The present invention relates to a battery module comprising a plurality of batteries electrically coupled to each other; a housing that defines a plurality of openings that are sized so as to receive the corresponding batteries; and a duct member combined with the housing to cover the electrode terminals of the batteries. The duct member includes a coolant passage that allows coolant to be circulated into the plurality of openings; and a gas exhaust passage that permits gas generated by the batteries to exhaust along a prescribed direction.