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:
Jun. 05, 2012
Filed:
Feb. 01, 2008
Applicants:
Hideharu Takezawa, Nara, JP;
Takayuki Shirane, Osaka, JP;
Shinya Fujimura, Osaka, JP;
Sadayuki Okazaki, Osaka, JP;
Kazuyoshi Honda, Osaka, JP;
Inventors:
Hideharu Takezawa, Nara, JP;
Takayuki Shirane, Osaka, JP;
Shinya Fujimura, Osaka, JP;
Sadayuki Okazaki, Osaka, JP;
Kazuyoshi Honda, Osaka, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a method for examining a negative electrode of a battery, a total thickness of a current collector and an active material layer is measured. Then, in order to estimate a composition of the active material layer, the total resistivity of the current collector and the active material layer is measured.