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|1. (WO2018101618) BATTERY CELL-DEGASSING DEVICE|
|Applicants:||LG CHEM, LTD.
|Title:||BATTERY CELL-DEGASSING DEVICE|
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.