CN112385072A - 二次电池 - Google Patents
二次电池 Download PDFInfo
- Publication number
- CN112385072A CN112385072A CN201980046222.8A CN201980046222A CN112385072A CN 112385072 A CN112385072 A CN 112385072A CN 201980046222 A CN201980046222 A CN 201980046222A CN 112385072 A CN112385072 A CN 112385072A
- Authority
- CN
- China
- Prior art keywords
- cut
- secondary battery
- curved
- safety vent
- fracture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007423 decrease Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 description 5
- 238000013022 venting Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding 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
- 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
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
- H01M50/56—Cup shaped terminals
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0149369 | 2018-11-28 | ||
KR1020180149369A KR102517397B1 (ko) | 2018-11-28 | 2018-11-28 | 이차전지 |
PCT/KR2019/015396 WO2020111591A1 (ko) | 2018-11-28 | 2019-11-13 | 이차전지 |
Publications (3)
Publication Number | Publication Date |
---|---|
CN112385072A true CN112385072A (zh) | 2021-02-19 |
CN112385072B CN112385072B (zh) | 2023-02-10 |
CN112385072B8 CN112385072B8 (zh) | 2023-03-31 |
Family
ID=70854087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201980046222.8A Active CN112385072B8 (zh) | 2018-11-28 | 2019-11-13 | 二次电池 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11749866B2 (zh) |
EP (1) | EP3800697A4 (zh) |
JP (1) | JP7102673B2 (zh) |
KR (1) | KR102517397B1 (zh) |
CN (1) | CN112385072B8 (zh) |
WO (1) | WO2020111591A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023176499A1 (ja) * | 2022-03-18 | 2023-09-21 | 株式会社村田製作所 | 電池の安全機構および電池 |
KR20240070939A (ko) * | 2022-11-15 | 2024-05-22 | 주식회사 엘지에너지솔루션 | 양방향 벤팅장치 및 이를 포함하는 이차전지 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06215746A (ja) * | 1993-01-18 | 1994-08-05 | Matsushita Electric Ind Co Ltd | 防爆安全装置および防爆安全装置を備えた電池 |
JPH08339793A (ja) * | 1995-04-11 | 1996-12-24 | Mitsubishi Cable Ind Ltd | 密閉電池の安全装置 |
US6346344B1 (en) * | 1998-07-28 | 2002-02-12 | Samsung Sdi Co., Ltd. | Circuit breaker for secondary battery |
CA2572931A1 (en) * | 2006-12-21 | 2008-06-21 | Donald P. H. Wu | Safety structure for a plastic battery case |
US20080171260A1 (en) * | 2007-01-15 | 2008-07-17 | Samsung Sdi Co., Ltd. | Cap assembly and secondary battery having the same |
JP2009231207A (ja) * | 2008-03-25 | 2009-10-08 | Sanyo Electric Co Ltd | 円筒形電池 |
US20100159310A1 (en) * | 2008-12-23 | 2010-06-24 | Dae-Kyu Kim | Cap assembly and secondary battery having the same |
CN102473883A (zh) * | 2009-08-14 | 2012-05-23 | 株式会社Lg化学 | 具有改善的安全性的圆筒形二次电池 |
CN103155225A (zh) * | 2010-10-15 | 2013-06-12 | 株式会社Lg化学 | 新型结构的帽组件与利用该帽组件的圆筒形电池 |
CN106992271A (zh) * | 2016-01-20 | 2017-07-28 | 三星Sdi株式会社 | 用于二次电池的盖组件及包括其的二次电池 |
WO2018030836A1 (en) * | 2016-08-11 | 2018-02-15 | Shin Heung Energy & Electronic Co.,Ltd. | Cap assembly for secondary battery and secondary battery including the cap assembly |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001102038A (ja) | 1999-10-01 | 2001-04-13 | Toyo Kohan Co Ltd | 密閉型電池の安全装置及び同装置におけるリード取付板 |
KR100578805B1 (ko) | 2004-03-24 | 2006-05-11 | 삼성에스디아이 주식회사 | 캡 조립체와 이를 구비한 이차 전지 |
US8993138B2 (en) | 2008-10-02 | 2015-03-31 | Samsung Sdi Co., Ltd. | Rechargeable battery |
KR100966549B1 (ko) | 2008-10-14 | 2010-06-29 | 주식회사 엘지화학 | 안전성이 향상된 캡 어셈블리 및 이를 포함하고 있는 원통형 이차전지 |
US8597809B2 (en) | 2010-02-18 | 2013-12-03 | Samsung Sdi Co., Ltd. | Rechargeable battery |
JP5728349B2 (ja) | 2011-09-21 | 2015-06-03 | 日本発條株式会社 | 車両用シート |
KR101667966B1 (ko) * | 2013-09-27 | 2016-10-20 | 주식회사 엘지화학 | 캡 조립체 및 이를 포함하는 이차 전지 |
KR102586877B1 (ko) | 2016-04-11 | 2023-10-10 | 삼성에스디아이 주식회사 | 이차 전지 |
KR102155706B1 (ko) | 2016-05-02 | 2020-09-14 | 주식회사 엘지화학 | 이차전지용 캡 조립체 |
-
2018
- 2018-11-28 KR KR1020180149369A patent/KR102517397B1/ko active IP Right Grant
-
2019
- 2019-11-13 US US17/259,395 patent/US11749866B2/en active Active
- 2019-11-13 CN CN201980046222.8A patent/CN112385072B8/zh active Active
- 2019-11-13 WO PCT/KR2019/015396 patent/WO2020111591A1/ko unknown
- 2019-11-13 EP EP19889598.9A patent/EP3800697A4/en active Pending
- 2019-11-13 JP JP2021500123A patent/JP7102673B2/ja active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06215746A (ja) * | 1993-01-18 | 1994-08-05 | Matsushita Electric Ind Co Ltd | 防爆安全装置および防爆安全装置を備えた電池 |
JPH08339793A (ja) * | 1995-04-11 | 1996-12-24 | Mitsubishi Cable Ind Ltd | 密閉電池の安全装置 |
US6346344B1 (en) * | 1998-07-28 | 2002-02-12 | Samsung Sdi Co., Ltd. | Circuit breaker for secondary battery |
CA2572931A1 (en) * | 2006-12-21 | 2008-06-21 | Donald P. H. Wu | Safety structure for a plastic battery case |
US20080171260A1 (en) * | 2007-01-15 | 2008-07-17 | Samsung Sdi Co., Ltd. | Cap assembly and secondary battery having the same |
JP2009231207A (ja) * | 2008-03-25 | 2009-10-08 | Sanyo Electric Co Ltd | 円筒形電池 |
US20100159310A1 (en) * | 2008-12-23 | 2010-06-24 | Dae-Kyu Kim | Cap assembly and secondary battery having the same |
CN102473883A (zh) * | 2009-08-14 | 2012-05-23 | 株式会社Lg化学 | 具有改善的安全性的圆筒形二次电池 |
CN103155225A (zh) * | 2010-10-15 | 2013-06-12 | 株式会社Lg化学 | 新型结构的帽组件与利用该帽组件的圆筒形电池 |
CN106992271A (zh) * | 2016-01-20 | 2017-07-28 | 三星Sdi株式会社 | 用于二次电池的盖组件及包括其的二次电池 |
WO2018030836A1 (en) * | 2016-08-11 | 2018-02-15 | Shin Heung Energy & Electronic Co.,Ltd. | Cap assembly for secondary battery and secondary battery including the cap assembly |
Also Published As
Publication number | Publication date |
---|---|
EP3800697A1 (en) | 2021-04-07 |
KR20200063549A (ko) | 2020-06-05 |
WO2020111591A1 (ko) | 2020-06-04 |
EP3800697A4 (en) | 2021-09-15 |
KR102517397B1 (ko) | 2023-04-04 |
US11749866B2 (en) | 2023-09-05 |
JP2021530836A (ja) | 2021-11-11 |
CN112385072B8 (zh) | 2023-03-31 |
CN112385072B (zh) | 2023-02-10 |
US20210336309A1 (en) | 2021-10-28 |
JP7102673B2 (ja) | 2022-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220420 Address after: Seoul, South Kerean Applicant after: LG Energy Solution,Ltd. Address before: Seoul, South Kerean Applicant before: LG CHEM, Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CI03 | Correction of invention patent |
Correction item: Inventor Correct: Min Jian|Li Dijun|Zheng Xiangxi False: error Number: 06-02 Volume: 39 Correction item: Inventor Correct: Min Jian|Li Dijun|Zheng Xiangxi False: error Number: 06-02 Page: The title page Volume: 39 |
|
CI03 | Correction of invention patent | ||
OR01 | Other related matters | ||
OR01 | Other related matters |