Title:
POWER STORAGE ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/176836
Kind Code:
A1
Abstract:
A power storage element according to one aspect of the present invention comprises a wound-type electrode body having a negative electrode and a positive electrode, and a sealable flat container for accommodating the electrode body. The electrode body has a winding core in the center, the compressive strength of the material constituting the winding core is 55 MPa or more, and the inside of the container is in a state of negative pressure.
Inventors:
SEKIGUCHI TAISEI (JP)
KAWASOE YUDAI (JP)
KAWASOE YUDAI (JP)
Application Number:
PCT/JP2022/005852
Publication Date:
August 25, 2022
Filing Date:
February 15, 2022
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01G11/78; H01G9/00; H01G9/048; H01M10/04; H01M10/052; H01M10/0587
Domestic Patent References:
| WO2016174992A1 | 2016-11-03 |
Foreign References:
| JP2002042854A | 2002-02-08 | |||
| JP2002100326A | 2002-04-05 | |||
| JP2020123434A | 2020-08-13 | |||
| JP2013097988A | 2013-05-20 | |||
| JP2006080072A | 2006-03-23 |
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