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Updated: Jan 1, 2026

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
Unusual electrochemical N2 reduction activity in an earth-abundant iron catalyst via phosphorous modulation
Xiaojuan Zhu1, Tongwei Wu, Lei Ji
1Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China. xpsun@uestc.edu.cn.
Abstract:
Fe-enabled high-performance ambient electrochemical N2 reduction still remains a big challenge. Here, we report the unusual role of phosphorous in modulating the electrochemical N2 reduction activity of an Fe catalyst. An FeP2 nanoparticle-reduced graphene oxide hybrid (FeP2-rGO) attains a large NH3 yield of 35.26 μg h-1 mgcat.-1 (7.06 μg h-1 cm-2) and a high faradaic efficiency of 21.99% at -0.40 V vs. reversible hydrogen electrode in 0.5 M LiClO4, outperforming the FeP-rGO hybrid (17.13 μg h-1 mgcat.-1; 8.57%). Theoretical calculations reveal that FeP2 possesses decreased catalytic activity for the hydrogen evolution reaction, higher N2 adsorption energy, and a larger number of active sites than FeP.
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