Patent ID: 9620762
Date: 2017-04-11
CPC Classifications: H01M,Y02E

Claim:
1. An electrical storage element comprising: a power generation element that includes an electrode; a can in which the power generation element is stored; a lid that seals an opening of the can; an external terminal that is disposed on the lid; and a current collector that connects the electrode of the power generation element, and the external terminal, wherein the external terminal includes a bus bar welding portion having a bus bar welding surface to which a bus bar is welded, and a current collector connection portion having a caulking-jig abutting surface, the current collector connection portion includes an insertion portion which is inserted into a through-hole of the lid and has a tip end which is fixed to the current collector by caulking, the bus bar welding portion and the current collector connection portion are integrally formed as a single piece and provided in parallel on the lid, and the caulking-jig abutting surface extends from and is in a same plane as the bus bar welding surface.