| 摘要 |
Disclosed is a battery having an improved life. Specifically disclosed is a battery which comprises: an electric power generating element (21) in which one or more unit cell layers are stacked, each being constituted by sequentially laminating or stacking a positive electrode, an electrolyte and a negative electrode ; a first collector plate (25) which is provided on the outermost positive electrode surface of the electric power generating element (21); a second collector plate (27) which is provided on the outermost negative electrode surface of the electric power generating element (21); a convex or protruding portion (41), (42) provided on the first collector plate (25) and/or the second collector plate (27) with a width that is not less than a half of the width of the end edge of the collector plate (25) ,(27); and a terminal (44), (45) which is attached to the convex portion (41) ,(42) for retrieving electric current from the convex portion (41) ,(42). |
