Title:
封止部材、蓄電素子及び蓄電素子の製造方法
Document Type and Number:
Japanese Patent JP6915548
Kind Code:
B2
Abstract:
A sealing member (positive electrode first sealing member) disposed between a terminal (positive electrode terminal), which is provided on a case of an energy storage device, and the case or between a current collector (positive electrode current collector), which is electrically connected with the terminal, and the case. The sealing member includes a first surface (bottom surface) which faces the case and a second surface (bottom surface) which is opposite to the first surface and faces the terminal or the current collector. A first protrusion is formed on the first surface, the first protrusion surrounding a shaft portion of the terminal. A second protrusion is formed on the second surface, the second protrusion surrounding the shaft portion of the terminal. A protrusion amount of the first protrusion is different from a protrusion amount of the second protrusion.
Inventors:
Hirokazu Uebayashi
Maeda Norito
Maeda Norito
Application Number:
JP2017559241A
Publication Date:
August 04, 2021
Filing Date:
December 28, 2016
Export Citation:
Assignee:
Gs Yuasa Co., Ltd.
International Classes:
H01M50/176; H01G11/80; H01M50/147; H01M50/184; H01M50/188; H01M50/55; H01M50/553
Domestic Patent References:
| JP2015022936A | ||||
| JP2001135283A |