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:
Jan. 27, 2026
Filed:
Nov. 22, 2019
Applicant:
Shinshu University, Matsumoto, JP;
Inventors:
Assignees:
SHINSHU UNIVERSITY, Matsumoto, JP;
MEIJO NANO CARBON CO., LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 4/02 (2006.01); H01M 4/587 (2010.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 2004/027 (2013.01);
Abstract
A negative electrode active material for a rechargeable battery of the present invention includes a silicon composite composed of a silicon compound and at least one carbon material of graphite, non-graphitizable carbon, and soft carbon, a self-assembled monolayer which covers the surface of the silicon composite and has amino groups, and a carbon compound that is bonded to the self-assembled monolayer via the amino groups and contains carbon atoms as a main component.