Essential role of oxygen vacancies of Cu-Al and Co-Al spinel oxides in their catalytic activity for the reverse water gas shift reaction

Ali M. Bahmanpour,Florent Héroguel,Murat Kılıç,Christophe J. Baranowski,Pascal Schouwink,Ursula Röthlisberger,Jeremy S. Luterbacher,Oliver Kröcher

Applied Catalysis B: Environmental（2020）

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摘要

•Cu-Al and Co-Al spinel oxides were tested as catalysts for the RWGS.•Higher degree of inversion of spinel increases the oxygen vacancy concentration.•Oxygen vacancies provide additional active sites for CO2 adsorption and activation.•Creating oxygen vacancies through alkaline treatment confirmed the conclusions.

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关键词

CO2hydrogenation,Copper,Spinel,Oxygen vacancy,Cobalt

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