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:
Nov. 27, 2012
Filed:
Jul. 23, 2007
Applicants:
Hideki Nakai, Fukushima, JP;
Atsumichi Kawashima, Fukushima, JP;
Akinori Kita, Fukushima, JP;
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01); H01M 4/13 (2010.01); H01M 4/66 (2006.01); H01M 4/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A positive electrode having a positive-electrode active material and used for a nonaqueous electrolyte cell is provided. The positive electrode includes a coating, wherein the coating contains at least one first compound for which a binding-energy peak in a phosphorus 2p spectrum obtained by X-ray photoelectron spectroscopy is in the range of 132 to 135 eV.