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. 11, 2012
Filed:
Mar. 31, 2008
Applicants:
Tomoyo Ooyama, Fukushima, JP;
Yukifumi Takeda, Fukushima, JP;
Masanori Soma, Fukushima, JP;
Hideki Nakai, Fukushima, JP;
Inventors:
Tomoyo Ooyama, Fukushima, JP;
Yukifumi Takeda, Fukushima, JP;
Masanori Soma, Fukushima, JP;
Hideki Nakai, Fukushima, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/58 (2010.01); H01M 4/64 (2006.01); H01M 4/72 (2006.01); H01M 4/82 (2006.01); H01M 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cathode active material has: a lithium composite oxide which contains the highest proportion of nickel among constituent metal elements except lithium; and a phosphorus compound which is contained near the surface of the lithium composite oxide, a cathode including the cathode active material, and a method for manufacturing the cathode.