Issue 11, 2024

Co nanoparticle-decorated radix cynanchi daniculati-derived carbon for efficient electrocatalytic nitrite reduction to ammonia

Abstract

The electrocatalytic nitrite (NO2) reduction reaction (NO2RR) is an eco-friendly and sustainable method to remove NO2 pollution under ambient conditions while producing high value-added ammonia (NH3). However, the conversion of NO2 to NH3 is governed by a complex six-electron transfer mechanism, necessitating the development of catalysts that exhibit high efficiency and selectivity. Herein, we report Co nanoparticle-decorated radix cynanchi paniculati-derived carbon (Co@RCPC) as a highly active electrocatalyst for NO2 to NH3 conversion. Co@RCPC attains an excellent faradaic efficiency of 92.77% and an NH3 yield of 1235.62 μmol h−1 cm−2 in alkaline solution. In addition, it also demonstrates superior stability in recycling stability tests and consecutive long-term electrolysis tests.

Graphical abstract: Co nanoparticle-decorated radix cynanchi daniculati-derived carbon for efficient electrocatalytic nitrite reduction to ammonia

Supplementary files

Article information

Article type
Communication
Submitted
23 Mar 2024
Accepted
21 Apr 2024
First published
26 Apr 2024

Catal. Sci. Technol., 2024,14, 3007-3011

Co nanoparticle-decorated radix cynanchi daniculati-derived carbon for efficient electrocatalytic nitrite reduction to ammonia

C. Ma, L. Bao, X. Fan, X. He, X. Liu, W. Chu, A. Farouk, M. S. Hamdy, S. Sun, Q. Li, M. Wu and X. Sun, Catal. Sci. Technol., 2024, 14, 3007 DOI: 10.1039/D4CY00392F

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