WO2018190690A3 - 이차전지 - Google Patents

이차전지 Download PDF

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Publication number
WO2018190690A3
WO2018190690A3 PCT/KR2018/004365 KR2018004365W WO2018190690A3 WO 2018190690 A3 WO2018190690 A3 WO 2018190690A3 KR 2018004365 W KR2018004365 W KR 2018004365W WO 2018190690 A3 WO2018190690 A3 WO 2018190690A3
Authority
WO
WIPO (PCT)
Prior art keywords
secondary battery
battery
slim
coating portion
tensile strength
Prior art date
Application number
PCT/KR2018/004365
Other languages
English (en)
French (fr)
Other versions
WO2018190690A2 (ko
Inventor
지상구
복천희
이명안
김상욱
박근영
김용한
김다나
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 US16/338,227 priority Critical patent/US10971781B2/en
Priority to JP2019517023A priority patent/JP6795145B2/ja
Priority to CN201880003927.7A priority patent/CN109863620B/zh
Priority to EP18784168.9A priority patent/EP3506392B1/en
Publication of WO2018190690A2 publication Critical patent/WO2018190690A2/ko
Publication of WO2018190690A3 publication Critical patent/WO2018190690A3/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
    • H01M50/30—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
    • H01M50/131—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
    • H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
    • 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
    • H01M50/10—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
    • H01M50/30—Arrangements for facilitating escape of gases
    • 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
    • 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)
  • Inorganic Chemistry (AREA)
  • Gas Exhaust Devices For Batteries (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Secondary Cells (AREA)

Abstract

이차전지가 개시된다. 본 발명에 따르면, 이차전지가 발화하는 경우 이차전지 내부의 가스 및 물질 등이 원활하게 배출되도록 하여 이차전지의 발화시 안전성이 향상될 수 있다. 상기 목적을 달성하기 위한 본 발명의 일 측면에 따르면, 전극 조립체; 상기 전극 조립체를 수용하기 위한 전지 캔; 및 상기 전지 캔에 도포되는 도포부를 포함하고, 상기 전지 캔은, 상기 전지 캔의 다른 영역에 비해 상대적으로 얇은 두께를 갖는 슬림부를 포함하며, 상기 도포부는 상기 슬림부 상에 도포되고, 상기 도포부의 인장 강도는 상기 슬림부의 인장 강도보다 낮은 이차전지가 제공된다.
PCT/KR2018/004365 2017-04-13 2018-04-13 이차전지 WO2018190690A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US16/338,227 US10971781B2 (en) 2017-04-13 2018-04-13 Secondary battery
JP2019517023A JP6795145B2 (ja) 2017-04-13 2018-04-13 二次電池
CN201880003927.7A CN109863620B (zh) 2017-04-13 2018-04-13 二次电池
EP18784168.9A EP3506392B1 (en) 2017-04-13 2018-04-13 Secondary battery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0047937 2017-04-13
KR20170047937 2017-04-13

Publications (2)

Publication Number Publication Date
WO2018190690A2 WO2018190690A2 (ko) 2018-10-18
WO2018190690A3 true WO2018190690A3 (ko) 2019-01-03

Family

ID=63792764

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/004365 WO2018190690A2 (ko) 2017-04-13 2018-04-13 이차전지

Country Status (6)

Country Link
US (1) US10971781B2 (ko)
EP (1) EP3506392B1 (ko)
JP (1) JP6795145B2 (ko)
KR (1) KR102183539B1 (ko)
CN (1) CN109863620B (ko)
WO (1) WO2018190690A2 (ko)

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Also Published As

Publication number Publication date
EP3506392A2 (en) 2019-07-03
JP6795145B2 (ja) 2020-12-02
US20200035968A1 (en) 2020-01-30
WO2018190690A2 (ko) 2018-10-18
US10971781B2 (en) 2021-04-06
EP3506392B1 (en) 2021-08-04
JP2019530962A (ja) 2019-10-24
KR102183539B1 (ko) 2020-11-26
EP3506392A4 (en) 2019-10-30
CN109863620A (zh) 2019-06-07
KR20180115642A (ko) 2018-10-23
CN109863620B (zh) 2021-12-24

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