Catalytic Reduction of Oxygen by Metalloporphyrins
Lior Elbaz
Broschiertes Buch

Catalytic Reduction of Oxygen by Metalloporphyrins

Interactions of Metalloporphyrins with Surface Active Sites on Carbon Electrodes and Their Affect on the Catalysis of Oxygen Reduction

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Fuel cells require electrodes with high surface area in order to produce high currents. Conventional fuel cell electrodes consist of carbon powder with a catalyst (Pt in the case of the cathode), and an adsorbed polyelectrolyte (usually Nafion) compressed on carbon paper. In this work, we describe a new concept based on the incorporation of non-noble metal based macrocyclic catalysts in porous electrodes for the oxygen reduction reaction. The non-noble metal based macrocyclic catalysts used in this work are cobalt porphyrins, which have raised a lot of interest in chemical research and have be...