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Updated: Apr 14, 2026
Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
Reduced graphene oxide/NiCoP electrocatalysts via a facile synthetic strategy for efficient hydrogen evolution in
Hui Ni1, Zhen Ma1,2, Jianyi Qin1
1School of Materials & Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China. zhaobin@usst.edu.cn.
Abstract:
The development of highly efficient and cost-effective non-precious metal electrocatalysts for the hydrogen evolution reaction (HER) in alkaline solutions remains a significant challenge in green hydrogen production through water electrolysis. Herein, a reduced graphene oxide/nickel-cobalt bimetallic phosphide (rGO/NiCoP) catalyst was fabricated on carbon cloth by ultrasonic spraying of a rGO/metal oxide precursor (rGO/NiCoOx) and subsequent plasma phosphidation. Benefiting from the bimetallic synergy and the interfacial coupling between rGO and active NiCoP, the composite electrocatalyst achieves a current density of -10 mA cm-2 at an overpotential of just 36.1 mV, along with remarkable stability over 200 hours. Additionally, the rGO/NiCoP‖RuO2 electrolyzer requires only 1.53 V to drive a current density of 10 mA cm-2 and demonstrates satisfactory stability during 60 hours of continuous operation. This work provides a novel and scalable approach for the fabrication of high-performance transition metal phosphide electrocatalysts for HER applications.
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