KR960027008A - 전지 - Google Patents

전지 Download PDF

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Publication number
KR960027008A
KR960027008A KR1019950050862A KR19950050862A KR960027008A KR 960027008 A KR960027008 A KR 960027008A KR 1019950050862 A KR1019950050862 A KR 1019950050862A KR 19950050862 A KR19950050862 A KR 19950050862A KR 960027008 A KR960027008 A KR 960027008A
Authority
KR
South Korea
Prior art keywords
winding
electrode
sheet
battery
wound
Prior art date
Application number
KR1019950050862A
Other languages
English (en)
Other versions
KR100362753B1 (ko
Inventor
마사유키 가게야마
노보루 호시나
Original Assignee
이데이 노부유키
소니 가부시기가이샤
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 이데이 노부유키, 소니 가부시기가이샤 filed Critical 이데이 노부유키
Publication of KR960027008A publication Critical patent/KR960027008A/ko
Application granted granted Critical
Publication of KR100362753B1 publication Critical patent/KR100362753B1/ko

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte
    • H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
    • H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded electrodes
    • 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
    • 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
    • H01M10/052—Li-accumulators
    • 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 of a single cell or a single battery
    • H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
    • H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
    • 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

Abstract

박형(薄型) 전지에 있어서, 시트형 정극(正極) (2)과 시트형 부극(負極) (1)을 세퍼레이터(3)를 통하여 적층된 전극적층체를 단면 마름모형상의 권심(卷芯) (9)에 권회하고, 장원형으로 압축함으로써 구성된 권회전극소 자체를 사용한다.
권회전국소자체에 권회이완이나 권회어긋남이 없이, 균일하고, 큰 방전용량이 얻어지고, 우수한 중부하특성, 신뢰성을 발휘하는 박형 전지가 얻어진다.

Description

전지
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 적용한 전지의 1 구성예를 나타낸 단면도, 제2도는 권심의 일예를 나타낸 단면도, 제3도는 2개의 대각선의 길이비가 1:2.5의 단면 대략 마름모형상의 권심으로 권회된 권회전극소자체를 사용하는 전지의 용량분포를 나타낸 특성도.

Claims (2)

  1. 시트형 정극(定極) 과 시트형 부극(負極) 을 세퍼레이터를 통하여 적층된 전극적층체를 단면 대략 마름모형상의 권심(卷芯) 에 권회하고, 단면 장원형으로 압축함으로써 구성된 권회전극소자체가 전지캔내에 수용되어 이루어지는 것을 특징으로 하는 전지.
  2. 제1항에 있어서, 전해액이 비수전해액(非水電解液)인 것을 특징으로 하는 전지.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950050862A 1994-12-19 1995-12-16 전지제조방법 KR100362753B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP94-314635 1994-12-19
JP31463594A JP3536391B2 (ja) 1994-12-19 1994-12-19 巻回電極素子体及びその製造方法並びに巻回電極素子体を用いた電池の製造方法

Publications (2)

Publication Number Publication Date
KR960027008A true KR960027008A (ko) 1996-07-22
KR100362753B1 KR100362753B1 (ko) 2003-03-15

Family

ID=18055698

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950050862A KR100362753B1 (ko) 1994-12-19 1995-12-16 전지제조방법

Country Status (3)

Country Link
US (1) US5658683A (ko)
JP (1) JP3536391B2 (ko)
KR (1) KR100362753B1 (ko)

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KR100189809B1 (ko) * 1996-06-11 1999-06-01 손욱 권취 극판군
KR100210502B1 (ko) * 1996-06-19 1999-07-15 손욱 권취극판군용 세퍼레이터
JP3005493B2 (ja) * 1997-04-24 2000-01-31 日本電気株式会社 角型電池の製造方法
EP0948072B1 (fr) * 1998-03-30 2003-06-25 Renata AG Accumulateur ou pile prismatique à enroulement bobiné
US6190426B1 (en) 1998-12-17 2001-02-20 Moltech Corporation Methods of preparing prismatic cells
JP2001155774A (ja) * 1999-11-25 2001-06-08 Nec Mobile Energy Kk 非水電解液二次電池
WO2001047046A1 (en) * 1999-12-22 2001-06-28 Shenzhen Lb Battery Co., Ltd A thin battery
DE10015823A1 (de) * 2000-03-30 2001-10-18 Epcos Ag Gehäuster Schichtstapel, Verfahren zur Herstellung des gehäusten Schichtstapels und Verwendung des Verfahrens
JP4580620B2 (ja) 2002-03-13 2010-11-17 パナソニック株式会社 電池に用いる渦巻状電極群の製造方法
US7901807B2 (en) * 2003-04-02 2011-03-08 Panasonic Corporation Energy device and method for producing the same
EP1678769B1 (en) * 2003-10-28 2011-09-28 Johnson Controls Technology Company Battery system with improved heat dissipation
JP4789584B2 (ja) * 2004-11-12 2011-10-12 三洋電機株式会社 扁平渦巻電極体を備えた二次電池の製造方法
KR101036067B1 (ko) * 2009-11-27 2011-05-19 삼성에스디아이 주식회사 안전부재가 구비된 파우치형 리튬 이차전지
US8628878B2 (en) * 2010-04-12 2014-01-14 Samsung Sdi Co., Ltd. Hooked retainer for electrode body in rechargeable battery
US9350042B2 (en) * 2011-02-03 2016-05-24 Sanyo Electric Co., Ltd. Nonaqueous electrolyte secondary battery
KR101382548B1 (ko) * 2011-03-31 2014-04-07 주식회사 엘지화학 젤리-롤형 전극조립체 제조용 권심
KR101334625B1 (ko) * 2011-03-31 2013-11-29 주식회사 엘지화학 젤리-롤형 전극조립체 제조용 권심
JP2013073840A (ja) * 2011-09-28 2013-04-22 Sumitomo Bakelite Co Ltd リチウムイオン二次電池の製造方法
EP2789560B1 (en) * 2011-12-07 2018-01-31 Toray Industries, Inc. Microporous membrane roll and method of manufacturing same
US9951275B2 (en) 2013-09-24 2018-04-24 Dic Corporation Liquid Crystal Display Device
JP2021017366A (ja) * 2020-04-01 2021-02-15 株式会社皆藤製作所 巻芯、巻回ユニット、及び巻回装置
CN112803062B (zh) * 2021-04-08 2021-08-03 江苏时代新能源科技有限公司 电池单体、电池、用电设备及电池单体的制造方法

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JP3191394B2 (ja) * 1992-04-10 2001-07-23 松下電器産業株式会社 非水二次電池とその負極板の製造法
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Also Published As

Publication number Publication date
JP3536391B2 (ja) 2004-06-07
US5658683A (en) 1997-08-19
JPH08171917A (ja) 1996-07-02
KR100362753B1 (ko) 2003-03-15

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