Non-Noble Metal Catalyst for Oxygen Reduction Reaction in Acidic Medium

Cobalt based non noble metal catalysts were prepared from heat treated cobalt ethylene diamine complexes adsorbed on carbon. The effect of surface oxygen groups on carbon was studied. Surface oxygen groups on carbon were introduced with HNO3 oxidation. Quinone groups introduced by nitric acid treatm...

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Published in:ECS transactions 2006-06, Vol.1 (6), p.27-39
Main Authors: Popov, Branko N., Kumaraguru, Swaminatha, Subramanian, Nalini P., Colon Mercado, Hector
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Kumaraguru, Swaminatha
Subramanian, Nalini P.
Colon Mercado, Hector
description Cobalt based non noble metal catalysts were prepared from heat treated cobalt ethylene diamine complexes adsorbed on carbon. The effect of surface oxygen groups on carbon was studied. Surface oxygen groups on carbon were introduced with HNO3 oxidation. Quinone groups introduced by nitric acid treatment, in addition to increasing the dispersion of the chelate complexes, play a role in forming the active site for oxygen reduction.
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title Non-Noble Metal Catalyst for Oxygen Reduction Reaction in Acidic Medium
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