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:
Feb. 17, 2009
Filed:
Dec. 22, 2004
Applicants:
Hideharu Satoh, Ibaraki, JP;
Masakazu Yokomizo, Ibaraki, JP;
Tadashi Ishihara, Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2006.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A negative electrode for a nonaqueous electrolyte secondary battery having a small surface film resistance and a high negative electrode strength, wherein the negative electrode includes a collector and an active material layer formed thereon, wherein the active material layer contains an active material and a binder composition, wherein the active material is a material in which metal oxide fine particles having an average particle diameter of 250 nm or less are attached to the surface thereof, and wherein the binder composition contains a binder having an olefinic unsaturated bond.