Au–Co 3 O 4 /C as an Efficient Electrocatalyst for the Oxygen Evolution Reaction

Carbon black that is introduced into Co 3 O 4 will reduce the overpotential of the oxygen evolution reaction. By adding Au, the Co 3 O 4 /C catalyst exhibits superior electrochemical activity and excellent stability for the oxygen evolution reaction. The catalyst with a weight ratio of Au to Co 3 O...

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Bibliographic Details
Published in:ChemPlusChem (Weinheim, Germany) Germany), 2014-11, Vol.79 (11), p.1569-1572
Main Authors: Li, Zhuo‐ying, Ye, Kai‐hang, Zhong, Qi‐sui, Zhang, Chan‐juan, Shi, Shu‐ting, Xu, Chang‐wei
Format: Article
Language:English
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Summary:Carbon black that is introduced into Co 3 O 4 will reduce the overpotential of the oxygen evolution reaction. By adding Au, the Co 3 O 4 /C catalyst exhibits superior electrochemical activity and excellent stability for the oxygen evolution reaction. The catalyst with a weight ratio of Au to Co 3 O 4 of 1:3 gives the best performance. After loading with Au, the binding energy value of Co 2p has a positive shift, which will increase formation of Co IV cations of the active centers.
ISSN:2192-6506
2192-6506
DOI:10.1002/cplu.201402136