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Updated: Jul 11, 2025

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
Single-atom Cu anchored on Mo2C boosts nitrite electroreduction to ammonia
Guohui Wang1, Ruiyuan Ma2, Nana Zhang1
1School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China. chuk630@mail.lzjtu.cn.
Abstract:
We design single-atom Cu anchored on Mo2C (Cu1/Mo2C) as an effective electrocatalyst towards electrochemical nitrite reduction to ammonia (NO2RR), exhibiting an NH3-faradaic efficiency of 91.5% with a corresponding NH3 yield rate of 472.9 μmol h-1 cm-2 at -0.6 V vs. RHE. Theoretical computations unravel that single-atomic Cu couples with the surface Mo atom of Mo2C to enable the construction of Cu-Mo dual-active centers, which can synergistically activate NO2- and minimize the NO2--to-NH3 reaction energy barrier, whilst suppressing the competing hydrogen evolution reaction.
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