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1. (WO2018101618) BATTERY CELL-DEGASSING DEVICE

Pub. No.:    WO/2018/101618    International Application No.:    PCT/KR2017/012337
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Fri Nov 03 00:59:59 CET 2017
IPC: H01M 10/04
H01M 2/12
Applicants: LG CHEM, LTD.
주식회사 엘지화학
Inventors: PARK, Hyo-Jin
박효진
KIM, Myung-Hyun
김명현
BAE, Joon-Sung
배준성
LEE, Eui-Kyung
이의경
HEO, Jin-Woo
허진우
HONG, Suk-Hyun
홍석현
Title: BATTERY CELL-DEGASSING DEVICE
Abstract:
A battery cell-degassing device for degassing a battery cell provided with a gas pocket part according to an embodiment of the present invention comprises: a chamber cover having a battery cell separably rested thereon; a vacuum chamber which is coupled with the chamber cover as a result of the horizontal sliding of the chamber cover, and which is capable of accommodating the battery cell in a vacuum atmosphere; a piercing unit provided to the vacuum chamber and piercing a part of a gas pocket part; and a pressuring unit which is provided to the vacuum chamber away from the piercing unit, and which flattens the upper surface and the lower surface of the battery cell and allows the gas inside the battery cell to be discharged out of the battery cell.