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Patent Searching and Data


Title:
POUCH TYPE SECONDARY BATTERY COMPRISING VENTING INDUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/045256
Kind Code:
A1
Abstract:
The present invention relates to a pouch type secondary battery which has an electrode assembly of a structure, in which a cathode, a separation membrane, and an anode are sequentially laminated, accommodated in a pouch case, and which comprises a venting induction device positioned in the pouch case and having a gas discharge through-hole formed in the pouch case by means of an elastic member triggered by an increase in internal pressure of the pouch.

Inventors:
HAN HYUN GYU (KR)
CHOI DAE SIK (KR)
Application Number:
PCT/KR2018/007752
Publication Date:
March 07, 2019
Filing Date:
July 09, 2018
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/48; H01M50/105; H01M50/211
Foreign References:
KR101724618B12017-04-07
KR20160086376A2016-07-19
JP2004342520A2004-12-02
KR20060037607A2006-05-03
JP2011044332A2011-03-03
KR20170109716A2017-10-10
KR20150121912A2015-10-30
KR20160147145A2016-12-22
JP2011044332A2011-03-03
JP2011233604A2011-11-17
Other References:
See also references of EP 3567654A4
Attorney, Agent or Firm:
JANG, Nak Yong et al. (KR)
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