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Issue 4, 2011
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Low-platinum and platinum-free catalysts for the oxygenreduction reaction at fuelcell cathodes

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Abstract

Fuel cell reactions invariably involve an oxygen reduction reaction (ORR) at the cathode, which is one of the main rate-decreasing steps on platinum (Pt)-catalysts in the water formation reaction and energy conversion efficiency in polymer electrolyte membrane fuel cells (PEMFCs). The Pt scarcity and cost have led to the development of alternative catalyst materials for fuel cell applications. This paper reviews ORR catalysts with regard to their classification, mechanism, activity and performances. From conventional Pt-based catalysts to non-noble metal or bio-inspired catalysts, we show how significant progresses were made in ORR catalysis.

Graphical abstract: Low-platinum and platinum-free catalysts for the oxygen reduction reaction at fuel cell cathodes

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Article information


Submitted
27 Oct 2010
Accepted
02 Feb 2011
First published
08 Mar 2011

Energy Environ. Sci., 2011,4, 1238-1254
Article type
Perspective

Low-platinum and platinum-free catalysts for the oxygen reduction reaction at fuel cell cathodes

A. Morozan, B. Jousselme and S. Palacin, Energy Environ. Sci., 2011, 4, 1238
DOI: 10.1039/C0EE00601G

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