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. 05, 2004
Filed:
May. 30, 2001
Applicant:
Inventor:
Isao Matsumoto, Osaka-shi, Osaka-fu, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 ; H01M 4/72 ; H01M 4/78 ;
U.S. Cl.
CPC ...
H01M 4/66 ; H01M 4/72 ; H01M 4/78 ;
Abstract
An electrode substrate is formed by mechanically processing a nickel foil so as to be made three dimensional through the creation of concave and convex parts, and then, this substrate is filled with active material or the like so that an electrode is manufactured, wherein the above described concave and convex parts are rolling pressed so as to incline in one direction. Furthermore, an electrode for secondary battery is formed by using the above described method.