公开(公告)号：US12183929B2

公开(公告)日：2024-12-31

申请号：US17281897

申请日：2019-10-04

Applicant: GS Yuasa International Ltd.

Inventor： Satoru Kawakami ,  Hironori Aida ,  Koki Maeda ,  Yudai Kato

IPC: H01M4/64 ,  H01M4/04 ,  H01M50/538 ,  H01M50/543 ,  H01M10/0525 ,  H01M50/531

Abstract: An energy storage device includes a positive electrode terminal, an electrode assembly, and a positive electrode current collector connecting the positive electrode terminal and the electrode assembly, in which the positive electrode current collector has a terminal connecting portion connected to the positive electrode terminal, an electrode connecting portion connected to the electrode assembly in the first direction, and an intermediate portion connecting the terminal connecting portion and the electrode connecting portion, the intermediate portion is arranged at a position overlapping the terminal connecting portion when viewed in the first direction, and the electrode connecting portion and the terminal connecting portion are arranged on one side of the intermediate portion in the first direction.