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:
May. 03, 2016
Filed:
Mar. 14, 2011
Applicants:
Hiroyuki Matsumoto, Kobe, JP;
Takeshi Ogasawara, Kobe, JP;
Naoki Imachi, Kobe, JP;
Inventors:
Assignee:
SANYO Electric Co., Ltd., Daito-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/131 (2010.01); H01M 4/62 (2006.01); H01M 4/1391 (2010.01); H01M 10/052 (2010.01); H01M 10/058 (2010.01); H01M 4/36 (2006.01);
U.S. Cl.
CPC ...
H01M 4/62 (2013.01); H01M 4/131 (2013.01); H01M 4/1391 (2013.01); H01M 4/366 (2013.01); H01M 10/052 (2013.01); H01M 10/058 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01); Y10T 29/49108 (2015.01); Y10T 29/49115 (2015.01);
Abstract
A positive electrode active material with least part of a surface coated with a surface treatment layer composed of a phosphate compound. The phosphate compound contains at least one element selected from the group consisting of neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium.