Patent ID: 8247099
Filing Date: 2012-08-21
Classification: H01M,Y02E

Abstract:
1. A gas exhaust structure of a battery column stacking two or more batteries, the gas exhaust structure provided in each of the batteries, comprising: a gas spouting valve formed in a battery body of each of the batteries; and a pipe unit composed by integrating a coupling pipe and an exhaust pipe with each other, wherein a one-side opening of the coupling pipe is coupled to the gas spouting valve, the exhaust pipe is coupled to an other-side opening of the coupling pipe of an adjacent stacked battery, the exhaust pipe for guiding gas spouted out from an inside of the battery body through the gas spouting valve and the one-side opening of the coupling pipe, and exhausting the gas to an outside, and the exhaust pipe is arranged to be offset with respect to the gas spouting valve without allowing an extended line that passes through a center of the gas spouting valve and a centerline of the exhaust pipe to be perpendicular to each other.