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Updated: Mar 14, 2026

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

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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Cobalt phosphide nanowall array as an efficient 3D catalyst electrode for methanol electro-oxidation.

Danni Liu¹, Wenbo Lu, Kunyang Wang

¹Department of Chemistry and Chemical Engineering, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, People's Republic of China. College of Chemistry, Sichuan University, Chengdu 610064, Sichuan, People's Republic of China.

|September 28, 2016

Summary

A novel cobalt phosphide nanowall array catalyst electrode efficiently oxidizes methanol in alkaline conditions. This advanced catalyst demonstrates high current density and excellent stability for electrochemical applications.

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Area of Science:

Electrochemistry
Materials Science
Catalysis

Background:

Methanol electro-oxidation is crucial for energy conversion technologies.
Developing efficient and stable electrocatalysts is essential for alkaline conditions.

Purpose of the Study:

To investigate cobalt phosphide nanowall array on conductive carbon cloth (CoP NA/CC) as a catalyst electrode.
To evaluate its performance for methanol electro-oxidation in alkaline media.

Main Methods:

Fabrication of CoP NA/CC catalyst electrode.
Electrochemical testing of methanol electro-oxidation using cyclic voltammetry and chronoamperometry.
Stability assessment through repeated cycling in alkaline electrolyte.

Main Results:

The CoP NA/CC electrode achieved a high current density of 96 mA cm(-2) for 0.5 M methanol oxidation at 0.5 V vs SCE in 1 M KOH.
The electrode exhibited remarkable stability, retaining 93% of its initial activity after 1000 cycles.

Conclusions:

CoP NA/CC is a highly efficient and stable electrocatalyst for methanol oxidation in alkaline environments.
This material shows significant promise for applications in alkaline direct methanol fuel cells.