Title:
蓄電装置
Document Type and Number:
Japanese Patent JP7115013
Kind Code:
B2
Abstract:
To provide a power storage device capable of restraining breakdown of an end member.SOLUTION: In a power storage device 10 including one or more power storage elements 100, and an end member 300 placed on a first direction side of an end power storage element 100a located at the first direction side end of the one or more power storage elements 100, the end member 300 has first swollen parts 320, 330 swelling in the first direction, and a second swollen part 340 placed closer to the central part side of the end power storage element 100a than the first swollen parts 320, 330, and swelling in the first direction. In the second swollen part 340, the second sidewall 342, i.e., the sidewall in the direction intersecting the first direction, is placed while inclining in the first direction more than the first sidewalls 322, 332, i.e., the sidewalls of the first swollen parts 320, 330 on the side intersecting the first direction.SELECTED DRAWING: Figure 6
Inventors:
Tsukasa Fujimoto
Application Number:
JP2018081377A
Publication Date:
August 09, 2022
Filing Date:
April 20, 2018
Export Citation:
Assignee:
Gs Yuasa Co., Ltd.
International Classes:
H01M50/262; H01G2/02; H01G11/10; H01M50/209
Domestic Patent References:
| JP2018026271A | ||||
| JP2016054130A | ||||
| JP2016031897A | ||||
| JP2007042648A |
Foreign References:
| WO2017159783A1 |
Attorney, Agent or Firm:
Masaki Nakahara