CN216054975U - Thermal runaway separation structure, battery module and laminate polymer battery - Google Patents
Thermal runaway separation structure, battery module and laminate polymer battery Download PDFInfo
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- CN216054975U CN216054975U CN202121894724.7U CN202121894724U CN216054975U CN 216054975 U CN216054975 U CN 216054975U CN 202121894724 U CN202121894724 U CN 202121894724U CN 216054975 U CN216054975 U CN 216054975U
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- thermal runaway
- heat
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- battery module
- heating panel
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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 utility model discloses a thermal runaway blocking structure, a battery module and a soft package battery, and relates to the technical field of power batteries. This thermal runaway separation structure sets up in laminate polymer battery, and the encapsulation has a plurality of monomer electricity cores in the laminate polymer battery, and thermal runaway separation structure includes heating panel and heat insulating part, and the heating panel sets up between two adjacent monomer electricity cores, and the both sides of every heating panel all are equipped with heat insulating part, and heating panel, heat insulating part and monomer electricity core laminate in proper order and set up. The utility model can play a role in thermal separation on two adjacent monomer battery cores, slow down heat transfer, improve safety, and simultaneously can effectively dissipate heat of the monomer battery cores, reduce heat accumulation and ensure the service performance of the monomer battery cores.
Description
Technical Field
The utility model relates to the technical field of power batteries, in particular to a thermal runaway blocking structure, a battery module and a soft package battery.
Background
A plurality of battery modules are packaged in the lithium-ion battery pack, a plurality of monomer electric cores are arranged in each battery module, and the plurality of monomer electric cores are arranged in rows to form a large-capacity battery. In the use, soft packet of lithium cell can produce a large amount of heats at the in-process of charge-discharge, forces the temperature of inside monomer electricity core to rise, and too high temperature can lead to certain monomer electricity core to be on fire, and certain electricity core is on fire and can arouse the intensity of a fire to stretch for the monomer electricity core in whole soft packet of lithium cell catches fire fast and explodes even, seriously threatens user's personal safety and property safety.
Accordingly, a thermal runaway barrier structure, a battery module and a pouch battery are needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a thermal runaway blocking structure, a battery module and a soft package battery, which can play a thermal blocking role on two adjacent monomer battery cores, slow down heat transfer, improve safety, effectively dissipate heat of the monomer battery cores, reduce heat accumulation and ensure the service performance of the monomer battery cores.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a thermal runaway blocking structure which is arranged in a battery module, a plurality of single battery cells are packaged in the battery module, the thermal runaway blocking structure comprises a heat dissipation plate and heat insulation pieces, the heat dissipation plate is arranged between two adjacent single battery cells, the heat insulation pieces are arranged on two sides of each heat dissipation plate, and the heat dissipation plate, the heat insulation pieces and the single battery cells are sequentially attached.
As an optimal technical scheme of the thermal runaway separation structure, the heat dissipation plate is an I-shaped plate, mounting grooves are formed in the two sides of the I-shaped plate, and the heat insulation piece and the monomer battery cell are abutted to each other and arranged in the mounting grooves.
As a preferable technical scheme of the thermal runaway blocking structure, the heat dissipation plate is an aluminum plate.
As a preferable technical solution of the thermal runaway blocking structure, the thermal runaway blocking structure further includes a heat conducting member, and the heat conducting member is disposed at the bottom of the heat dissipation plate.
As a preferable technical solution of the thermal runaway blocking structure, the heat conducting member is made of a flexible heat conducting material.
As a preferable technical solution of the thermal runaway blocking structure, the heat conducting member is a heat conducting pad or a heat conducting glue.
As an optimal technical scheme of the thermal runaway barrier structure, the thermal runaway barrier structure further comprises a liquid cooling plate, and the liquid cooling plate is arranged at the bottom of the heat conducting piece.
As an optimal technical scheme of the thermal runaway blocking structure, a liquid cooling cavity, a cooling liquid inlet and a cooling liquid outlet which are connected with the liquid cooling cavity are arranged in the liquid cooling plate.
The utility model also provides a battery module, wherein a plurality of single battery cells are packaged in the battery module, the battery module further comprises the thermal runaway blocking structure, the heat dissipation plate is arranged between two adjacent single battery cells, and the heat dissipation plate, the heat insulation piece and the single battery cells are sequentially attached.
The utility model further provides a soft package battery, which comprises a shell, the battery module is arranged in the shell, and the battery modules are packaged in the shell.
The utility model has the beneficial effects that:
the utility model provides a thermal runaway blocking structure, a battery module and a soft package battery. According to this setting, this thermal runaway separation structure can play the thermal separation effect to two adjacent monomer electricity cores, slows down heat transfer, avoids certain monomer electricity core thermal runaway to catch fire and arouses the intensity of a fire to stretch, improves the security, can also effectively distribute away the heat of monomer electricity core simultaneously, reduces the heat and piles up, ensures the performance of monomer electricity core.
Drawings
Fig. 1 is a schematic overall structure diagram of a thermal runaway barrier structure (including a single cell) provided by an embodiment of the utility model;
fig. 2 is a schematic view of a split structure of a thermal runaway barrier structure (including a single cell) provided in an embodiment of the present invention.
In the figure:
100. a single cell;
1. a heat dissipation plate; 11. installing a groove; 2. a thermal insulation member; 3. a heat conductive member; 4. and (4) liquid cooling the plate.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-2, an embodiment of the present invention discloses a thermal runaway blocking structure, which is disposed in a battery module, and a plurality of battery cells 100 are encapsulated in the battery module. This thermal runaway separation structure includes heating panel 1 and heat-insulating part 2, and heating panel 1 sets up between two adjacent monomer electric cores 100, and every heating panel 1's both sides all are equipped with heat-insulating part 2, and heating panel 1, heat-insulating part 2 and monomer electric core 100 laminate in proper order and set up.
According to this setting, this thermal runaway separation structure can play the thermal separation effect to two adjacent monomer electricity cores 100, slows down heat transfer, avoids certain monomer electricity core 100 thermal runaway to catch a fire and arouses the intensity of a fire to stretch, improves the security, can also effectively distribute away the heat of monomer electricity core 100 simultaneously, reduces the heat and piles up, ensures monomer electricity core 100's performance.
Optionally, the heat dissipation plate 1 is an i-shaped plate, mounting grooves 11 are formed on two sides of the i-shaped plate, and the heat insulation member 2 and the cell 100 are arranged in the mounting grooves 11 in an abutting manner. According to the arrangement, the I-shaped plate increases the heat dissipation area and improves the heat dissipation efficiency on the one hand, and on the other hand, the installation direction does not need to be identified during installation, the installation direction is avoided, the assembly time is shortened, the assembly efficiency is improved, and the assembly is convenient. The heat sink 1 is illustratively an aluminum plate, which is lightweight and has good heat dissipation. Of course, in other embodiments, the shape and material of the heat dissipation plate 1 may be set as needed, and is not limited to this embodiment.
The heat insulating part 2 is used for slowing down the heat transfer of the monomer battery core 100 to slow down the speed of heat transfer to the heating panel 1 when the thermal runaway occurs in the monomer battery core 100, and then slow down the speed of heat transfer from the heating panel 1 to another monomer battery core 100 without thermal runaway, and improve the use safety of the soft package battery. Optionally, the heat insulation member 2 may be made of rubber or other materials capable of insulating heat, and the embodiment is not particularly limited.
Further, this thermal runaway separation structure still includes heat-conducting piece 3, and heat-conducting piece 3 sets up in the bottom of heating panel 1 to go out the heat of heating panel 1 fast transmission, thereby reduce monomer electricity core 100's temperature. Optionally, the heat conducting member 3 is made of a flexible heat conducting material, so as to conduct heat and also perform an elastic shock absorption effect on the single battery core 100, and the heat conducting member is integrated and dual-purpose and has good applicability. This embodiment has improved the radiating efficiency through the compound mode of aluminium material's heating panel 1 and flexible heat conduction material. Specifically, the heat-conducting member 3 is a heat-conducting pad or a heat-conducting paste.
For further reducing the temperature of monomer electricity core 100, this thermal runaway separation structure still includes liquid cooling board 4, and liquid cooling board 4 sets up in the bottom of heat conduction piece 3 to cool off heat conduction piece 3, thereby reach the purpose to monomer electricity core 100 cooling, reduce the risk of monomer electricity core 100 thermal runaway.
Specifically, a liquid cooling cavity, a cooling liquid inlet and a cooling liquid outlet which are connected with the liquid cooling cavity are arranged in the liquid cooling plate 4. According to this setting, the coolant liquid flows into the liquid cooling chamber from the coolant liquid import and to monomer electricity core 100 cooling back, flows out from the coolant liquid export again to this plays the effect of circulation liquid cooling, reinforcing liquid cooling effect.
This embodiment still discloses a battery module, it has a plurality of monomer electricity core 100 to be packaged with in it, this battery module still includes as before thermal runaway separation structure, heating panel 1 sets up between two adjacent monomer electricity cores 100, and heating panel 1, heat-insulating part 2 and monomer electricity core 100 laminate in proper order and set up to this carries out thermal separation to monomer electricity core 100, slows down heat transfer, reduces the risk that monomer electricity core 100 thermal runaway catches fire, improves battery module's security.
This embodiment still discloses a laminate polymer battery, including the casing, this laminate polymer battery still includes as before the battery module, it has a plurality of battery modules to be packaged with in the casing, this laminate polymer battery, good heat dissipation can play the thermal barrier effect to inside monomer electric core 100, slows down heat transfer, reduces the risk that monomer electric core 100 thermal runaway catches fire, improves the security that laminate polymer battery used.
In summary, the utility model provides a thermal runaway blocking structure, a battery module and a soft package battery, wherein a heat dissipation plate 1 is arranged between two adjacent single battery cells 100, heat insulation pieces 2 are arranged on two sides of each heat dissipation plate 1, and the heat dissipation plate 1, the heat insulation pieces 2 and the single battery cells 100 are sequentially attached to each other. According to this setting, this thermal runaway separation structure can play the thermal separation effect to two adjacent monomer electricity cores 100, slows down heat transfer, avoids certain monomer electricity core 100 thermal runaway to catch a fire and arouses the intensity of a fire to stretch, improves the security, can also effectively distribute away the heat of monomer electricity core 100 simultaneously, reduces the heat and piles up, ensures monomer electricity core 100's performance.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a thermal runaway separation structure, its sets up in the battery module, a plurality of monomer electricity core (100) are packaged in the battery module, a serial communication port, thermal runaway separation structure includes heating panel (1) and heat insulating part (2), heating panel (1) set up in adjacent two between monomer electricity core (100), and every the both sides of heating panel (1) all are equipped with heat insulating part (2), heating panel (1) heat insulating part (2) with monomer electricity core (100) laminate the setting in proper order.
2. The thermal runaway barrier structure of claim 1, wherein the heat dissipation plate (1) is an I-shaped plate, mounting grooves (11) are formed in two sides of the I-shaped plate, and the heat insulation member (2) and the single battery cell (100) are arranged in the mounting grooves (11) in an abutting mode.
3. The thermal runaway barrier construction according to claim 2, characterised in that the heat distribution plate (1) is an aluminium plate.
4. The thermal runaway barrier structure of claim 2, further comprising a heat conducting member (3), wherein the heat conducting member (3) is disposed at the bottom of the heat dissipation plate (1).
5. The thermal runaway barrier construction according to claim 4, characterised in that the heat conducting member (3) is made of a flexible heat conducting material.
6. The thermal runaway barrier construction according to claim 5, characterised in that the heat conducting member (3) is a heat conducting mat or glue.
7. The thermal runaway barrier according to any one of claims 4-6, characterised in that the thermal runaway barrier further comprises a liquid-cooled plate (4), the liquid-cooled plate (4) being arranged at the bottom of the heat-conducting member (3).
8. The thermal runaway barrier construction according to claim 7, characterised in that a liquid cooling chamber and a cooling liquid inlet and a cooling liquid outlet connected to the liquid cooling chamber are provided in the liquid cooling plate (4).
9. A battery module, which is packaged with a plurality of battery cells (100), wherein the battery module further comprises the thermal runaway blocking structure of any one of claims 1 to 8, the heat dissipation plate (1) is disposed between two adjacent battery cells (100), and the heat dissipation plate (1), the heat insulation member (2) and the battery cells (100) are sequentially attached to each other.
10. A laminate polymer battery, including the casing, characterized in that, laminate polymer battery still includes the battery module of claim 9, a plurality of the battery module is packaged to have in the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121894724.7U CN216054975U (en) | 2021-08-13 | 2021-08-13 | Thermal runaway separation structure, battery module and laminate polymer battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121894724.7U CN216054975U (en) | 2021-08-13 | 2021-08-13 | Thermal runaway separation structure, battery module and laminate polymer battery |
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| CN216054975U true CN216054975U (en) | 2022-03-15 |
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| CN202121894724.7U Active CN216054975U (en) | 2021-08-13 | 2021-08-13 | Thermal runaway separation structure, battery module and laminate polymer battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863497A (en) * | 2021-08-30 | 2021-12-31 | 中国化学工程重型机械化有限公司 | Special-shaped large-volume steel structure based on heating system |
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2021
- 2021-08-13 CN CN202121894724.7U patent/CN216054975U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863497A (en) * | 2021-08-30 | 2021-12-31 | 中国化学工程重型机械化有限公司 | Special-shaped large-volume steel structure based on heating system |
| CN113863497B (en) * | 2021-08-30 | 2022-12-16 | 中国化学工程重型机械化有限公司 | Special-shaped large-volume steel structure based on heating system |
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