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.

Date of Patent:
Nov. 26, 2013

Filed:

Feb. 27, 2008
Applicants:

Katsura Kawata, Gunma, JP;

Takashi Yasuo, Hyogo, JP;

Takahiro Isono, Hyogo, JP;

Yuko Nowatari, Hyogo, JP;

Inventors:

Katsura Kawata, Gunma, JP;

Takashi Yasuo, Hyogo, JP;

Takahiro Isono, Hyogo, JP;

Yuko Nowatari, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2006.01); H01M 4/86 (2006.01); H01M 4/90 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a fuel cell having improved ion conductivity in the catalyst layer. The catalyst layer includes a catalytic metal, a carbon particle, and an ion exchanger. The catalytic metal is carried on the carbon particle. The ion exchanger includes a first functional group capable of being adsorbed or bound to the catalytic metal, and a second functional group providing the ion conductivity. The ion exchanger is adsorbed or bound to the catalytic metal via the first functional group. The bond between the catalytic metal and the ion exchanger includes a covalent bond, a coordinate bond or an ion bond.


Find Patent Forward Citations

Loading…