Hydrogen sulfide decomposition cell and catalytic materials...

Details Hydrogen sulfide decomposition cell and catalytic materials... Hydrogen sulfide decomposition cell and catalytic materials...

C - Chemistry, Metallurgy

25

B

204/123, 204/197

C25B 1/00 (2006.01) C10K 1/10 (2006.01) C25B 11/04 (2006.01) H01M 4/90 (2006.01) H01M 8/22 (2006.01)

Patent

CA 1236049

ABSTRACT A catalytic material for electrochemically oxidizing hydrogen sulfide or another sulfur- containing gas is provided to accomplish decompo- sition of the gas. The catalytic materials can be incorporated in an anode for use in a electrolytic cell for removing sulfur from a contaminated use- ful gas to produce useful sulfur products. The catalytic materials also can be incorporated in an anode for a fuel cell wherein hydrogen sulfide or other sulfur-containing gas is utilized as the fuel which is oxidized at the anode to produce electrical energy. The catalytic materials of the present invention are of a disordered multicompo- nent material which includes at least one element selected from the group consisting of transition elements and at least one modifying element se- lected from the group consisting of sulfur and oxygen. The host matrix and substrate can also include a carbon-containing composition.

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