A class of non-precious metal composite catalysts for fuel cells

Rajesh Bashyam and Piotr Zelenay ()
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Rajesh Bashyam: Materials Physics and Applications
Piotr Zelenay: Materials Physics and Applications

Nature, 2006, vol. 443, issue 7107, 63-66

Abstract: Towards affordable fuel cells Polymer electrolyte membrane fuel cells show potential as a future power source, but they are still too costly for commercial use, in part because they use platinum-based catalysts. Researchers at Los Alamos National Laboratory have now developed a new class of low-cost precious-metal-free catalysts that could eventually lead to more affordable fuel cells. The new materials, cobalt-polypyrrole composites, catalyse the oxygen reduction reaction at the cathode. They are not yet as good as platinum, but they perform reproducibly in H2-O2 fuel cells at high voltages and with good stability.

Date: 2006
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DOI: 10.1038/nature05118

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