Platinum alloy electrocatalyst and acid-electrolyte fuel cell el

Details Platinum alloy electrocatalyst and acid-electrolyte fuel cell el Platinum alloy electrocatalyst and acid-electrolyte fuel cell el

1987-06-24

1988-12-27

Niebling, John F.

Chemistry: electrical current producing apparatus, product, and

Having earth feature

429 40, 502326, H01M 492

Patent

active

047940549

ABSTRACT:
A platinum alloy electrocatalyst composed of a platinum-iron-cobalt alloy comprising 40 to 80 atomic percent of platinum, 10 to 40 atomic percent of iron and 10 to 40 atomic percent of cobalt supported on a suitable carrier has outstandingly high stability and catalytic activity. Electrodes using such an electrocatalyst (particularly when used as cathodes in acid-electrolyte fuel cells) remain stable for longer periods and have more than 30% higher output than electrodes using conventional catalysts.

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patent: 4202934 (1980-05-01), Jalan et al.
patent: 4297245 (1981-10-01), Bartley et al.
patent: 4316944 (1982-02-01), Landsman et al.
patent: 4359406 (1982-11-01), Fung
patent: 4447506 (1984-05-01), Luczak et al.

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