公开(公告)号：US20230291038A1

公开(公告)日：2023-09-14

申请号：US18018509

申请日：2021-07-29

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Shota NORIMINE ,  Hirotka OGINO ,  Shinya GESHI ,  Toshiya GOTOU ,  Shoichiro WATANABE ,  Shingo KUME

IPC: H01M50/105 ,  H01G11/26 ,  H01G11/10 ,  H01G11/80 ,  H01G11/78 ,  H01M50/538 ,  H01M50/186 ,  H01M50/291 ,  H01M50/184

CPC classification number: H01M50/105 ,  H01G11/26 ,  H01G11/10 ,  H01G11/80 ,  H01G11/78 ,  H01M50/538 ,  H01M50/186 ,  H01M50/291 ,  H01M50/184

Abstract: An energy storage apparatus includes: a plurality of electrode assemblies that are cylindrical, and a film outer body including a plurality of housing portions that individually wrap the plurality of electrode assemblies; and a sealing portion that seals each housing portion and connects the plurality of housing portions to each other. The film outer body is bent or curved between the housing portions adjacent each other to extend in a zigzag manner.