Related Experiment Video
Updated: Dec 28, 2025
10:15
Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts
Published on: November 7, 2025
305
Ni2P/rGO/NF Nanosheets As a Bifunctional High-Performance Electrocatalyst for Water Splitting
Jinyu Huang1, Feifei Li1, Baozhong Liu1
1College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China.
Materials (Basel, Switzerland)
|February 12, 2020
Summary
A novel nickel phosphide catalyst (Ni2P/rGO/NF) efficiently splits water for hydrogen production. This bifunctional catalyst demonstrates high activity and stability, showing commercial feasibility for clean energy applications.
Area of Science:
- Materials Science
- Electrochemistry
- Catalysis
Background:
- Water splitting for hydrogen generation is limited by high anode potentials.
- Developing efficient bifunctional catalysts is crucial for overcoming these limitations.
Purpose of the Study:
- To synthesize and characterize a highly efficient bifunctional catalyst, Ni2P/rGO/NF, for hydrogen and oxygen evolution reactions.
- To evaluate the electrochemical performance and stability of the synthesized catalyst.
Main Methods:
- Hydrothermal and calcination approaches for catalyst synthesis.
- Characterization using Raman, XRD, XPS, TEM, SEM, and elemental mapping.
- Electrochemical testing in a two-electrode electrolyzer setup.
Main Results:
- Ni2P/rGO/NF exhibits excellent bifunctional activity for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER).
- The catalyst requires a low voltage of 1.676 V to drive 10 mA/cm² current density, comparable to commercial catalysts.
- Sustained current density for over 30 hours demonstrates high stability.
Conclusions:
- Ni2P/rGO/NF is a promising bifunctional catalyst for efficient water splitting.
- The catalyst's high activity and stability indicate significant commercial potential for hydrogen production.
