Patent ID: 8956744
Filing Date: 2015-02-17
Classification: H01M,Y02E

Abstract:
1. A battery assembly comprising: a plurality of electric cells, an electric cell of the plurality of electric cells including a plurality of external terminals formed at an end of the electric cell; an insulating cap disposed at the end of the electric cell, the insulating cap including walls surrounding an external terminal of the plurality of external terminals; and a plurality of openings penetrating the walls in a thickness direction, wherein the insulating cap includes a top wall formed into a substantially rectangular shape, as viewed on a plane, in parallel to a top surface of the electric cell, a first end wall extending from the top wall along a first end surface of the electric cell, a second end wall extending toward the top surface of the electric cell, and first and second side walls extending along first and second side surfaces of the electric cell, respectively, and wherein the openings in the insulating cap are formed on the first end wall and the first and second side walls.