KR20070071232A - 벤트를 구비한 이차전지 및 상기 벤트 형성방법 - Google Patents
벤트를 구비한 이차전지 및 상기 벤트 형성방법 Download PDFInfo
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- KR20070071232A KR20070071232A KR1020050134526A KR20050134526A KR20070071232A KR 20070071232 A KR20070071232 A KR 20070071232A KR 1020050134526 A KR1020050134526 A KR 1020050134526A KR 20050134526 A KR20050134526 A KR 20050134526A KR 20070071232 A KR20070071232 A KR 20070071232A
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- secondary battery
- coining
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- 238000013022 venting Methods 0.000 description 1
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Classifications
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- 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
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/133—Thickness
-
- 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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- 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
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
-
- 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
- H01M50/564—Terminals characterised by their manufacturing process
- H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
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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)
- Inorganic Chemistry (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
Claims (14)
- 전극조립체와, 상기 전극조립체가 수용되는 캔과, 상기 캔의 개방된 상부와 결합되는 캡플레이트를 구비한 캡조립체를 포함하여 이루어진 이차전지에 있어서,상기 캡플레이트 또는 상기 캔에 주변의 다른 부분보다 두께가 얇은 벤트가 형성되며, 상기 벤트는 상기 벤트 내에서 가장 얇은 두께를 갖는 파단부와, 상기 파단부와 상기 벤트의 가장자리부 사이에 형성된 주름을 포함하는 것을 특징으로 하는 이차전지.
- 제 1 항에 있어서,상기 벤트는 가압 성형에 의해 형성된 것을 특징으로 하는 이차전지.
- 제 1 항에 있어서,상기 주름은 상기 가장자리부의 안쪽을 따라 폐곡선을 이루도록 형성된 것을 특징으로 하는 이차전지.
- 제 1 항에 있어서,상기 주름은 외부로 볼록하게 형성된 것을 특징으로 하는 이차전지.
- 제 3 항에 있어서,상기 파단부는 상기 주름의 안쪽을 따라 폐곡선을 이루도록 형성된 것을 특징으로 하는 이차전지.
- 이차전지의 캡플레이트 또는 캔에 주변의 다른 부분보다 두께가 얇은 벤트를 형성하는 방법에 있어서,상기 캡플레이트 또는 상기 캔의 일 부분의 두께를 주변의 다른 부분보다 얇게 성형하는 1차 코이닝(coining) 단계와, 상기 1차 코이닝된 부분 중 주변부에 주름을 형성하는 2차 코이닝 단계와, 상기 주름 안쪽에 상기 벤트 내에서 가장 얇은 두께를 갖는 파단부를 형성하는 3차 코이닝 단계를 포함하는 것을 특징으로 하는 이차전지의 벤트 형성방법.
- 제 7 항에 있어서,상기 주름은 상기 1차 코이닝된 부분 중 주변부를 제외한 영역 전체를 2차 코이닝함으로써 형성되는 것을 특징으로 하는 이차전지의 벤트 형성방법.
- 제 7 항에 있어서,상기 주름은 상기 1차 코이닝된 부분 중 주변부와 중앙부 사이 영역을 2차 코이닝함으로써 형성되는 것을 특징으로 하는 이차전지의 벤트 형성방법.
- 제 8 항 또는 제 9 항에 있어서,상기 3차 코이닝은 상기 2차 코이닝이 이루어진 부분 중 일부에 대하여 실시되는 것을 특징으로 하는 이차전지의 벤트 형성방법.
- 제 8 항 또는 제 9 항에 있어서,상기 1차 코이닝은 상기 캡플레이트의 두께가 65∼75㎛가 될 때까지 가압하는 것을 특징으로 하는 이차전지의 벤트 형성방법.
- 제 11 항에 있어서,상기 2차 코이닝은 상기 캡플레이트의 두께가 45∼55㎛가 될 때까지 가압하는 것을 특징으로 하는 이차전지의 벤트 형성방법.
- 제 12 항에 있어서,상기 3차 코이닝은 상기 캡플레이트의 두께가 20∼30㎛가 될 때까지 가압하는 것을 특징으로 하는 이차전지의 벤트 형성방법.
- 제 7 항에 있어서,상기 1차 코이닝 내지 상기 3차 코이닝은 모두 상기 캡플레이트의 하면을 받침대로 받친 후 상기 캡플레이트의 상면에 대하여 실시되는 것을 특징으로 하는 이차전지의 벤트 형성방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050134526A KR100824850B1 (ko) | 2005-12-29 | 2005-12-29 | 이차전지의 벤트 형성방법 |
US11/646,485 US8802255B2 (en) | 2005-12-29 | 2006-12-28 | Secondary battery and its method of manufacture |
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050134526A KR100824850B1 (ko) | 2005-12-29 | 2005-12-29 | 이차전지의 벤트 형성방법 |
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KR20070071232A true KR20070071232A (ko) | 2007-07-04 |
KR100824850B1 KR100824850B1 (ko) | 2008-04-23 |
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KR1020050134526A KR100824850B1 (ko) | 2005-12-29 | 2005-12-29 | 이차전지의 벤트 형성방법 |
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US (1) | US8802255B2 (ko) |
KR (1) | KR100824850B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101223522B1 (ko) * | 2010-08-16 | 2013-01-17 | 로베르트 보쉬 게엠베하 | 이차전지 |
US8597809B2 (en) | 2010-02-18 | 2013-12-03 | Samsung Sdi Co., Ltd. | Rechargeable battery |
KR20160105202A (ko) * | 2015-02-27 | 2016-09-06 | 삼성에스디아이 주식회사 | 이차 전지 |
Families Citing this family (15)
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KR101023105B1 (ko) * | 2009-03-11 | 2011-03-24 | 에스비리모티브 주식회사 | 이차전지 |
JP4605823B1 (ja) * | 2010-03-29 | 2011-01-05 | 章 池田 | 密閉型電池の安全弁及びそれを用いた密閉型電池 |
KR101137366B1 (ko) * | 2010-05-20 | 2012-08-23 | 에스비리모티브 주식회사 | 이차전지 |
DE102011006225A1 (de) * | 2011-03-28 | 2012-10-04 | Robert Bosch Gmbh | Batteriezelle |
DE102012216479A1 (de) * | 2012-09-14 | 2014-03-20 | Robert Bosch Gmbh | Batteriezelle mit in Gehäusedeckplatte integrierter Berstscheibe |
KR101416520B1 (ko) * | 2013-02-18 | 2014-07-09 | (주)영하이테크 | 벤트 구조를 갖는 2차 전지용 캡 플레이트 및 그의 제조방법 |
KR102043458B1 (ko) * | 2013-07-29 | 2019-11-11 | 삼성에스디아이 주식회사 | 이차 전지 |
KR102198003B1 (ko) * | 2014-04-16 | 2021-01-04 | 삼성에스디아이 주식회사 | 전지 팩 |
US20160079578A1 (en) * | 2014-09-12 | 2016-03-17 | Johnson Controls Technology Company | Hinged vent for electrochemical cell system and method |
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KR102570969B1 (ko) * | 2018-02-01 | 2023-08-25 | 삼성에스디아이 주식회사 | 원통형 리튬 이온 이차 전지 |
WO2022006901A1 (zh) * | 2020-07-10 | 2022-01-13 | 宁德时代新能源科技股份有限公司 | 电池盒、电池单体、电池、制备电池盒的方法和装置 |
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JP3460138B2 (ja) * | 1996-03-08 | 2003-10-27 | 株式会社京浜理化工業 | 防爆型二次電池 |
KR100352083B1 (ko) | 1998-09-28 | 2002-11-18 | 에스케이씨 주식회사 | 리튬이온전지의밀봉구조 |
KR100440937B1 (ko) * | 2002-02-06 | 2004-07-21 | 삼성에스디아이 주식회사 | 안전변을 가진 캡 조립체 및, 그것을 구비한 각형 2차 전지 |
JP2004079399A (ja) | 2002-08-21 | 2004-03-11 | Alps Electric Co Ltd | 電池の安全装置 |
JP4643176B2 (ja) | 2004-05-20 | 2011-03-02 | トヨタ自動車株式会社 | 缶型電池およびその製造方法 |
JP4624004B2 (ja) | 2004-05-31 | 2011-02-02 | 三洋電機株式会社 | 電池 |
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2005
- 2005-12-29 KR KR1020050134526A patent/KR100824850B1/ko active IP Right Grant
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8597809B2 (en) | 2010-02-18 | 2013-12-03 | Samsung Sdi Co., Ltd. | Rechargeable battery |
KR101223522B1 (ko) * | 2010-08-16 | 2013-01-17 | 로베르트 보쉬 게엠베하 | 이차전지 |
US9142814B2 (en) | 2010-08-16 | 2015-09-22 | Samsung Sdi Co., Ltd. | Rechargeable battery |
KR20160105202A (ko) * | 2015-02-27 | 2016-09-06 | 삼성에스디아이 주식회사 | 이차 전지 |
US9837648B2 (en) | 2015-02-27 | 2017-12-05 | Samsung Sdi Co., Ltd. | Rechargeable battery |
Also Published As
Publication number | Publication date |
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US8802255B2 (en) | 2014-08-12 |
US20070154782A1 (en) | 2007-07-05 |
KR100824850B1 (ko) | 2008-04-23 |
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