Supported platinum quaternary alloy electrocatalyst

Details Supported platinum quaternary alloy electrocatalyst Supported platinum quaternary alloy electrocatalyst

1991-07-26

1993-01-12

Chaudhuri, Olik

Chemistry: electrical current producing apparatus, product, and

Having earth feature

429 44, 502326, H01M 492, B01J 2340

Patent

active

051789710

ABSTRACT:
A platinum alloy electrocatalyst comprising an electrically conductive carrier and a platinum-cobalt-nickel-copper quaternary solid solution alloy dispersed in and deposited on the carrier, composed of 40-70 atomic % of platinum, 9-27 atomic % of cobalt, 9-27 atomic % of nickel and 9-27 atomic % of copper; and an electrode for acid electrolyte fuel cell, comprising said platinum alloy electrocatalyst, a water-repellent binder and an electrically conductive and acid-resistant supporting member to which the electrocatalyst and the binder are bonded.

REFERENCES:
patent: 3468717 (1969-09-01), Waters et al.
patent: 5024905 (1991-06-01), Itoh et al.

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