The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2026
Filed:
Nov. 05, 2020
Applicant:
Gs Yuasa International Ltd., Kyoto, JP;
Inventors:
Assignee:
GS Yuasa International Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/587 (2010.01); H01G 11/26 (2013.01); H01G 11/38 (2013.01); H01G 11/86 (2013.01); H01M 4/02 (2006.01); H01M 4/133 (2010.01); H01M 4/1393 (2010.01);
U.S. Cl.
CPC ...
H01M 4/587 (2013.01); H01M 4/133 (2013.01); H01M 4/1393 (2013.01); H01G 11/26 (2013.01); H01G 11/38 (2013.01); H01G 11/86 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract
An energy storage device according to one aspect of the present invention is an energy storage device including a negative electrode having a negative electrode substrate and a negative active material layer stacked on the negative electrode substrate directly or via another layer, and a nonaqueous electrolyte solution, in which the negative active material layer contains graphite and a solvent-based binder, and the negative active material layer is not subjected to pressing.