WO2012020939A3 - 안전성이 향상된 이차전지 - Google Patents

안전성이 향상된 이차전지 Download PDF

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Publication number
WO2012020939A3
WO2012020939A3 PCT/KR2011/005674 KR2011005674W WO2012020939A3 WO 2012020939 A3 WO2012020939 A3 WO 2012020939A3 KR 2011005674 W KR2011005674 W KR 2011005674W WO 2012020939 A3 WO2012020939 A3 WO 2012020939A3
Authority
WO
WIPO (PCT)
Prior art keywords
rechargeable battery
electrode
case
improved safety
tab
Prior art date
Application number
PCT/KR2011/005674
Other languages
English (en)
French (fr)
Other versions
WO2012020939A2 (ko
WO2012020939A9 (ko
Inventor
권성진
안순호
정현철
김기웅
김영훈
Original Assignee
주식회사 엘지화학
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 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to JP2013524030A priority Critical patent/JP5548827B2/ja
Priority to CN201180036935.XA priority patent/CN103026532B/zh
Priority to EP11816555.4A priority patent/EP2587566B1/en
Priority to US13/812,225 priority patent/US10003049B2/en
Publication of WO2012020939A2 publication Critical patent/WO2012020939A2/ko
Publication of WO2012020939A9 publication Critical patent/WO2012020939A9/ko
Publication of WO2012020939A3 publication Critical patent/WO2012020939A3/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
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0436—Small-sized flat cells or batteries for portable equipment
    • 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
    • H01M10/02—Details
    • 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
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M50/105—Pouches or flexible bags
    • 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
    • H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
    • 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
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 전극조립체가 파우치형 전지케이스의 수납부에 내장되어 있는 이차전지로서, 이차전지에 대한 팩 케이스의 형성을 위한 사출 성형에서 핫멜트 수지의 사출압에 대해 전극탭과 전극리드의 결합부(V-포밍부)가 지지될 수 있도록, 전극조립체의 탭과 대응하는 전지케이스 수납부 상단에 전지케이스가 상향 돌출된 볼록부(convex)가 형성되어 있는 이차전지를 제공한다.
PCT/KR2011/005674 2010-08-09 2011-08-02 안전성이 향상된 이차전지 WO2012020939A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2013524030A JP5548827B2 (ja) 2010-08-09 2011-08-02 安全性が向上した二次バッテリー
CN201180036935.XA CN103026532B (zh) 2010-08-09 2011-08-02 具有提高的安全性的二次电池
EP11816555.4A EP2587566B1 (en) 2010-08-09 2011-08-02 Rechargeable battery with improved safety
US13/812,225 US10003049B2 (en) 2010-08-09 2011-08-02 Secondary battery of improved safety

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0076194 2010-08-09
KR20100076194 2010-08-09

Publications (3)

Publication Number Publication Date
WO2012020939A2 WO2012020939A2 (ko) 2012-02-16
WO2012020939A9 WO2012020939A9 (ko) 2012-04-05
WO2012020939A3 true WO2012020939A3 (ko) 2012-05-24

Family

ID=45568011

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/005674 WO2012020939A2 (ko) 2010-08-09 2011-08-02 안전성이 향상된 이차전지

Country Status (7)

Country Link
US (1) US10003049B2 (ko)
EP (1) EP2587566B1 (ko)
JP (1) JP5548827B2 (ko)
KR (1) KR101269939B1 (ko)
CN (1) CN103026532B (ko)
TW (1) TWI425701B (ko)
WO (1) WO2012020939A2 (ko)

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* Cited by examiner, † Cited by third party
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WO2013180471A1 (ko) * 2012-05-29 2013-12-05 주식회사 엘지화학 이차 전지 및 이를 제조하는 방법
US9876199B2 (en) * 2013-03-14 2018-01-23 Brightvolt, Inc. Batteries comprising a mulitlayer dielectric and sealing film and method of making the batteries
KR101766014B1 (ko) * 2015-06-17 2017-08-07 현대자동차주식회사 파우치 접촉 타입 배터리 셀 및 이를 적용한 배터리 셀 유닛, 배터리 모듈, 배터리 시스템
KR102288544B1 (ko) * 2015-06-29 2021-08-11 삼성에스디아이 주식회사 이차 전지 및 그 제조 방법
US10141550B2 (en) 2016-10-20 2018-11-27 Ford Global Technologies, Llc Pouch battery cell assembly for traction battery
KR102319238B1 (ko) 2016-11-07 2021-10-28 삼성에스디아이 주식회사 이차 전지
KR102185959B1 (ko) * 2017-04-25 2020-12-02 주식회사 엘지화학 안전성이 향상된 배터리 셀
KR102448131B1 (ko) * 2017-08-29 2022-09-28 주식회사 엘지에너지솔루션 부분적으로 증가된 두께를 가지는 라미네이트 시트로 이루어진 파우치형 이차전지
KR102517953B1 (ko) * 2017-10-26 2023-04-03 주식회사 엘지화학 리드 탭 및 이를 구비하는 파우치형 배터리
KR20210044099A (ko) * 2019-10-14 2021-04-22 주식회사 엘지화학 배터리 셀, 이러한 배터리 셀을 포함하는 배터리 모듈 및 이러한 배터리 모듈을 포함하는 배터리 팩
US11682808B2 (en) 2020-10-06 2023-06-20 Lg Energy Solution, Ltd. Pouch type battery case, apparatus for molding the same, and pouch type secondary battery
KR102552691B1 (ko) * 2020-10-06 2023-07-10 주식회사 엘지에너지솔루션 파우치 형 전지 케이스 및 그의 성형 장치, 파우치 형 이차 전지
KR20230109950A (ko) * 2022-01-14 2023-07-21 삼성에스디아이 주식회사 이차 전지
WO2023137640A1 (zh) * 2022-01-19 2023-07-27 宁德新能源科技有限公司 电池及包含其的电子装置

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EP1414084B1 (en) * 2002-08-26 2007-05-30 Nissan Motor Co., Ltd. Laminate cell, assembled battery, battery module and electric vehicle
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Also Published As

Publication number Publication date
JP5548827B2 (ja) 2014-07-16
TWI425701B (zh) 2014-02-01
CN103026532A (zh) 2013-04-03
WO2012020939A2 (ko) 2012-02-16
EP2587566A4 (en) 2013-05-01
US20130330606A1 (en) 2013-12-12
EP2587566A2 (en) 2013-05-01
TW201244230A (en) 2012-11-01
US10003049B2 (en) 2018-06-19
KR101269939B1 (ko) 2013-05-31
WO2012020939A9 (ko) 2012-04-05
KR20120014540A (ko) 2012-02-17
CN103026532B (zh) 2015-11-25
JP2013537691A (ja) 2013-10-03
EP2587566B1 (en) 2014-10-01

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