| 摘要 |
PURPOSE: A battery module equipped with an exhaust member is provided to easily and rapidly discharge gas generated from inside a housing. CONSTITUTION: A battery module(101) comprises a plurality of secondary batteries(20) in which exhaust members(27) which can be opened under set pressures, a housing(12) in which secondary batteries are built in and the exhaust holes are formed, and a valve member(30) which is installed in order to block up the exhaust holes. An opening pressure or the valve member is smaller than open-door pressure of the exhaust member. The open-door pressure of the exhaust member is 60-90%. The housing comprises a body(121) in which the secondary battery is built in and a cover(123) combined in the body. |
