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Updated: Jun 13, 2025

Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance

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Highly Efficient CoFeP Nanoparticle Catalysts for Superior Oxygen Evolution Reaction Performance.

Abhishek Meena¹, Abu Talha Aqueel Ahmed¹, Aditya Narayan Singh²

¹Division of System Semiconductor, College of AI Convergence, Dongguk University, Seoul 04620, Republic of Korea.

Nanomaterials (Basel, Switzerland)

|September 13, 2024

Summary

New cobalt-iron phosphide nanoparticles (CFP NPs) offer superior performance for the oxygen evolution reaction (OER), a key step in sustainable hydrogen production. These durable catalysts show excellent stability and low energy requirements.

Keywords:

amorphous/crystalline composite non-precious metal catalyst oxygen evolution reaction phosphorization

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Last Updated: Jun 13, 2025

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Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

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Published on: April 10, 2018

Area of Science:

Materials Science
Electrochemistry
Sustainable Energy

Background:

Developing efficient electrocatalysts for the oxygen evolution reaction (OER) is crucial for advancing sustainable hydrogen production.
Current OER catalysts often rely on precious metals or lack long-term stability.

Purpose of the Study:

To synthesize and characterize cobalt-iron phosphide nanoparticles (CFP NPs) as high-performance electrocatalysts for OER.
To evaluate the electrochemical activity and stability of CFP NPs compared to existing catalysts.

Main Methods:

Hydrothermal synthesis followed by phosphorization to create CFP NPs.
Electrochemical characterization including overpotential and stability testing.
Post-reaction analysis of catalyst structure and composition.

Main Results:

CFP NPs exhibited a low overpotential of 284 mV at 100 mA cm⁻² for OER.
The catalyst demonstrated exceptional stability, maintaining performance for over 70 hours.
Structural analysis revealed transformations to cobalt-iron oxides/oxyhydroxides, contributing to enhanced activity and stability.

Conclusions:

CFP NPs present a promising low-cost, non-precious metal alternative for OER catalysis.
The synthesis strategy offers a viable route for designing advanced electrocatalysts for sustainable energy technologies.
Enhanced surface roughness and active sites contribute to the superior long-term stability of CFP NPs.