US Patent 9337458 Battery module

A battery module including a pair of end plates; a plurality of battery cells aligned between the pair of end plates in a direction; a top plate at an upper portion of the plurality of battery cells; a bottom plate at a lower portion of the plurality of battery cells; a housing accommodating the plurality of battery cells with the pair of end plates, the top plate, and the bottom plate, and at least one reinforcement member between battery cells of the plurality of battery cells, the at least one reinforcement member including at least one fixation unit.