US Patent 10388934 Battery module and method for manufacturing battery module

A battery module 1 includes an array body including a plurality of battery cells held by cell holders and arranged along a predetermined array direction, and elastic members disposed between adjacent battery cells, and a restraint member applying a restraining load to the array body in the array direction. The cell holder has a protrusion protruding in the array direction, and a compression amount of the elastic member between the battery cells is regulated by the protrusion abutting on a cell holder of an adjacent battery cell.