Method for the preparation of an electrocatalyst

Details Method for the preparation of an electrocatalyst Method for the preparation of an electrocatalyst

1976-04-19

1977-06-21

Mack, John H.

Chemistry: electrical current producing apparatus, product, and

Having earth feature

H01M 400

Patent

active

040312925

ABSTRACT:
Electrocatalysts which may be used in the preparation of electrodes for electrochemical cells such as fuel cells comprising a refractory inorganic oxide having a carbonaceous pyropolymer forming at least a monolayer on the refractory oxide, the surface of said pyropolymer having at least one catalytically active metal impregnated thereon may be prepared by treating a refractory inorganic oxide with a pyrolyzable organic compound to form at least a monolayer of a carbonaceous pyropolymer on the surface of said refractory inorganic oxide, thereafter impregnating the resulting composite with a complex of a soluble salt of at least one catalytically active metal and a sulfur-containing carboxylic acid, heating the impregnated composite to remove the solvent, reducing the dried composite and thereafter recovering the resultant electrocatalyst.

REFERENCES:
patent: 3881957 (1975-05-01), Hausler

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