POUCH CELL VENTING DETECTION DEVICE

WIPO Patent Application WO/2023/163394

A1

The present invention relates to a pouch cell venting detection device which mechanically detects the venting or not of a pouch cell by using a change in volume of the pouch cell, and when venting occurs, is capable of immediately interrupting a voltage, the pouch cell venting detection device comprising: a body unit; a rotation means; a rotation unit which is coupled to one surface of the body unit so as to be rotatable by means of the rotation means, and has formed on one side a contact surface contacting an electrode lead; a support which is provided on the other side of the rotation unit so as to face a pouch case; and a cell pressing block which is coupled to an end part of the support and has formed a pressing surface pressing the outer surface of the pouch case.

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WO/1999/052167	BATTERY HAVING A BUILT-IN CONTROLLER TO EXTEND BATTERY SERVICE RUN TIME
WO/2022/246455	POLYMER COMPOSITE SEPARATOR FOR A LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD

KIM WON JOONG (KR)
KIM BONG CHEOL (KR)
PARK KI HONG (KR)

PCT/KR2023/001299

August 31, 2023

January 27, 2023

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LG ENERGY SOLUTION LTD (KR)

H01M10/42; G01B5/30; H01M50/105; H01M50/178

KR20170040919A	2017-04-14
KR20170050926A	2017-05-11
CN104272493A	2015-01-07
US20140295222A1	2014-10-02
CN215816008U	2022-02-11

BAE, KIM & LEE IP (KR)

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