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:
Jul. 14, 2020
Filed:
Jan. 13, 2016
Applicants:
Nec Corporation, Tokyo, JP;
University of Hyogo, Hyogo, JP;
Inventors:
Assignees:
NEC Corporation, Tokyo, JP;
University of Hyogo, Hyogo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/587 (2010.01); H01M 4/133 (2010.01); H01M 4/1393 (2010.01); H01M 4/04 (2006.01); H01G 11/22 (2013.01); H01G 11/32 (2013.01); H01G 11/38 (2013.01); C01B 32/20 (2017.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/587 (2013.01); C01B 32/20 (2017.08); H01G 11/22 (2013.01); H01G 11/32 (2013.01); H01G 11/38 (2013.01); H01M 4/0471 (2013.01); H01M 4/133 (2013.01); H01M 4/1393 (2013.01); H01M 4/366 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract
An anode material for a lithium ion battery, comprising an oxygen-containing carbon where oxygen is in the form of functional groups, the oxygen being distributed gradient from the surface to the inside of the carbon, and the carbon having an interlayer space dlarger than 0.3357 nm; and a porous graphene layer covering the oxygen-containing carbon, the graphene being in the form of monolayer or few-layer graphene.