Fuel-cell electrode and method of manufacturing the...

Details Fuel-cell electrode and method of manufacturing the... Fuel-cell electrode and method of manufacturing the...

2005-03-08

2005-03-08

Ryan, Patrick (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C205S264000, C205S257000, C429S047000

Reexamination Certificate

active

06864011

ABSTRACT:
A fuel-cell electrode and a method of manufacturing the fuel-cell electrode achieves a high catalyst utilization ratio and makes it possible to obtain higher output characteristics with a smaller amount of catalyst. The fuel-cell electrode includes a catalytic layer composed of an ion conductive substance, an electron conductive substance and catalytic activation substances. The catalytic activation substances are electrolytically deposited on the electron conductive substance.

REFERENCES:
patent: 5350643 (1994-09-01), Imahashi et al.
patent: 6080504 (2000-06-01), Taylor et al.
patent: 198 37 669 (2000-03-01), None
patent: 100 47 935 (2001-07-01), None
E. J. Taylor et al., “Preparation of High-Platinum-Utilization Gas Diffusion Electrodes for Proton-Exchange-Membrane Fuel Cells”,J. Electrochem. Soc., vol. 139, No. 5, May 1992, pp. L45-L46.

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