Issue 23, 2022

Co–NCNT nanohybrid as a highly active catalyst for the electroreduction of nitrate to ammonia

Abstract

Electrocatalytic nitrate (NO3) reduction has emerged as an attractive dual-function strategy to produce ammonia (NH3) and simultaneously mitigate environmental issues. However, efficient electrocatalysts with high selectivity for NH3 synthesis are highly desired. In this work, we report the Co–NCNT nanohybrid as a highly active electrocatalyst towards NO3-to-NH3 conversion. In 0.1 M NaOH solution containing 0.1 M NO3, the Co–NCNT catalyst is capable of attaining a large NH3 yield of 5996 μg h−1 cm−2 and a high faradaic efficiency of 92% at −0.6 V versus reversible hydrogen electrode. Moreover, it displays excellent electrochemical stability.

Graphical abstract: Co–NCNT nanohybrid as a highly active catalyst for the electroreduction of nitrate to ammonia

Supplementary files

Article information

Article type
Communication
Submitted
13 Jan 2022
Accepted
15 Feb 2022
First published
16 Feb 2022

Chem. Commun., 2022,58, 3787-3790

Co–NCNT nanohybrid as a highly active catalyst for the electroreduction of nitrate to ammonia

J. Chen, Q. Zhou, L. Yue, D. Zhao, L. Zhang, Y. Luo, Q. Liu, N. Li, A. A. Alshehri, M. S. Hamdy, F. Gong and X. Sun, Chem. Commun., 2022, 58, 3787 DOI: 10.1039/D2CC00245K

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