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:
Sep. 12, 2017
Filed:
Sep. 21, 2011
Applicant:
Akira Nagatomi, Tokyo, JP;
Inventor:
Akira Nagatomi, Tokyo, JP;
Assignee:
DOWA HOLDINGS CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/131 (2010.01); H01M 10/0525 (2010.01); H01M 4/505 (2010.01); H01M 4/485 (2010.01); H01M 4/525 (2010.01); C01G 33/00 (2006.01); C01G 51/00 (2006.01); B82Y 30/00 (2011.01); H01M 4/1391 (2010.01); H01M 4/04 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); B82Y 30/00 (2013.01); C01G 33/00 (2013.01); C01G 51/42 (2013.01); H01M 4/131 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); C01P 2002/52 (2013.01); C01P 2004/61 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C01P 2006/40 (2013.01); C01P 2006/80 (2013.01); H01M 4/0452 (2013.01); H01M 4/1391 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01); Y02T 10/7011 (2013.01);
Abstract
There is provided a lithium-transition metal oxide powder with a coating layer containing lithium niobate formed on a part or the whole part of a surface of a lithium-transition metal oxide particle and having a low powder compact resistance, and a positive electrode active material for a lithium ion battery containing the lithium-transition metal oxide powder. Specifically, there is provided the lithium-transition metal oxide powder composed of a lithium-transition metal oxide particle with a part or the whole part of a surface coated with a coating layer containing lithium niobate, wherein a carbon-content is 0.03 mass % or less.