Patent ID: 9070919
Filing Date: 2015-06-30
Classification: H01M,Y02E

Abstract:
1. A positive tab lead comprising: an aluminum plate; a partial coating layer made of nickel, tin or solder formed on at least both sides of a region of the aluminum plate to be exposed to an outside of an outer cover; and an insulating tab film thermally welded to both sides of a longitudinally intermediate region of the aluminum plate such that the insulating tab film extends over both of at least a portion of the region where the partial coating layer is formed and at least a portion of the region where the partial coating layer is not formed; wherein the insulating tab film is not provided over an outer end region of the aluminum plate; and an edge portion of the outer cover is arranged such that the edge portion pinches the insulating tab film, and the edge portion of the outer cover is sealed to the insulating tab film.