POUCH-TYPE BATTERY CELL COMPRISING VENTING MEMBER AND BATTERY PACK COMPRISING SAME

Title:

POUCH-TYPE BATTERY CELL COMPRISING VENTING MEMBER AND BATTERY PACK COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2020/116856

Kind Code:

A1

Abstract:

The present invention relates to a pouch-type battery cell, and a battery module and battery pack comprising same, the pouch-type battery cell comprising a battery case comprising a metal layer and a polymer resin layer, wherein the battery case has an electrode assembly accommodation part formed in at least one of an upper case and a lower case, and a venting member is positioned, as a portion adjacent to a sealing part of the battery case, on the outer side surface of the electrode assembly accommodation part. The venting member consists of a shape memory alloy which is deformed so as to pass through the battery case when the temperature of the battery cell is increased.

Inventors:

LEE JI SU (KR)
PARK JUN SOO (KR)
JUNG BUM YOUNG (KR)

Application Number:

PCT/KR2019/016541

Publication Date:

June 11, 2020

Filing Date:

November 28, 2019

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

H01M50/10; H01M50/105; H01M50/143; H01M50/202

Foreign References:

KR101136274B1	2012-04-19
KR100904374B1	2009-06-25
KR101292618B1	2013-08-02
KR101093937B1	2011-12-13
KR101527256B1	2015-06-08
KR20180157169A	2018-12-07
KR100886570B1	2009-03-05
KR20130019477A	2013-02-27

Other References: