APPARATUS FOR COLLECTING GAS IN SECONDARY BATTERY

A gas-collecting apparatus for collecting gas generated in a secondary battery including an electrode assembly and a rigid battery case accommodating the electrode assembly therein, the gas-collecting apparatus comprising: a pressing jig part for pressing one surface of the battery case; a gas collecting pipe provided with the pressing jig part; a sealing part inserted between the pressing jig part and one surface of the battery case; and a fixing unit for fixing the pressing jig part and the battery case with the sealing member inserted between the pressing jig part and the battery case, and the gas-collecting apparatus capable of easily collecting the gas regardless of the standard size and shape of the secondary battery.