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. 02, 2018
Filed:
Sep. 05, 2014
Applicant:
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Inventors:
Takayuki Fukasawa, Kanagawa, JP;
Kenji Essaki, Kanagawa, JP;
Tomokazu Morita, Chiba, JP;
Takashi Kuboki, Tokyo, JP;
Mitsuhiro Oki, Kanagawa, JP;
Yasuhiro Goto, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Minato-ku, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/62 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/131 (2010.01); H01M 4/136 (2010.01); H01M 4/485 (2010.01); H01M 4/58 (2010.01);
U.S. Cl.
CPC ...
H01M 4/134 (2013.01); H01M 4/131 (2013.01); H01M 4/136 (2013.01); H01M 4/366 (2013.01); H01M 4/386 (2013.01); H01M 4/485 (2013.01); H01M 4/58 (2013.01); H01M 4/62 (2013.01); H01M 4/625 (2013.01); H01M 2220/30 (2013.01);
Abstract
An electrode material for nonaqueous electrolyte secondary battery of an embodiment includes a silicon nanoparticle, and a coating layer coating the silicon nanoparticle. The coating layer includes an amorphous silicon oxide and a silicon carbide phase. At least a part of the silicon carbide phase exists on a surface of the silicon nanoparticle.