A new titanium dioxide-supported polyaniline iron catalyst exhibits improved catalytic activity for oxygen reduction when compared to traditional carbon-supported materials. With prohibitive costs of current platinum-based catalysts used in polymer electrolyte fuel cells this new catalyst material might be the cheaper alternative.
Piotr Zelenay, Gang Wu and co-workers at Los Alamos National Laboratory and a collaborator from the University of South Carolina, published their findings in ChemComm.
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