CN213936437U - Single battery module with high security - Google Patents
Single battery module with high security Download PDFInfo
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- CN213936437U CN213936437U CN202121446787.6U CN202121446787U CN213936437U CN 213936437 U CN213936437 U CN 213936437U CN 202121446787 U CN202121446787 U CN 202121446787U CN 213936437 U CN213936437 U CN 213936437U
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- battery
- soft package
- upper cover
- bus bar
- heating
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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 single battery module with high safety, the top sealing edge of a soft package battery is wound and wrapped by high-temperature adhesive paper, the lead wire of a temperature sensor is welded into a corresponding mounting terminal in an upper cover of the battery, a heating bus wire is welded into a corresponding mounting terminal in the upper cover of the battery, a positive electrode lug bus bar and a negative electrode lug bus bar are arranged in the upper cover of the battery, and fastening the positive pole lug busbar and the negative pole lug busbar by using a pole lug busbar fastening nut, respectively fixing a positive pole leading-out pole lug and a negative pole leading-out pole lug on the corresponding positive pole lug busbar and negative pole lug busbar by using a pole lug compression screw, then connecting a lead of a heating sheet in parallel to the heating bus line, sticking a temperature sensor into a top sealing edge of the soft package battery, putting the assembled soft package battery pack into a battery lower shell, integrally putting the soft package battery pack into a curing tool and curing the soft package battery pack. The utility model discloses high temperature resistant design, heat-proof quality are good and one-way exhaust, use safe and reliable.
Description
Technical Field
The utility model relates to a lithium ion battery cell field especially involves a battery cell module with high security.
Background
The existing soft package lithium ion single battery module is generally a simple parallel combination of single battery cells, and the safety level of the existing soft package lithium ion single battery module used on land can meet basic requirements; but the safety level of the lithium ion battery applied to the aviation and even aerospace fields is obviously insufficient. Therefore, how to improve the safety level of the single battery module aiming at different use scenes is a technical problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a rational in infrastructure, safety protection is good have high security's battery cell module.
The technical scheme of the utility model be, a battery cell module with high security, it includes: laminate polymer battery, battery inferior valve, battery upper cover, utmost point ear busbar fastening nut, utmost point ear crimping screw, high temperature adhesive tape, heating plate, temperature sensor, heating bus line, its characterized in that: the high-temperature adhesive paper is used for winding and wrapping the top sealing edge of the soft package battery, the heating sheet is adhered to the outer surface of the soft package battery, mica sheets A are respectively adhered to two large surfaces of the outer surface of the soft package battery adhered with the heating sheet, leads of the temperature sensors are welded into corresponding temperature sensor mounting line leading-out terminals in a battery upper cover, heating bus lines are welded into corresponding heating line mounting terminals in the battery upper cover, a positive electrode tab bus bar and a negative electrode tab bus bar are mounted in the battery upper cover and are fastened by a tab bus bar fastening nut, a positive electrode leading-out tab and a negative electrode leading-out tab are respectively fixed onto the corresponding positive electrode tab bus bar and negative electrode tab bus bar by a tab compression screw, then the leads of the heating sheet are connected in parallel into the heating bus lines, and the temperature sensors are adhered into the top sealing edge of the soft package battery, and (3) respectively sticking corresponding mica sheets B and mica sheets C on the large surface and the bottom surface of the soft package battery pack which is completed in parallel connection, injecting the foam gap filler into the battery lower shell, putting the assembled soft package battery pack into the battery lower shell, and integrally putting the soft package battery pack into a curing tool for curing.
The battery lower case is made of stainless steel, but not limited to stainless steel.
The battery upper cover is made of ceramic, but not limited to ceramic.
Preferably, the battery upper cover is provided with an exhaust hole; a one-way valve is arranged in the exhaust hole.
And the tab busbar is provided with a leading-out pole.
The mica sheet is a non-combustible fireproof ceramic mica tape.
The mica sheets have 3 specifications, wherein the mica sheet A is used for being pasted to the surface of the soft package battery, the mica sheet B is used for being pasted to the large surface of the soft package battery after combination, and the mica sheet C is used for being pasted to the bottom surface of the soft package battery after combination.
The foam joint mixture is flame-retardant foam joint mixture.
The beneficial effects of the utility model reside in that:
1. the high-temperature resistant design is adopted, and materials such as the upper battery cover, the lower battery shell and the heating sheet are made of high-temperature resistant materials, so that the probability of thermal runaway of the lithium ion single battery module is reduced; 2. the isolation design is adopted, each single battery is independently protected by a high-temperature resistant mica sheet, and the probability of mutual heat transfer during thermal runaway is reduced; 3. the unidirectional exhaust design is adopted, so that when thermal runaway occurs, heat is rapidly exhausted from the unidirectional valve, and external oxygen is prevented from entering, so that the possibility of thermal runaway expansion is reduced; 4, the universality is strong, and the charging and discharging current of the storage battery pack and the bipolar current value of various devices can be processed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic side view of the present invention.
1. A pouch cell; 2. a battery lower case; 3. an upper cover of the battery; 4. a tab busbar fastening nut; 5. a tab crimping screw; 6. high-temperature gummed paper; 7. a heating plate; 8. a temperature sensor; 9. heating the bus bar; 10. a foam caulking agent; 11. leading out a tab from the positive electrode; 12. leading out a tab from the negative electrode; 14. an exhaust hole; 15. a one-way valve; 16. a heater wire mounting terminal; 17. a temperature sensor mounting wire lead-out terminal; 18. a positive electrode tab busbar; 19. a negative electrode tab busbar; 20. leading out an electrode post; 21. a lug bus bar threaded hole; 22. mica sheets A; 23. mica sheets B; 24. mica sheet C.
Detailed Description
Describing the embodiment by combining the attached drawings, firstly, the top edge of the soft package battery 1 is wrapped by the high-temperature adhesive paper 6 in an insulating manner, then the heating sheet 7 is pasted on the surface of the soft package battery 1, then, one mica sheet A22 is pasted on each of the two large surfaces of the soft package battery 1 after the heating sheet 7 is pasted, then, the lead of the temperature sensor 8 is welded into the corresponding temperature sensor mounting line leading-out terminal 17 in the battery upper cover 3, then, the heating bus 9 is welded into the corresponding heating line mounting terminal 16 in the battery upper cover 3, then, the positive electrode tab bus bar 18 and the negative electrode tab bus bar 19 are mounted in the battery upper cover 3, the positive electrode tab bus bar 18 and the negative electrode tab bus bar 19 are fastened by the tab bus bar fastening nut 4 in a compression manner, and then, the positive electrode leading-out tab 11 and the negative electrode leading-out tab 12 are divided into two parts by the tab screw 5 Fixing the battery pack to a corresponding positive electrode tab busbar 18 and a corresponding negative electrode tab busbar 19, connecting leads of the heating plate 7 in parallel to the heating busbar 9, then adhering the temperature sensor 8 to the top sealing edge of the soft-package battery 1, then adhering a corresponding mica sheet B23 and a corresponding mica sheet C24 to the large surface and the bottom surface of the soft-package battery pack which are connected in parallel, injecting the foam gap filler 10 into the battery lower shell 2, then placing the assembled soft-package battery pack into the battery lower shell 2 and integrally placing the assembled soft-package battery pack into a curing tool for curing, taking out the assembled single battery module after four hours and cleaning the surface, and completing the assembly of the single battery module;
the material of the battery lower shell is stainless steel, but not limited to stainless steel, and the battery lower shell can also be made of other metal materials with the melting point higher than 600 ℃.
The battery upper cover is made of ceramic, but not limited to ceramic, and can also be made of other types of high-temperature-resistant insulating materials.
Preferably, the battery upper cover is provided with an exhaust hole 14; a one-way valve 15 is arranged in the exhaust hole.
The tab bus bar is provided with a leading-out pole 20.
The mica sheet is a non-combustible fireproof ceramic mica tape; the mica sheets have 3 specifications, wherein the mica sheet A is used for being pasted to the surface of the soft package battery, the mica sheet B is used for being pasted to the large surface of the soft package battery after combination, and the mica sheet C is used for being pasted to the bottom surface of the soft package battery after combination.
The foam caulking agent 10 is a flame retardant foam caulking agent.
The present invention is not limited to the above embodiments, and any other products in various forms can be obtained by anyone who can obtain the present invention, but any changes in the shape or structure of the product, and all the solutions that are the same or similar to the present invention, all fall within the protection scope of the present invention.
Claims (7)
1. A unit cell module having high safety, comprising: laminate polymer battery, battery inferior valve, battery upper cover, utmost point ear busbar fastening nut, utmost point ear crimping screw, high temperature adhesive tape, heating plate, temperature sensor, heating bus line, its characterized in that: the high-temperature adhesive paper is used for winding and wrapping the top sealing edge of the soft package battery, the heating sheet is adhered to the outer surface of the soft package battery, mica sheets A are respectively adhered to two large surfaces of the outer surface of the soft package battery adhered with the heating sheet, leads of the temperature sensors are welded into corresponding temperature sensor mounting line leading-out terminals in a battery upper cover, heating bus lines are welded into corresponding heating line mounting terminals in the battery upper cover, a positive electrode tab bus bar and a negative electrode tab bus bar are mounted in the battery upper cover, the positive electrode tab bus bar and the negative electrode tab bus bar are fastened by tab bus bar fastening nuts, a positive electrode leading-out tab and a negative electrode leading-out tab are respectively fixed onto the corresponding positive electrode tab bus bar and negative electrode tab bus bar by tab compression screws, then the leads of the heating sheet are connected in parallel to the heating bus lines, and the temperature sensors are adhered to the top sealing edge of the soft package battery, and (3) respectively sticking corresponding mica sheets B and C on the large surface and the bottom surface of the soft package battery pack which is completed in parallel connection, injecting a foam gap filler into the battery lower shell, putting the assembled soft package battery pack into the battery lower shell, and integrally putting the soft package battery pack into a curing tool for curing.
2. The battery cell module according to claim 1, wherein: the battery lower shell is made of stainless steel.
3. The battery cell module according to claim 1, wherein: the battery upper cover is made of ceramic.
4. The battery cell module according to claim 1, wherein: an air vent is designed on the upper cover of the battery; a one-way valve is arranged in the exhaust hole.
5. The battery cell module according to claim 1, wherein: and the tab busbar is provided with a leading-out pole.
6. The battery cell module according to claim 1, wherein: the mica sheets A, B and C are non-combustible fireproof ceramic mica tapes.
7. The battery cell module according to claim 1, wherein: the foam joint mixture is flame-retardant foam joint mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121446787.6U CN213936437U (en) | 2021-06-29 | 2021-06-29 | Single battery module with high security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121446787.6U CN213936437U (en) | 2021-06-29 | 2021-06-29 | Single battery module with high security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213936437U true CN213936437U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121446787.6U Active CN213936437U (en) | 2021-06-29 | 2021-06-29 | Single battery module with high security |
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| CN (1) | CN213936437U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335913A (en) * | 2021-12-29 | 2022-04-12 | 贵州梅岭电源有限公司 | Parallel and series connection structure of high-power soft package battery |
| CN117954798A (en) * | 2024-03-26 | 2024-04-30 | 嘉兴模度新能源有限公司 | Detachable electric connection structure of cylindrical battery |
-
2021
- 2021-06-29 CN CN202121446787.6U patent/CN213936437U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114335913A (en) * | 2021-12-29 | 2022-04-12 | 贵州梅岭电源有限公司 | Parallel and series connection structure of high-power soft package battery |
| CN117954798A (en) * | 2024-03-26 | 2024-04-30 | 嘉兴模度新能源有限公司 | Detachable electric connection structure of cylindrical battery |
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