FLAT BATTERY AND METHOD FOR MANUFACTURING FLAT BATTERY

The present invention comprises a battery main body (11) where a power generation unit (112) is sealed in a case member (111), a plate-shaped member which is disposed between outer periphery portions (113) of the adjacent battery main bodies (11) when stacked on one another, and an elastic member which is joined to the battery main body (11) and the plate-shaped member to connect the battery main body (11) to the plate-shaped member and covers at least part of the plate-shaped member. The plate-shaped member comprises an exposed portion which is exposed from a portion of an end surface in a thickness direction of the battery main body (11) of the elastic member covering the plate-shaped member.