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:
Jun. 23, 2020
Filed:
Oct. 25, 2013
Applicant:
Hitachi Chemical Company Ltd., Tokyo, JP;
Inventors:
Masayuki Kouzu, Hitachi, JP;
Hideyuki Tsuchiya, Hitachi, JP;
Katsutomo Ohzeki, Chiba, JP;
Yoshie Oosaki, Chiba, JP;
Tatsuya Nishida, Hitachi, JP;
Assignee:
HITACHI CHEMICAL COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/131 (2010.01); H01M 4/133 (2010.01); H01M 4/587 (2010.01); H01M 4/62 (2006.01); H01M 4/38 (2006.01); H01M 4/485 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/131 (2013.01); H01M 4/133 (2013.01); H01M 4/386 (2013.01); H01M 4/485 (2013.01); H01M 4/625 (2013.01); H01M 4/364 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract
A negative electrode material for a lithium ion secondary battery including carbon over a part or a whole of a surface of an oxide of silicon, in which the content of the carbon is from 0.5 mass-% to less than 5 mass-%.