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Free keywords:
Hydrogen purification; Fuel cell; Preferential CO oxidation; PROX; Ceria; High pressure XPS;
CO removal for fuel cell applications
Abstract:
The preferential CO oxidation in H2 (PROX) was investigated on Pt/CeO2 catalyst by high-pressure XPS, in-situ DRIFTS and HRTEM techniques, gaining information on the oxidation states and microstructure of the catalysts, as well as on the surface species present during catalytic turnover. A model is built up explaining mechanistic details of the reaction.