Gas collection device

Abstract

Gas collection devices are provided. In certain embodiments, the gas collection devices comprise: a jig unit; a cylindrical battery; a carrier unit; a chamber body unit having an opening formed at a first end and including a battery accommodation area configured to accommodate the carrier unit; a chamber cap unit coupled to the first end of the chamber body unit and including a first side covering the opening; a first driving unit configured to move the carrier unit through the opening into the battery accommodation area; a second driving unit configured to seal the first end of the chamber body unit with the chamber cap unit and configured to separate the first end of the chamber body unit from the chamber cap unit; and a gas delivery flow path connected to the chamber body unit to deliver analysis target gas diffused into the battery accommodation area to a gas analysis unit. In addition, gas collection devices are provided in which loading, unloading, punching, etc. of a battery are automated, allowing collected gas to be delivered precisely and stably to a gas analysis device.