公开(公告)号：US11588215B2

公开(公告)日：2023-02-21

申请号：US16964136

申请日：2019-01-30

Applicant: GS Yuasa International Ltd.

Inventor： Hirokazu Kambayashi ,  Shohei Yamao ,  Takuya Aoyama

IPC: H01M50/54 ,  H01M50/40 ,  H01M10/0587

Abstract: An energy storage device includes: an electrode assembly; a case that houses the electrode assembly; and a spacer that is a side spacer disposed between the electrode assembly and the case. The spacer has a rear portion disposed to face the electrode-assembly end portion, a side portion extended in a direction along the side surface of the electrode assembly, and a connection that rotatably connects the side portion to the rear portion.