The present invention relates to a battery module including a plurality of unit batteries. The battery module includes the plurality of unit batteries electrically connected to each other, a housing having a plurality of penetration holes in which the unit batteries are provided to respective correspond to the unit batteries, and a duct member combined with the housing to cover electrode terminals of the unit batteries. The duct member includes a coolant passage through which a coolant is provided to the penetration hole and a gas exhaust passage for exhausting gas generated from the unit batteries in a predetermined direction.