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. 19, 2013
Filed:
Oct. 08, 2008
Applicants:
Yasuhiro Yoneda, Kawasaki, JP;
Katsusada Motoyoshi, Kawasaki, JP;
Yukiko Wakino, Kawasaki, JP;
Kensuke Yoshida, Kawasaki, JP;
Inventors:
Yasuhiro Yoneda, Kawasaki, JP;
Katsusada Motoyoshi, Kawasaki, JP;
Yukiko Wakino, Kawasaki, JP;
Kensuke Yoshida, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/416 (2006.01);
U.S. Cl.
CPC ...
Abstract
A measuring method of a battery includes the step of measuring frequency characteristics of an internal impedance of the battery by an AC impedance method, and determining a parameter of an element representing ease of mobility of charges on a surface of a positive electrode of the battery and that of an element representing the ease of mobility of charges on the surface of a negative electrode.