CN113889690A - Soft packet of lithium battery module structure of effectively preventing heat diffusion in battery package - Google Patents
Soft packet of lithium battery module structure of effectively preventing heat diffusion in battery package Download PDFInfo
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- CN113889690A CN113889690A CN202111029447.8A CN202111029447A CN113889690A CN 113889690 A CN113889690 A CN 113889690A CN 202111029447 A CN202111029447 A CN 202111029447A CN 113889690 A CN113889690 A CN 113889690A
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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
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
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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
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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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to a soft package lithium battery module structure for effectively preventing heat diffusion in a battery pack, which comprises a module, wherein the inner space of the module is divided into a plurality of areas by a heat insulation plate, a fireproof plate, an upper cover plate, a lower cover plate, a left end plate and a right end plate, a battery cell unit is placed in each area and is formed by stacking battery cells in series and parallel, the lower part of the upper cover plate is coated with heat conduction structure glue, the upper part of the lower cover plate is coated with the heat conduction structure glue, the upper cover plate and the lower cover plate are fixedly adhered with the battery cells through gluing, and the module enhances the structural strength of the module and realizes the heat conduction in the module through the heat conduction structure glue; the invention can effectively prevent the occurrence of thermal diffusion between the modules in the battery pack and improve the safety of the battery pack.
Description
Technical Field
The invention relates to the technical field of structures of soft package lithium batteries, in particular to a soft package lithium battery module structure capable of effectively preventing heat diffusion in a battery pack.
Background
The lithium ion battery has the advantages of light weight, large energy storage, large power, no pollution, long service life, small self-discharge coefficient, wide temperature adaptation range and the like, is gradually favored by people, and gradually replaces other traditional batteries in the field of energy storage and power batteries; along with the development of new energy industry, the safety performance of the module is more and more concerned, the soft package lithium battery module is developed towards the direction of large-scale and integration, which means that a large number of soft package batteries need to be stacked together, and compared with square aluminum shell batteries and cylindrical batteries, if a large number of soft package batteries are stacked together, and no better safety protection exists, when the battery core is out of control due to heat, large-scale heat diffusion is easily and rapidly caused, so that dangerous conditions such as combustion or explosion can occur; therefore, it is particularly important to design a soft package lithium battery module structure for effectively preventing heat diffusion in a battery pack.
Disclosure of Invention
The invention aims to solve the problems, and provides a soft package lithium battery module structure for effectively preventing heat diffusion in a battery pack, which can effectively prevent the heat diffusion between modules in the battery pack and improve the safety of the battery pack.
The purpose of the invention is realized as follows: the utility model provides an effectively prevent soft packet of lithium cell module structure of internal heat diffusion of battery package, includes the module, and the inner space of module is cut off by heat insulating board, PLASTIC LAMINATED, upper cover plate, lower apron, left end board and right end board and is a plurality of regions, places an electric core unit in every region, electric core unit is piled up by electric core series-parallel and is constituteed, the lower part of upper cover plate is scribbled and is equipped with the heat conduction structure and glue, the upper portion of apron is scribbled down and is equipped with the heat conduction structure and glue, the upper cover plate with the apron is pasted fixedly through rubber coating and electric core down, and the module is glued through the heat conduction structure and is strengthened module structural strength and realize the module internal heat conduction.
The heat insulation plate is arranged between the cell units to form regional heat insulation.
The heat insulation board is made of aerogel or phase change heat absorption materials.
The fire-proof plate is fixed in the module, and the strength of the fire-proof plate is lower than that of the upper cover plate and the lower cover plate.
The inboard bonding of PLASTIC LAMINATED has the cotton double faced adhesive tape of bubble, and the module still includes the busbar subassembly, the PLASTIC LAMINATED passes through the cotton double faced adhesive tape of bubble to be fixed at the preceding rear end face of busbar subassembly.
The fireproof plate is characterized in that upper cover plate flanges are arranged in the front and the back of the upper cover plate, lower cover plate flanges are arranged in the front and the back of the lower cover plate, and the fireproof plate is clamped between the upper cover plate flanges and the lower cover plate flanges.
The structural shape of busbar subassembly is the comb shape, the broach tip of busbar subassembly is equipped with guide structure, the battery core utmost point ear is inserted through guide structure top-down to the busbar subassembly, and the welding of buckling of battery core utmost point ear is in on the busbar of busbar subassembly, realize the series-parallel connection of battery core.
And foam double-faced adhesive tapes are bonded between the electric cores.
The upper cover plate and the lower cover plate are made of metal and are fixedly connected with the left end plate and the right end plate through laser welding respectively.
The invention has the beneficial effects that:
1. the internal space of the module is partitioned into a plurality of areas by the heat insulation plate, the fire prevention plate, the upper cover plate, the lower cover plate, the left end plate and the right end plate, after one cell is out of control due to heat, the heat can be effectively slowed down or prevented from spreading to other areas, and deflagration caused by instantaneous release of a large amount of stacked cell energy is avoided;
2. the upper part and the lower part of the module are of a structure formed by combining a metal plate and a heat conduction structural adhesive, so that when the module is out of thermal control, heat generated by the battery cell can be quickly conducted to a liquid cooling plate outside the module, and the battery cell in other areas is prevented from being ignited by heat accumulation;
3. set up the PLASTIC LAMINATED in the module, the intensity of PLASTIC LAMINATED is less than upper cover plate and lower apron, when taking place the thermal runaway, the PLASTIC LAMINATED receives high temperature flue gas impact deformation, lets the high temperature flue gas blowout in the module, and on the PLASTIC LAMINATED of adjacent module was erupted to high temperature flue gas, the PLASTIC LAMINATED can effectively prevent high temperature flue gas direct impact adjacent module inside electric core to effectively prevent the emergence of thermal diffusivity between the module group in the battery package, improve the security of battery package.
Drawings
Fig. 1 is an exploded view of a pouch lithium battery module configuration that effectively blocks heat diffusion within the battery pack;
fig. 2 is a schematic diagram of a cell stack of a soft-package lithium battery module structure for effectively preventing heat diffusion in a battery pack;
FIG. 3 is a schematic diagram of the assembly of a busbar assembly of a soft-pack lithium battery module structure that effectively prevents heat diffusion within the battery pack;
fig. 4 is a schematic diagram of welding of a cell tab of a soft-package lithium battery module structure for effectively preventing heat diffusion in a battery pack;
FIG. 5 is a schematic view of the assembly of a fire-proof plate of a soft package lithium battery module structure for effectively preventing heat diffusion in a battery pack;
fig. 6 is a schematic diagram of a soft-package lithium battery module structure in which heat diffusion in a battery pack is effectively prevented, and heat-conducting structural adhesive is coated on an upper cover plate and a lower cover plate;
FIG. 7 is a schematic diagram of the welding of the upper cover plate and the lower cover plate with the left end plate and the right end plate of a soft-package lithium battery module structure for effectively preventing heat diffusion in a battery pack;
in the figure, 1-1 part of heat insulation plate, 1-2 parts of fire-proof plate, 1-3 parts of upper cover plate, 1-4 parts of lower cover plate, 1-5 parts of left end plate, 1-6 parts of right end plate, 1-8 parts of battery core, 1-9 parts of battery core unit, 1-10 parts of heat conduction structural adhesive, 2-1 parts of heat conduction structural adhesive, 3-1 parts of foam double-sided adhesive, 3-2 parts of busbar assembly, 3-3 parts of guide structure, 4-1 parts of battery core tab, 5-1 parts of busbar, 5-2 parts of foam double-sided adhesive, 6-1 parts of front and rear end faces, 6-2 parts of upper cover plate flanging, 7 parts of lower cover plate flanging and laser welding are carried out.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Example 1
As shown in figure 1, the soft package lithium battery module structure capable of effectively preventing heat diffusion in a battery pack comprises a module, wherein the internal space of the module is divided into a plurality of areas by a heat insulation plate 1-1, a fireproof plate 1-2, an upper cover plate 1-3, a lower cover plate 1-4, a left end plate 1-5 and a right end plate 1-6, a battery cell 1-8 is placed in each area, the battery cell 1-8 is formed by stacking battery cells 1-7 in series and parallel, heat conduction structural adhesive 1-9 is coated on the lower portion of the upper cover plate 1-3, heat conduction structural adhesive 1-10 is coated on the upper portion of the lower cover plate 1-4, the upper cover plate 1-3 and the lower cover plate 1-4 are fixedly adhered to the battery cells 1-7 through adhesive, and the module is fixed through the heat conduction structural adhesive 1-9, 1-10 enhance the structural strength of the module and achieve thermal conduction within the module.
For better effect, as shown in fig. 2, the thermal insulation board 1-1 is disposed between the cell units 1-8 to form regional thermal insulation, so that when one cell 1-7 of the cell unit 1-8 is out of control, the heat can be effectively slowed down or prevented from spreading to other regions, and deflagration caused by instant release of a large amount of stacked cell energy is avoided.
For better effect, as shown in fig. 5, the fireproof plates 1-2 are fixed in the modules, the strength of the fireproof plates 1-2 is lower than that of the upper cover plate 1-3 and the lower cover plate 1-4, when thermal runaway occurs, the fireproof plates are deformed by high-temperature smoke before the upper and lower cover plates are impacted by the high-temperature smoke, so that the high-temperature smoke in the modules is sprayed out, and the high-temperature smoke is sprayed onto the fireproof plates 1-2 of adjacent modules, so that the high-temperature smoke can be effectively prevented from directly impacting the battery cores 1-7 in the adjacent modules.
Specifically, the upper cover plate 1-3 and the lower cover plate 1-4 are made of metal, and the upper cover plate 1-3 and the lower cover plate 1-4 are respectively connected and fixed with the left end plate 1-5 and the right end plate 1-6 through laser welding, as shown in fig. 7.
According to the soft package lithium battery module structure for effectively preventing heat diffusion in the battery pack, the internal space of the module is partitioned into a plurality of areas by the heat insulation plate 1-1, the fireproof plate 1-2, the upper cover plate 1-3, the lower cover plate 1-4, the left end plate 1-5 and the right end plate 1-6, after one battery cell 1-7 is out of control due to heat, the heat can be effectively slowed down or prevented from spreading to other areas, and deflagration caused by instant release of a large amount of stacked battery cell energy is avoided; the battery cell is characterized in that heat-conducting structural adhesives 1-9 and 1-10 are adopted, the upper cover plate-13 and the lower cover plate 1-4 are respectively pasted and fixed with the battery cell 1-7 through gluing, the module is enhanced in structural strength and achieves heat conduction in the module through the heat-conducting structural adhesives 1-9 and 1-10, the upper cover plate 1-3 and the lower cover plate 1-4 are made of metal, and the combined structure of the metal plate and the heat-conducting structural adhesive enables heat generated by the battery cell 1-7 to be quickly conducted to a liquid cooling plate outside the module when the module is out of control due to heat, so that the battery cells 1-7 in other areas are prevented from being ignited due to heat accumulation; the module is internally provided with the fireproof plate 1-2, the strength of the fireproof plate 1-2 is lower than that of the upper cover plate 1-3 and the lower cover plate 1-4, when thermal runaway occurs, the fireproof plate 1-2 is impacted and deformed by high-temperature smoke gas, the high-temperature smoke gas in the module is sprayed out, the high-temperature smoke gas is sprayed onto the fireproof plate 1-2 of an adjacent module, and the fireproof plate 1-2 can effectively prevent the high-temperature smoke gas from directly impacting the battery cell 1-7 in the adjacent module; the soft package lithium battery module structure for effectively preventing heat diffusion in the battery pack can effectively prevent heat diffusion between modules in the battery pack and improve the safety of the battery pack.
Example 2
As shown in figure 1, the soft package lithium battery module structure capable of effectively preventing heat diffusion in a battery pack comprises a module, wherein the internal space of the module is divided into a plurality of areas by a heat insulation plate 1-1, a fireproof plate 1-2, an upper cover plate 1-3, a lower cover plate 1-4, a left end plate 1-5 and a right end plate 1-6, a battery cell 1-8 is placed in each area, the battery cell 1-8 is formed by stacking battery cells 1-7 in series and parallel, heat conduction structural adhesive 1-9 is coated on the lower portion of the upper cover plate 1-3, heat conduction structural adhesive 1-10 is coated on the upper portion of the lower cover plate 1-4, the upper cover plate 1-3 and the lower cover plate 1-4 are fixedly adhered to the battery cells 1-7 through adhesive, and the module is fixed through the heat conduction structural adhesive 1-9, 1-10 enhance the structural strength of the module and achieve thermal conduction within the module.
Specifically, as shown in fig. 2 to 7, the battery cells 1 to 7 are stacked according to the corresponding parallel and series requirements, and are adhered together by the foam double-sided adhesive tape 2 to 1 to form the battery cell units 1 to 6, a thermal insulation board 1 to 1 is placed between every two battery cell units 1 to 6, and an area thermal insulation is formed by the thermal insulation board 1 to 1, and the thermal insulation board 1 to 1 may be aerogel or phase-change heat-absorbing material.
Furthermore, the module also comprises a bus bar assembly 3-1, the bus bar assembly 3-1 is comb-shaped, a guide structure 3-2 is arranged at the end part of the comb teeth of the bus bar assembly 3-1, and the bus bar assembly 3-1 is inserted into the battery core lug 3-3 from top to bottom through the guide structure 3-2.
Further, the battery cell tabs 3-3 are bent and welded on the bus bars 4-1 of the bus bar assembly 3-1, so that series-parallel connection of the battery cells 1-7 is realized.
Furthermore, foam double-sided adhesive 5-1 is bonded on the inner side of the fireproof plate 1-2, the fireproof plate 1-2 is fixed on the front end face 5-2 and the rear end face 5-2 of the busbar assembly 3-1 through the foam double-sided adhesive 5-1, the fireproof plate 1-2 can be a mica plate or other fireproof materials, the strength of the fireproof plate 1-2 is lower than that of the upper cover plate 1-3 and the lower cover plate 1-4, when thermal runaway occurs, the fireproof plate is deformed by high-temperature smoke before the upper cover plate and the lower cover plate, high-temperature smoke in the module is sprayed out, the high-temperature smoke is sprayed onto the fireproof plate 1-2 of an adjacent module, and the high-temperature smoke can be effectively prevented from directly impacting the battery cores 1-7 in the adjacent module.
Furthermore, the upper cover plate 1-3 is bonded with the side edge of the battery cell 1-7 through heat-conducting structural adhesive 1-9, the lower cover plate 1-4 is bonded with the other side edge of the battery cell 1-7 through heat-conducting structural adhesive 1-10, so that heat conduction and fixation of the battery cell 1-7 are realized, the upper cover plate flanging 6-1 and the lower cover plate flanging 6-2 are respectively clamped into the fireproof plate 1-2, and the fireproof plate 1-2 is fixed in the module.
Furthermore, the upper cover plate 1-3 and the lower cover plate 1-4 are made of metal, and the upper cover plate 1-3 and the lower cover plate 1-4 are fixedly connected with the left end plate 1-5 and the right end plate 1-6 through laser welding 7.
According to the soft package lithium battery module structure for effectively preventing heat diffusion in the battery pack, the internal space of the module is partitioned into a plurality of areas by the heat insulation plate 1-1, the fireproof plate 1-2, the upper cover plate 1-3, the lower cover plate 1-4, the left end plate 1-5 and the right end plate 1-6, after one battery cell 1-7 is out of control due to heat, the heat can be effectively slowed down or prevented from spreading to other areas, and deflagration caused by instant release of a large amount of stacked battery cell energy is avoided; the battery cell is characterized in that heat-conducting structural adhesives 1-9 and 1-10 are adopted, the upper cover plate-13 and the lower cover plate 1-4 are respectively pasted and fixed with the battery cell 1-7 through gluing, the module is enhanced in structural strength and achieves heat conduction in the module through the heat-conducting structural adhesives 1-9 and 1-10, the upper cover plate 1-3 and the lower cover plate 1-4 are made of metal, and the combined structure of the metal plate and the heat-conducting structural adhesive enables heat generated by the battery cell 1-7 to be quickly conducted to a liquid cooling plate outside the module when the module is out of control due to heat, so that the battery cells 1-7 in other areas are prevented from being ignited due to heat accumulation; the module is internally provided with the fireproof plate 1-2, the strength of the fireproof plate 1-2 is lower than that of the upper cover plate 1-3 and the lower cover plate 1-4, when thermal runaway occurs, the fireproof plate 1-2 is impacted and deformed by high-temperature smoke gas, the high-temperature smoke gas in the module is sprayed out, the high-temperature smoke gas is sprayed onto the fireproof plate 1-2 of an adjacent module, and the fireproof plate 1-2 can effectively prevent the high-temperature smoke gas from directly impacting the battery cell 1-7 in the adjacent module; the soft package lithium battery module structure for effectively preventing heat diffusion in the battery pack can effectively prevent heat diffusion between modules in the battery pack and improve the safety of the battery pack.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides an effectively prevent soft packet of lithium cell module structure of heat diffusion in battery package, includes the module, its characterized in that: the inner space of module is cut off by heat insulating board, PLASTIC LAMINATED, upper cover plate, lower apron, left end board and right-hand member board and is a plurality of regions, places an electric core unit in every region, electric core unit is piled up by electric core series-parallel connection and is constituteed, the lower part of upper cover plate is scribbled and is equipped with heat conduction structure and glues, the upper portion of apron is scribbled down and is equipped with heat conduction structure and glue, the upper cover plate with the apron is fixed through rubber coating and electric core pasting down, and the module is glued through heat conduction structure and is strengthened module structural strength and realize the interior heat conduction of module.
2. The soft-package lithium battery module structure capable of effectively preventing heat diffusion in the battery pack according to claim 1, characterized in that: the heat insulation plate is arranged between the cell units to form regional heat insulation.
3. The soft-package lithium battery module structure capable of effectively preventing heat diffusion in the battery pack according to claim 2, characterized in that: the heat insulation board is made of aerogel or phase change heat absorption materials.
4. The soft-package lithium battery module structure capable of effectively preventing heat diffusion in the battery pack according to claim 1, characterized in that: the fire-proof plate is fixed in the module, and the strength of the fire-proof plate is lower than that of the upper cover plate and the lower cover plate.
5. The soft-package lithium battery module structure capable of effectively preventing heat diffusion in the battery pack according to claim 4, wherein: the inboard bonding of PLASTIC LAMINATED has the cotton double faced adhesive tape of bubble, and the module still includes the busbar subassembly, the PLASTIC LAMINATED passes through the cotton double faced adhesive tape of bubble to be fixed at the preceding rear end face of busbar subassembly.
6. The soft-package lithium battery module structure capable of effectively preventing heat diffusion in the battery pack according to claim 4, wherein: the fireproof plate is characterized in that upper cover plate flanges are arranged in the front and the back of the upper cover plate, lower cover plate flanges are arranged in the front and the back of the lower cover plate, and the fireproof plate is clamped between the upper cover plate flanges and the lower cover plate flanges.
7. The soft-package lithium battery module structure capable of effectively preventing heat diffusion in the battery pack according to claim 5, wherein: the structural shape of busbar subassembly is the comb shape, the broach tip of busbar subassembly is equipped with guide structure, the battery core utmost point ear is inserted through guide structure top-down to the busbar subassembly, and the welding of buckling of battery core utmost point ear is in on the busbar of busbar subassembly, realize the series-parallel connection of battery core.
8. The soft-package lithium battery module structure capable of effectively preventing heat diffusion in the battery pack according to claim 1, characterized in that: and foam double-faced adhesive tapes are bonded between the electric cores.
9. The soft-package lithium battery module structure capable of effectively preventing heat diffusion in the battery pack according to claim 1, characterized in that: the upper cover plate and the lower cover plate are made of metal and are fixedly connected with the left end plate and the right end plate through laser welding respectively.
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CN202111029447.8A CN113889690A (en) | 2021-09-01 | 2021-09-01 | Soft packet of lithium battery module structure of effectively preventing heat diffusion in battery package |
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CN202111029447.8A CN113889690A (en) | 2021-09-01 | 2021-09-01 | Soft packet of lithium battery module structure of effectively preventing heat diffusion in battery package |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114709462A (en) * | 2022-04-11 | 2022-07-05 | 江苏正力新能电池技术有限公司 | Battery module |
CN114784429A (en) * | 2022-03-18 | 2022-07-22 | 多氟多新能源科技有限公司 | Battery module and battery pack |
EP4246666A1 (en) * | 2022-03-14 | 2023-09-20 | SK On Co., Ltd. | Battery module and battery pack including the same |
-
2021
- 2021-09-01 CN CN202111029447.8A patent/CN113889690A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4246666A1 (en) * | 2022-03-14 | 2023-09-20 | SK On Co., Ltd. | Battery module and battery pack including the same |
CN114784429A (en) * | 2022-03-18 | 2022-07-22 | 多氟多新能源科技有限公司 | Battery module and battery pack |
CN114709462A (en) * | 2022-04-11 | 2022-07-05 | 江苏正力新能电池技术有限公司 | Battery module |
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