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Isabela C. Man, Hai-Yan Su, Federico Calle-Vallejo, Dr. Heine A. Hansen, Dr. José I. Martínez, Nilay G. Inoglu, Prof. John Kitchin, Prof. Thomas F. Jaramillo, Prof. Jens K. Nørskov and Jan Rossmeisl Universality in Oxygen Evolution Electrocatalysis on Oxide Surfaces ChemCatChem 3

Article first published online: 16 MAR 2011 | DOI: 10.1002/cctc.201000397

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HOOt-n-HOller: Based on the scaling relations between HO* and HOO* species and on the constant difference of 3.2 eV between the two levels, theoretical overpotential trends towards oxygen evolution reaction (OER) are reported for a wide range of oxides including rutile, perovskites, spinel rock salt, and bixbyte. The theoretical and experimental trends agree. Comparing 3.2 eV with the ideal value of 2.46 eV indicates that limitations exist for OER on oxide-based electrocatalysts.

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