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Hayder Jawad Abed

Structure-reactivity relationships in CeO2-supported Cu catalysts : influence of formation, structure and stability of active sites on catalytic performance in preferential CO oxidation (PROX)

Universität Rostock, 10.08.2023

https://doi.org/10.18453/rosdok_id00004693

Abstract: The preferential oxidation (PROX) of CO is an effective and practical strategy to reduce trace amounts of CO to a very low level (< 5 ppm) from the H2-rich stream used as fuel for proton exchange membrane fuel cells. Cu catalysts have been proven to be cheap alternatives to the costly noble metal-based catalysts due to their high activity, selectivity, and stability. However, most of the previous investigations used a higher Cu loading, normally more than 5 wt% preventing any reliable conclusions about the nature of the active sites (Cu single sites, dimmers, clusters and/or nanoparticles).

doctoral thesis   free access