Journal
CHEMPLUSCHEM
Volume 79, Issue 11, Pages 1569-1572Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cplu.201402136
Keywords
cobalt; electrocatalysis; gold; oxygen evolution reaction; supported catalysts
Categories
Funding
- National Natural Science Foundation of China [20903028]
- Scientific Research Foundation for Returned Scholars from Ministry of Education of China
- Scientific Research Foundation for Yangcheng Scholar [10A041G]
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Carbon black that is introduced into Co3O4 will reduce the overpotential of the oxygen evolution reaction. By adding Au, the Co3O4/C catalyst exhibits superior electrochemical activity and excellent stability for the oxygen evolution reaction. The catalyst with a weight ratio of Au to Co3O4 of 1:3 gives the best performance. After loading with Au, the binding energy value of Co2p has a positive shift, which will increase formation of Co-IV cations of the active centers.
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