Electrocatalytic carbon dioxide reduction reaction(CO_(2) RR)is a promising method to solve current environment and energy issues.Copper-based catalysts have been widely studied for converting CO_(2) into value-added ...Electrocatalytic carbon dioxide reduction reaction(CO_(2) RR)is a promising method to solve current environment and energy issues.Copper-based catalysts have been widely studied for converting CO_(2) into value-added hy-drocarbon products.Cu monometallic catalyst has been proved to have some shortcomings,including relatively high energy barriers and diverse reaction pathways,leading to low reaction activities and poor product selec-tivity,respectively.Recently copper-based bimetallic tandem catalysts have attracted extensive attentions due to their special catalyst structure,which can be easily regulated to achieve high CO_(2) RR reactivity and product selectivity.With the development of quantum chemistry calculations and spectroscopic characterization methods,deep understandings of CO_(2) RR from the mechanism perspective provide a broad horizon for the design of effi-cient catalysts.This review offers a good summary of reaction mechanisms and product regulation strategies over copper-based bimetallic catalysts,along with a brief discussion on future directions towards their practical applications.展开更多
基金financial support from National Na-ture Science Foundation of China(Nos.22078232 and 21938008)the Science and Technology Major Project of Tianjin(Nos.19ZXNCGX00030 and 20JCYBJC00870)Seed Foundation of Tianjin University(2022XJS-0051).
文摘Electrocatalytic carbon dioxide reduction reaction(CO_(2) RR)is a promising method to solve current environment and energy issues.Copper-based catalysts have been widely studied for converting CO_(2) into value-added hy-drocarbon products.Cu monometallic catalyst has been proved to have some shortcomings,including relatively high energy barriers and diverse reaction pathways,leading to low reaction activities and poor product selec-tivity,respectively.Recently copper-based bimetallic tandem catalysts have attracted extensive attentions due to their special catalyst structure,which can be easily regulated to achieve high CO_(2) RR reactivity and product selectivity.With the development of quantum chemistry calculations and spectroscopic characterization methods,deep understandings of CO_(2) RR from the mechanism perspective provide a broad horizon for the design of effi-cient catalysts.This review offers a good summary of reaction mechanisms and product regulation strategies over copper-based bimetallic catalysts,along with a brief discussion on future directions towards their practical applications.
