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:
Nov. 07, 2017
Filed:
Sep. 22, 2013
Applicant:
Toray Industries, Inc., Chuo-ku, Tokyo, JP;
Inventors:
Peiyu Sun, Shanghai, CN;
Zhenqi Wu, Shanghai, CN;
Gangqiao Liu, Shanghai, CN;
Gang Wu, Shanghai, CN;
Eiichiro Tamaki, Shiga, JP;
Yasuo Kubota, Shiga, JP;
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/04 (2006.01); C01B 31/02 (2006.01); H01M 4/96 (2006.01); B82Y 30/00 (2011.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); C01B 31/04 (2006.01); H01M 4/58 (2010.01);
U.S. Cl.
CPC ...
H01M 4/625 (2013.01); C01B 31/043 (2013.01); C01B 31/0438 (2013.01); H01M 4/5825 (2013.01); H01M 4/623 (2013.01); H01M 10/0525 (2013.01); C01B 2204/04 (2013.01); C01B 2204/32 (2013.01);
Abstract
In order to prepare highly conductive and highly dispersible graphene and obtain an electrode for a lithium ion battery with good output characteristics and cycle characteristics, there is provided a graphene composition containing thiourea, the element ratio of sulfur to carbon being 0.04 or more and 0.12 or less in X-ray photoelectron spectroscopy measurement.