Citation: Yukai SHEN, Zhaochao YAN, Yangjun ZHOU, Mei HUANG. Nickel foam-supported NiFeP/NiFcDCA heterojunction electrocatalyst for efficient urea oxidation reaction[J]. Chinese Journal of Inorganic Chemistry, ;2026, 42(2): 237-246. doi: 10.11862/CJIC.20250257 shu

Nickel foam-supported NiFeP/NiFcDCA heterojunction electrocatalyst for efficient urea oxidation reaction

College of Chemical and Biochemical Engineering, Zhejiang University, Hangzhou 310058, China

Corresponding author: Mei HUANG, huangm@zju.edu.cn
Received Date: 5 August 2025
Revised Date: 5 November 2025

Figures(8)

A NiFeP/NiFcDCA (FcDCA=1,1′-ferrocene dicarboxylic acid) heterojunction catalyst was loaded on the nickel foam (NF) using a hydrothermal method coupled with vapor-phase deposition phosphorization. Benefiting from the layered stacked heterogeneous nanostructure, abundant active sites, and efficient charge transfer rate, NiFeP/NiFcDCA@NF-350 prepared at a phosphorization temperature of 350 ℃ exhibited excellent urea oxidation reaction (UOR) activity in 1 mol·L^-1 KOH+0.33 mol·L^-1 urea solution. It achieved current densities of 100 and 500 mA·cm^-2 at ultra-low voltages of 1.332 and 1.368 V (vs RHE), respectively. After a 50-hour stability test at a current density of 50 mA·cm^-2, its performance decay was merely 0.54%, demonstrating excellent catalytic selectivity and good stability.
- nickel-based catalyst,
- heterojunction,
- metal-organic framework,
- metal phosphide,
- 1,1′-ferrocene dicarboxylic acid,
- urea oxidation reaction
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