总结了电还原CO₂为乙烯过程中催化剂的作用机理;从形态控制、缺陷工程、氧化物和合金等形成不同结构或者调整不同组成的铜基催化剂方面,讨论了电催化CO₂还原转化为乙烯产物的催化剂设计策略;最后提出了改进电催化CO₂还原技术的挑战和方向。

The electrochemical reduction reaction of carbon dioxide (CO₂) is an environmentally friendly,and commercially promising method to resolve the energy dilemma and accomplish carbon recycling.To date,with high efficiency and kinetic feasibility,copper-based electrode materials have been widely applied as "star materials" for CO₂ reduction to hydrocarbons.This review firstly focuses on the mechanism of catalysts in the electrochemical reduction reaction of CO₂.Simultaneously,the design strategy about electrocatalytic catalyst for CO₂ reduction to ethylene is summarized on the basis of morphology control,defect engineering,oxide and alloy forming different structure or adjusting different composition of copper catalyst.Finally,challenges and perspectives are proposed for further improvement of CO₂ electrochemical reduction technologies.

卫奕辰(1997-),男,本科生,研究方向为电催化二氧化碳还原,2231951073@qq.com