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Molecular Catalysis for Utilizing CO2 in Fuel Electro-Generation and in Chemical Feedstock

Department of Science and Environmental Studies, The Education University of Hong Kong, 10 Lo Ping Road, Tai Po, N. T., Hong Kong, China
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Catalysts 2019, 9(9), 760; https://doi.org/10.3390/catal9090760
Received: 25 August 2019 / Accepted: 3 September 2019 / Published: 10 September 2019
(This article belongs to the Special Issue Catalysis and Catalytic Processes for CO2 Conversion)
Processes for the conversion of CO2 to valuable chemicals are highly desired as a result of the increasing CO2 levels in the atmosphere and the subsequent elevating global temperature. However, CO2 is thermodynamically and kinetically inert to transformation and, therefore, many efforts were made in the last few decades. Reformation/hydrogenation of CO2 is widely used as a means to access valuable products such as acetic acids, CH4, CH3OH, and CO. The electrochemical reduction of CO2 using hetero- and homogeneous catalysts recently attracted much attention. In particular, molecular CO2 reduction catalysts were widely studied using transition-metal complexes modified with various ligands to understand the relationship between various catalytic properties and the coordination spheres above the metal centers. Concurrently, the coupling of CO2 with various electrophiles under homogeneous conditions is also considered an important approach for recycling CO2 as a renewable C-1 substrate in the chemical industry. This review summarizes some recent advances in the conversion of CO2 into valuable chemicals with particular focus on the metal-catalyzed reductive conversion and functionalization of CO2. View Full-Text
Keywords: transition metals; catalysis; carbon dioxide transition metals; catalysis; carbon dioxide
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Leung, C.-F.; Ho, P.-Y. Molecular Catalysis for Utilizing CO2 in Fuel Electro-Generation and in Chemical Feedstock. Catalysts 2019, 9, 760.

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