Catalytic CO Oxidation and Preferential CO Oxidation (PROX) II

Dear Colleagues,

This Special Issue will collect recent advances and insights into CO oxidation and PROX. Catalytic CO oxidation is a widely studied reaction, because of its great practical importance in automotive exhaust gas control and in H₂ purification for proton exchange membrane fuel cells. On top of that, CO oxidation is a simple but very useful model reaction for investigating active sites and reaction pathways in various catalyst materials. Of particular interest are the development of three-way-catalysts with low ignition temperatures to reduce automotive emissions during the engine cold start and the improvement of catalysts stability against sintering under the high operating temperatures of the exhaust gas, especially in the presence of moisture. The preferential CO oxidation (PROX) is of interest as H₂ purification technology to obtain CO-free H₂ for hydrogen-powered fuel cells, particularly for small-scale portable and on-board power units. PROX catalysts require high activity, selectivity, and stability.

Topics of interest include metal and metal oxide catalysts, the role of metal/oxide interfaces, mechanistic studies, investigations of the nature of active sites, structure-activity-correlations, in situ/operando spectroscopy, the development and synthesis of new materials, model studies and DFT modeling. Contributions exploring other related topics are also welcome.

Dr. Sharif Najafishirtari
Dr. Karin Föttinger
Guest Editors

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