WO2012018200A3 - 안전성이 향상된 이차전지용 파우치 및 이를 이용한 파우치형 이차전지, 중대형 전지팩 - Google Patents

안전성이 향상된 이차전지용 파우치 및 이를 이용한 파우치형 이차전지, 중대형 전지팩 Download PDF

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WO2012018200A3
WO2012018200A3 PCT/KR2011/005637 KR2011005637W WO2012018200A3 WO 2012018200 A3 WO2012018200 A3 WO 2012018200A3 KR 2011005637 W KR2011005637 W KR 2011005637W WO 2012018200 A3 WO2012018200 A3 WO 2012018200A3
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WO
WIPO (PCT)
Prior art keywords
pouch
secondary battery
type secondary
battery
improved stability
Prior art date
Application number
PCT/KR2011/005637
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English (en)
French (fr)
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WO2012018200A2 (ko
Inventor
조승수
윤유림
최승돈
전호진
최대식
권대홍
Original Assignee
주식회사 엘지화학
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Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to CN201180042802.3A priority Critical patent/CN103081161B/zh
Priority to EP11814800.6A priority patent/EP2602840B1/en
Priority to JP2013523090A priority patent/JP5674936B2/ja
Priority to US13/242,955 priority patent/US20120040235A1/en
Publication of WO2012018200A2 publication Critical patent/WO2012018200A2/ko
Publication of WO2012018200A3 publication Critical patent/WO2012018200A3/ko

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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
    • 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
    • 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
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
    • 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
    • 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
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0082—Organic polymers
    • 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
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • 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
    • H01M50/183—Sealing members
    • H01M50/19—Sealing members characterised by the material
    • H01M50/198—Sealing members characterised by the material characterised by physical properties, e.g. adhesiveness or hardness
    • 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
    • H01M50/383—Flame arresting or ignition-preventing means
    • 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
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • 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
    • H01M50/557—Plate-shaped terminals
    • 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)
  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)
  • Gas Exhaust Devices For Batteries (AREA)

Abstract

본 발명은 안전성이 향상된 파우치형 이차 전지에 대한 것으로, 과충전 등으로 인하여 파우치 내부의 압력이 상승할 경우, 파우치의 형태가 변형되도록 설계하고 이에 따라 전극리드와 전극탭의 연결 부분이 분리되도록 구성된 파우치형 이차전지 및 이를 포함하는 전지팩에 대한 것이다. 본 발명은 이차전지의 제조시 별도의 재료나 장치 등이 필요치 아니하면서도 파우치형 이차전지의 내부 가스 발생시 원천적으로 전류의 흐름을 차단하여 전지의 수명 및 안전성을 현저히 높일 수 있으며, 낮은 제조비, 적은 중량, 전지의 용이한 형태 변형 등이 가능한 파우치형 이차 전지를 제공할 수 있다.
PCT/KR2011/005637 2010-08-05 2011-07-30 안전성이 향상된 이차전지용 파우치 및 이를 이용한 파우치형 이차전지, 중대형 전지팩 WO2012018200A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201180042802.3A CN103081161B (zh) 2010-08-05 2011-07-30 具有改进稳定性的二次电池袋、使用这种二次电池袋的袋型二次电池以及中大型电池组
EP11814800.6A EP2602840B1 (en) 2010-08-05 2011-07-30 Secondary battery pouch having improved stability, pouch-type secondary battery using same, and medium- or large-sized battery pack
JP2013523090A JP5674936B2 (ja) 2010-08-05 2011-07-30 安全性が向上した二次電池用ポーチ及びこれを利用したポーチ型二次電池、中大型電池パック
US13/242,955 US20120040235A1 (en) 2010-08-05 2011-09-23 Pouch having improved safety, pouch-type secondary battery including the same, and medium-to-large battery pack

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20100075468 2010-08-05
KR10-2010-0075468 2010-08-05
KR1020110050759A KR101252981B1 (ko) 2010-08-05 2011-05-27 안전성이 향상된 이차전지용 파우치 및 이를 이용한 파우치형 이차전지, 중대형 전지팩
KR10-2011-0050759 2011-05-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/242,955 Continuation US20120040235A1 (en) 2010-08-05 2011-09-23 Pouch having improved safety, pouch-type secondary battery including the same, and medium-to-large battery pack

Publications (2)

Publication Number Publication Date
WO2012018200A2 WO2012018200A2 (ko) 2012-02-09
WO2012018200A3 true WO2012018200A3 (ko) 2012-05-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/005637 WO2012018200A2 (ko) 2010-08-05 2011-07-30 안전성이 향상된 이차전지용 파우치 및 이를 이용한 파우치형 이차전지, 중대형 전지팩

Country Status (6)

Country Link
US (1) US20120040235A1 (ko)
EP (1) EP2602840B1 (ko)
JP (1) JP5674936B2 (ko)
KR (1) KR101252981B1 (ko)
CN (1) CN103081161B (ko)
WO (1) WO2012018200A2 (ko)

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CN103081161A (zh) 2013-05-01
WO2012018200A2 (ko) 2012-02-09
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