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. 16, 1998
Filed:
Feb. 22, 1996
Applicant:
Inventors:
Masahiko Inoue, Kanagawa, JP;
Tomoyuki Tada, Kanagawa, JP;
Assignee:
Tanaka Kikinzoku Kogyo K.K., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 42 ; 429 30 ; 429 42 ; 502182 ;
Abstract
Disclosed herein are electrode composition material for a polymer electrolyte fuel cell and a process of preparing same. The electrode composition material includes agglomerates composed of catalyst-loading particles coated with or not coated with ion exchange resin having two particle distribution peaks. The electrode composition material having the two particle distribution peaks supplements the drawbacks of excessively fine particles and of excessively coarse particles and can obtain the excellent cell performance.