Title:
POWER STORAGE ELEMENT
Document Type and Number:
Japanese Patent JP2021048052
Kind Code:
A
Abstract:
To provide a power storage element capable of improving the bonding quality between a current collector and an electrode body.SOLUTION: A power storage element 10 including an electrode body 300 and a current collector 400 bonded to the electrode body 300 includes a backing plate 500 to be joined to the electrode body 300 together with the current collector 400 in a state in which the electrode body 300 is sandwiched between the backing plate and the current collector 400, and the backing plate 500 includes a backing plate joint 510 joined to the electrode body 300, an outer peripheral portion 520 arranged around the backing plate joint 510, and a penetrating portion 530 arranged between the backing plate joint 510 and the outer peripheral portion 520 and penetrating the backing plate 500.SELECTED DRAWING: Figure 5
Inventors:
YOSHITAKE SHINSUKE
Application Number:
JP2019170008A
Publication Date:
March 25, 2021
Filing Date:
September 19, 2019
Export Citation:
Assignee:
GS YUASA CORP
International Classes:
H01M50/531; H01G11/74
Domestic Patent References:
| JP2016219274A | 2016-12-22 | |||
| JP2019067762A | 2019-04-25 | |||
| JP2016029627A | 2016-03-03 | |||
| JP2017199651A | 2017-11-02 | |||
| JP2013157232A | 2013-08-15 | |||
| JP2016162544A | 2016-09-05 | |||
| JP2016126898A | 2016-07-11 |
Foreign References:
| WO2014024802A1 | 2014-02-13 |
Attorney, Agent or Firm:
Masaki Nakahara