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Selectivity loss of Pt/CeO2 PROX catalysts at low CO concentrations: mechanism and active site study

Christopher S. Polster,Rong Zhang,Michael T. Cyb,Jeffrey T. Miller,Chelsey D. Baertsch

Journal of Catalysis（2010）

Cited 45|Views4
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Abstract
A dual pathway mechanism for CO and H2 oxidation on Pt/CeO2 is proposed and evaluated. Reaction selectivity depends heavily on the prevalent dominant pathway.
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Key words
Platinum,Ceria,Pt/CeO2,PROX,Active site density,Anaerobic reaction,Anaerobic titration,CO oxidation,H2 oxidation,Redox mechanism
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