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:
Oct. 15, 2013
Filed:
Mar. 19, 2010
Applicants:
Kiyonori Hinoki, Tokyo, JP;
Kazutoshi Emoto, Tokyo, JP;
Haruka Nishimura, Tokyo, JP;
Masahiro Saegusa, Tokyo, JP;
Inventors:
Kiyonori Hinoki, Tokyo, JP;
Kazutoshi Emoto, Tokyo, JP;
Haruka Nishimura, Tokyo, JP;
Masahiro Saegusa, Tokyo, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01); H01M 4/13 (2010.01);
U.S. Cl.
CPC ...
Abstract
An electrode for a lithium ion secondary battery having a collector, an active-material layer formed on the collector and a protecting layer formed on the active-material layer, in which the protecting layer contains an organic particle formed of poly(methyl methacrylate) having a crosslinked structure, and the organic particle has an average particle size (D50) of 0.5 to 4.0 μm.