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Method for making catalysts for fuel cell oxygen electrodes

Abstract: A method for making a catalyst having catalytically active material supported on a carrier matrix. The catalytically active material may be a mixed-valence, nanoclustered oxide(s), an organometallic material or a combination thereof. In one method, a metal salt solution is combined with a metal complexing agent to form a metal complex. The metal complex is then combined with a suspension that includes a carrier matrix and the system is subjected to ultrasonic agitation. A base is then added to induce a controlled crystallization of a catalytic nanocluster metal material onto the carrier matrix. The supported catalytic material is particularly useful for catalyzing oxygen reduction in a fuel cell, such as an alkaline fuel cell. ...

USPTO Applicaton #: #20060252635 - Class: 502101000 (USPTO) - 11/09/06 - Class 502

Related Patent Categories: Catalyst, Solid Sorbent, Or Support Therefor: Product Or Process Of Making, Catalyst Or Precursor Therefor, Making Catalytic Electrode, Process Only
The Patent Description & Claims data below is from USPTO Patent Application 20060252635, Method for making catalysts for fuel cell oxygen electrodes.

Agita Agitation Complex I Organometallic Salt Solution Valence

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