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:
Jul. 08, 2014
Filed:
Mar. 13, 2008
Applicants:
Taisuke Yamamoto, Nara, JP;
Kazuya Iwamoto, Osaka, JP;
Yasutaka Kogetsu, Osaka, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 5/12 (2006.01); C23C 14/16 (2006.01); H01M 4/134 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
Abstract
The negative electrode for a lithium secondary battery includes: a current collectorhaving a plurality of bumpson a surface thereof; a first active material layer formed on the current collector; and a second active material layerdisposed on the first active material layerand including a plurality of active material particles. Each of the plurality of active material particlesis located on a corresponding bumpof the current collector, and each of the first active material layerand the plurality of active material particleshas a chemical composition represented as SiO(0<x<1).