Title:
POWER STORAGE ELEMENT AND NEGATIVE ELECTRODE FOR POWER STORAGE ELEMENTS
Document Type and Number:
WIPO Patent Application WO/2022/163422
Kind Code:
A1
Abstract:
One embodiment of the present invention is a power storage element which is provided with a negative electrode that comprises a negative electrode base material and a negative electrode active material layer which is directly or indirectly superposed on at least one surface of the negative electrode base material, wherein the negative electrode active material layer contains solid graphite particles having a median diameter D1, hollow graphite particles having a median diameter D2 which is larger than that of the solid graphite particles, and a conductive agent that is composed of fibrous carbon.
Inventors:
OGI KENTA (JP)
KUMABAYASHI KEI (JP)
KUMABAYASHI KEI (JP)
Application Number:
PCT/JP2022/001504
Publication Date:
August 04, 2022
Filing Date:
January 18, 2022
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01M4/587; H01G11/42; H01M4/133; H01M4/62
Domestic Patent References:
| WO2020213628A1 | 2020-10-22 | |||
| WO2012067102A1 | 2012-05-24 | |||
| WO2015152113A1 | 2015-10-08 | |||
| WO2017221895A1 | 2017-12-28 |
Foreign References:
| JP2018014319A | 2018-01-25 | |||
| JP2004146292A | 2004-05-20 |
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