plurality of heat exchange plates are arranged at intervals, and at least one of the cells is sandwiched between two adjacent heat exchange plates.
5. The energy storage/power battery pack heat transfer device of claim 1, wherein the cell is a soft-packed cell or a square cell.
6. The heat transfer device of claim 1, wherein the heat exchange plate has a closed thermal superconducting pipeline therein, and the thermal superconducting pipeline has a shape of a circular honeycomb, a polygonal honeycomb, a plurality of U-shapes connected end to end in series, a diamond shape, a circular ring shape, or any combination of any one of the above.
7. The device of claim 1, wherein the heat exchanger plate has a coolant channel; the refrigerant channel is close to the periphery of the heat exchange plate and surrounds the heat superconducting pipeline in a zigzag manner.
8. The device as claimed in claim 1, wherein the cross-sectional shape of the coolant channel is elliptical, circular, quadrilateral or polygonal.
9. The device of claim 1, wherein the heat exchanger plates are expanded from both sides of the heat exchanger tubes and the coolant channel.
10. The device of claim 1, wherein the refrigerant channel has openings at both ends; the refrigerant channel opening is provided with a refrigerant channel joint, and the opening is communicated with an external refrigerant system through the refrigerant channel joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078214.3A CN111490308A (en) | 2019-01-28 | 2019-01-28 | Heat conduction device of energy storage/power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078214.3A CN111490308A (en) | 2019-01-28 | 2019-01-28 | Heat conduction device of energy storage/power battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN111490308A true CN111490308A (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910078214.3A Pending CN111490308A (en) | 2019-01-28 | 2019-01-28 | Heat conduction device of energy storage/power battery pack |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036262A (en) * | 2021-03-09 | 2021-06-25 | 宁波大学 | Balanced heat abstractor of battery module |
| CN113451681A (en) * | 2021-06-29 | 2021-09-28 | 深圳市南海高新科技有限公司 | Thermal safety management system and battery |
| WO2023125085A1 (en) * | 2021-12-31 | 2023-07-06 | 重庆三峡时代能源科技有限公司 | Battery module, battery pack, and energy storage system |
| WO2023124553A1 (en) * | 2021-12-31 | 2023-07-06 | 重庆三峡时代能源科技有限公司 | Battery module and battery pack |
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2019
- 2019-01-28 CN CN201910078214.3A patent/CN111490308A/en active Pending
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| CN113036262A (en) * | 2021-03-09 | 2021-06-25 | 宁波大学 | Balanced heat abstractor of battery module |
| CN113451681A (en) * | 2021-06-29 | 2021-09-28 | 深圳市南海高新科技有限公司 | Thermal safety management system and battery |
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| WO2023124553A1 (en) * | 2021-12-31 | 2023-07-06 | 重庆三峡时代能源科技有限公司 | Battery module and battery pack |
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