Catalyst

Details Catalyst Catalyst

1997-10-23

1999-08-17

Bell, Bruce F.

Chemistry: electrical current producing apparatus, product, and

Having earth feature

502325, 502326, 502332, 502334, 502339, 502327, 420466, 420467, 420468, 204293, B01J 2340

Patent

active

059392207

ABSTRACT:
A novel catalyst comprising a Pt--M alloy wherein M is one or more metals selected from the transition metal elements or from Groups IIIA or IVA of the Periodic Table in "Handbook of Chemistry and Physics" 64th Edition, CRC Press, and Y wherein Y is a bronze forming element or an oxide thereof, characterised in that the Pt--M alloy is in intimate contact with Y, and provided that M is not Ru if Y is WO.sub.3 is disclosed and which may be used as a poison tolerant catalyst for use in fuel cells, specifically as the anode of a PEM fuel cell.

REFERENCES:
patent: 4528083 (1985-07-01), LaConti et al.
patent: 4677092 (1987-06-01), Luczak et al.
K. Y. Chen et al., "Anodic Oxidation of Impure H.sub.2 on Teflon-Bonded Pt-Ru/WO.sub.3 /C Electrodes", J. Electrochem Soc., vol. 142, No. 10, 1995, pp. L185-L187 no month available.
L. W. Niedrach et al., "Performance of Carbon Monoxide in Low-Temperature Fuel Cells Containing Oxide Catalyst", Electrochemical Technology, vol. 3, No. 9-10; 1965; pp. 270-275 no month available.
L. W. Niedrach et al., "Catalytic Enhancement of Carbon Monoxide and Reformer Gas Oxidation in Fuel Cells by Sodium Tungsten Bronzes", J. Electrochem Soc. vol. 116, No. 1, 1996, pp. 152-153, no month available.

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