Cathode alloy electrocatalysts

Details Cathode alloy electrocatalysts Cathode alloy electrocatalysts

1985-09-26

1992-01-07

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Having earth feature

429 44, 502325, 502326, H01M 492, B01J 2300

Patent

active

050791079

ABSTRACT:
Ternary alloy electrocatalysts comprising platinum and at least two less noble elements are described. The ternary alloy electrocatalysts when employed in the cathode of a fuel cell utilizing a phosphoric acid electrolyte provide improved oxygen activity and stability in comparison to unalloyed platinum. The cost of the electrocatalysts is also reduced in comparison to an unalloyed platinum electrocatalyst.

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patent: 4186110 (1980-01-01), Jalan et al.
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patent: 4316944 (1982-02-01), Landsman et al.

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