Patent ID: 9070938
Filing Date: 2015-06-30
Classification: H01G,H01M,Y02E

Abstract:
1. A terminal lead comprising: an inner end portion to be arranged inwardly of an exterior casing which accommodates an electrochemical element; an outer end portion to be arranged outwardly of the exterior casing; a plate-shaped metallic substrate as a base material; an insulating resin film to be arranged at a portion of the metallic substrate corresponding to a seal portion of the exterior casing; and a surface coating layer formed on both surfaces of the metallic substrate in a thickness direction of the metallic substrate; wherein a coated amount of both widthwise end portions of the surface coating layer formed on both the surfaces of the metallic substrate in the thickness direction is less than a coated amount of a widthwise intermediate portion of the surface coating layer formed on both the surfaces of the metallic substrate in the thickness direction.