Developing indium-oxide based catalysts for efficient hydrogenation of carbon dioxide to methanol: a mini-review
Yuxin Wang , Na Yang , Zeshan Wang , Dong Tian , Hua Wang , Kongzhai Li
Front. Chem. Sci. Eng. ›› 2025, Vol. 19 ›› Issue (3) : 17
Developing indium-oxide based catalysts for efficient hydrogenation of carbon dioxide to methanol: a mini-review
While the use of fossil fuels has contributed to the progress and development of human society, the huge amount of CO2 is emitted, which has led to the deterioration of the ecological environment. Converting CO2 into valuable methanol is a key strategy for its utilization. In2O3 catalyst has attracted much attention due to its high selectivity and performance in methanol production. This paper reviews the structural characteristics, catalytic sites and pathways of In2O3, and the latest research progress of In2O3-based catalysts in CO2 hydrogenation to methanol. Moreover, the review outlines various strategies to enhance In-based catalysts, including: (I) loading metal particles to promote H2 dissociation, (II) formation of metal-In2O3 interfaces to enhance CO2 adsorption, (III) bimetallic catalysts to improve catalytic kinetics, (IV) combining In2O3 with metal oxides to stabilize surface oxygen vacancies, (V) constructing solid-solution catalysts, and (VI) combining with other catalysts to construct composite catalysts, etc. In2O3-based catalysts have broad application prospects in the field of CO2 hydrogenation to methanol. Through various structural and principle innovations, it is expected to improve the comprehensive performance and provide theoretical guidance for catalyst design.
indium oxide / hydrogenation / carbon dioxide / methanol / catalysis
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Higher Education Press
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