Issue 15, 2021

Constructing single Cu–N3 sites for CO2 electrochemical reduction over a wide potential range

Abstract

A Cu–N-doped carbon nanotube with an unsaturated coordination Cu atom (Cu–N3) was fabricated and it exhibited over 90% CO faradaic efficiency (FE) in a wide potential range from −0.42 to −0.92 V. The maximum CO FE can reach 98.7% with a high CO partial current density of 234.3 mA cm−2 in a flow cell. Theoretical calculations elucidated that the Cu–N3 site facilitated the formation of COOH*, thereby accelerating the CO2 electrochemical reduction.

Graphical abstract: Constructing single Cu–N3 sites for CO2 electrochemical reduction over a wide potential range

Supplementary files

Article information

Article type
Communication
Submitted
31 mai 2021
Accepted
30 juin 2021
First published
30 juin 2021

Green Chem., 2021,23, 5461-5466

Constructing single Cu–N3 sites for CO2 electrochemical reduction over a wide potential range

J. Feng, L. Zheng, C. Jiang, Z. Chen, L. Liu, S. Zeng, L. Bai, S. Zhang and X. Zhang, Green Chem., 2021, 23, 5461 DOI: 10.1039/D1GC01914G

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