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2020, Volume 14, Issue 5

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Frontiers of Chemical Science and Engineering >> 2020, Volume 14, Issue 5 doi: 10.1007/s11705-019-1902-4

Mechanistic understanding of Cu-based bimetallic catalysts

. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.. Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300072, China.. School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China.. Key Laboratory for Green Chemical Technology of Ministry of Education, Research and Development Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China

Accepted: 2020-03-24 Available online: 2020-03-24
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Abstract

Copper has received extensive attention in the field of catalysis due to its rich natural reserves, low cost, and superior catalytic performance. Herein, we reviewed two modification mechanisms of co-catalyst on the coordination environment change of Cu-based catalysts: (1) change the electronic orbitals and geometric structure of Cu without any catalytic functions; (2) act as an additional active site with a certain catalytic function, as well as their catalytic mechanism in major reactions, including the hydrogenation to alcohols, dehydrogenation of alcohols, water gas shift reaction, reduction of nitrogenous compounds, electrocatalysis and others. The influencing mechanisms of different types of auxiliary metals on the structure-activity relationship of Cu-based catalysts in these reactions were especially summarized and discussed. The mechanistic understanding can provide significant guidance for the design and controllable synthesis of novel Cu-based catalysts used in many industrial reactions.

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