Boosting CO2 electroreduction towards C2+ products via CO* intermediate manipulation on copper-based catalysts

Kaisong Xiang; Fenghua Shen; Yingxue Fu; Lin Wu; Zhujiang Wang; Huimin Yi; Xudong Liu; Pingshan Wang; Min Liu; Zhang Lin; Hui Liu

doi:10.1039/D1EN00977J

Boosting CO₂ electroreduction towards C₂₊ products via CO* intermediate manipulation on copper-based catalysts

Kaisong Xiang,

^ab Fenghua Shen,^ac Yingxue Fu,^a Lin Wu,^a Zhujiang Wang,^a Huimin Yi,^a Xudong Liu,^a Pingshan Wang,

^b Min Liu,

^d Zhang Lin

^ac and Hui Liu

*^ac

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* Corresponding authors

^a School of Metallurgy and Environment, Central South University, Changsha 410083, P. R. China
E-mail: leolau@csu.edu.cn

^b School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China

^c Chinese National Engineering Research Center for Control and Treatment of Heavy Metal Pollution, Changsha 410083, P. R. China

^d School of Physics and Electronics, Central South University, Changsha 410083, P. R. China

Abstract

Global warming due to greenhouse gases (GHGs), mainly CO₂, has become a serious concern globally. Accordingly, electrocatalytic CO₂ conversion provides an environment-friendly approach to reduce CO₂ emissions and achieve carbon neutrality. Copper (Cu) is one of the few metal catalysts that can convert CO₂ to high-value multi-carbon products (C₂₊), and thus has received significant attention. In this review, we discuss the manipulation strategies to promote C–C coupling to form C₂₊ from the intermediate product CO* in terms of adsorption capability and configuration, surface coverage, and re-coupling efficiency on copper-based catalysts. In addition, some advanced characterization techniques to investigate the mechanism of C–C coupling in the CO₂ reduction reaction (CO₂RR) are summarized. Finally, the outlooks and future development directions of CO₂RR are highlighted.

This article is part of the themed collections: Environmental Science: Nano Recent Review Articles and SDG13: Climate Action- chemistry of greenhouse gases, 2022

Environmental Science: Nano

Boosting CO₂ electroreduction towards C₂₊ products via CO* intermediate manipulation on copper-based catalysts

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