公开(公告)号：US20180287124A1

公开(公告)日：2018-10-04

申请号：US15763427

申请日：2016-09-27

Applicant: GS Yuasa International Ltd

Inventor： Hirokazu KAMBAYASHI ,  Kazuto MAEDA

IPC: H01M2/26 ,  H01G9/048 ,  H01G9/08 ,  H01G9/00 ,  H01M10/0585 ,  H01M2/04

CPC classification number: H01M2/26 ,  H01G9/0029 ,  H01G9/048 ,  H01G9/08 ,  H01G11/74 ,  H01G11/76 ,  H01G11/84 ,  H01M2/0426 ,  H01M2/0469 ,  H01M2/0473 ,  H01M2/263 ,  H01M10/0585 ,  Y02E60/13 ,  Y02T10/7022

Abstract: An energy storage device includes: an electrode assembly formed by stacking plates; and a first conductive member welded to one of both surfaces of a converged portion on an end portion of the electrode assembly without covering the converged portion from an end portion side, wherein a welding surface of a welded portion where the electrode assembly and the first conductive member are welded to each other is disposed at a position recessed from an outer surface of the first conductive member.

公开(公告)号：US20180069227A1

公开(公告)日：2018-03-08

申请号：US15697245

申请日：2017-09-06

Applicant: GS Yuasa International Ltd.

Inventor： Kazuto MAEDA ,  Hirokazu KAMBAYASHI ,  Shohei YAMAO

IPC: H01M2/30 ,  H01M2/04 ,  H01M2/06 ,  H01M10/04 ,  H01M10/0525

CPC classification number: H01M2/30 ,  H01M2/0473 ,  H01M2/06 ,  H01M2/22 ,  H01M10/0431 ,  H01M10/0525 ,  H01M2220/20

Abstract: An energy storage device including: an electrode assembly having a body portion and a first tab portion projecting from the body portion; and a container housing the electrode assembly, wherein a first current collector electrically connected to the first tab portion or the first tab portion, and the container have a swaged joint portion having a concavo-convex structure projecting toward the other side from one side.