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:
Mar. 19, 1985
Filed:
Dec. 17, 1982
Applicant:
Inventors:
Hiroyuki Fukuda, Iwaki, JP;
Hisatsugu Kaji, Iwaki, JP;
Hiroto Fujimaki, Tokyo, JP;
Yoichiro Yamanobe, Iwaki, JP;
Masaru Hiruta, Iwaki, JP;
Sigeru Ohmi, Iwaki, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; C01B / ; D01F / ; B29C / ;
U.S. Cl.
CPC ...
502101 ; 264 293 ; 264 295 ; 423449 ; 429 40 ; 429 44 ; 502418 ;
Abstract
An electrode substrate for a fuel cell having a high porosity, a good mechanical strength and electroconductivity and a sharp distribution of pore radii is prepared by a process comprising mixing 30 to 50% by weight of carbon fiber, 20 to 50% by weight of a binder and 20 to 50% by weight of an organic granule, press-shaping the resultant mixture, curing the shaped product and calcinating the cured product.