Fuel cell for generating electric power

Details Fuel cell for generating electric power Fuel cell for generating electric power

2003-11-03

2009-08-04

Hodge, Robert (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C429S047000, C429S047000

Reexamination Certificate

active

07569302

ABSTRACT:
A cell according to the present invention is a fuel cell for generating an electric power by supplying one electrode with a fuel and the other electrode with an oxidant. In the fuel cell, a catalyst layer is formed on at least one surface of at least one of the one electrode and the other electrode. The catalyst layer is a layer including catalyst particles alone, a layer including a mixture of the catalyst particles and other particles, or a layer of a porous film carrying at least the catalyst particles, and a molecule including an ion-conducting functional group serving as an electrolyte is chemically bonded to a surface of at least one selected from the group consisting of the catalyst particles, the other particles and the porous film. At least one of the electrodes has a thin film electrolyte, a catalyst and an electron conducting substance, thereby suppressing the elution of the electrolyte from the catalyst layer in an electrode part and the accompanying voltage drop.

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