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Related Experiment Video

Updated: Feb 24, 2026

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

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

Published on: April 27, 2018

Interface-Engineered Ni(OH)₂ /β-like FeOOH Electrocatalysts for Highly Efficient and Stable Oxygen Evolution

Kaijian Zhu¹, Wenjun Luo¹, Guoxiang Zhu²

¹Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced, Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, P.R. China.

Chemistry, an Asian Journal

|August 11, 2017

Summary

This study introduces an efficient and stable nickel hydroxide/iron oxyhydroxide electrocatalyst for the oxygen evolution reaction (OER). Electroactivation enhances performance, offering a low-cost alternative to expensive catalysts.

Keywords:

electrochemistry interfaces iron nickel surface analysis

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Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

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Published on: December 6, 2021

Area of Science:

Electrochemistry
Materials Science
Catalysis

Background:

Iron-based (oxy)hydroxides are promising electrocatalysts for the oxygen evolution reaction (OER) due to their abundance and low cost.
However, their practical application is limited by poor OER kinetics on the catalyst surface.

Purpose of the Study:

To develop a highly efficient and stable electrocatalyst for the OER using iron oxyhydroxide.
To investigate the role of electroactivation in enhancing the performance of bilayer electrocatalysts.

Main Methods:

Facile electroactivation treatment of a nickel hydroxide/β-like iron oxyhydroxide (Ni(OH)2/β-like FeOOH) composite.
Electrochemical characterization of the electrocatalyst's performance for OER.

Main Results:

The activated Ni(OH)2/β-like FeOOH exhibited an overpotential of 300 mV at 10 mA cm⁻² for OER.
The electrocatalyst demonstrated excellent stability with no current decay after 50 hours of testing.
Performance was comparable to state-of-the-art nickel- and cobalt-based electrocatalysts.

Conclusions:

The metastable tunnel structure of β-like FeOOH facilitates Ni²⁺ ion diffusion, enhancing OER performance during electroactivation.
This work presents a novel strategy for developing efficient, low-cost electrocatalysts and advances understanding of bilayer electrocatalyst mechanisms for OER.