Patent ID: 8580427
Filing Date: 2013-11-12
Classification: H01M,Y02E

Abstract:
1. An assembled battery comprising: a first electrical cell that includes an electrode terminal; a second electrical cell that includes an electrode terminal and is positioned next to the first electrical cell; and a connection member that connects the electrode terminals of the first and the second electrical cells to each other, wherein each of the electrode terminals of the first and the second electrical cells is formed in tapered pillar shape of which the width decreases from the front end thereof toward a battery case, and includes a groove, shaped from the front end toward the battery case and dividing at least a portion of the front end into a plurality of segmented portions, and a recessed portion formed at the outer peripheral surface thereof, and wherein the connection member includes a through-hole in order that the electrode terminal having the segmented portions moved close to each other is inserted and fitted to the recessed portion.