期刊
JOURNAL OF ENERGY CHEMISTRY
卷 71, 期 -, 页码 63-82出版社
ELSEVIER
DOI: 10.1016/j.jechem.2022.03.041
关键词
Carbon dioxide; Cu-based catalysts; Mechanisms; Active site regulation
资金
- National Natural Science Foundation of China [22005215, 22090031]
- Hebei Province Innovation Ability Promotion Project [20544401D, 20312201D]
This review summarizes the recent progress in the mechanistic studies of Cu-based catalysts for the reduction of CO2 to C-2 products. The key strategies for enhancing the electrocatalytic performance of Cu-based catalysts, including tuning electronic structure, surface structure, and coordination environment, are focused on. The correlation between the structural characteristics of Cu-based catalysts and their activity and selectivity to C-2 products is discussed.
Electrochemical reduction of CO2 (CO2RR) to high value-added chemicals is an effective way to remove excess CO2 from the atmosphere. Due to the unique propensity of Cu for valuable hydrocarbons, Cu-based electrocatalysts are the most potential catalysts that allow the conversion of CO2 into a variety of C-2 products such as ethylene and ethanol. Rational design of Cu-based catalysts can improve their directional selectivity to C-2 products. Hence, in this review, we summarize the recent progress in the mechanistic studies of Cu-based catalysts on reducing CO2 to C-2 products. We focus on three key strategies for efficiently enhancing electrocatalytic performance of Cu-based catalysts, including tuning electronic structure, surface structure, and coordination environment. The correlation between the structural characteristics of Cu-based catalysts and their activity and selectivity to C-2 products is discussed. Finally, we discuss the challenges in the field of CO2 electroreduction to C-2 products and provide the perspectives to design efficient Cu-based catalysts in the future. (c) 2022 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press All rights reserved.
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