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Citation: XU Hong-Yan, WU Hua-Qiang, XU Dong-Mei, WANG Qian-Yi. Glass Carbon Electrode Modified with Nanocrystalline Nickel-decorated Carbon Nanotubes and Its Electrocatalysis of Methanol Oxidation in Alkaline Solution[J]. Chinese Journal of Applied Chemistry, ;2007, 24(5): 503-506. shu

Glass Carbon Electrode Modified with Nanocrystalline Nickel-decorated Carbon Nanotubes and Its Electrocatalysis of Methanol Oxidation in Alkaline Solution

1.
College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000

Corresponding author: WU Hua-Qiang,
Received Date: 2 July 2006
Available Online: 26 September 2006
Fund Project: 国家自然科学基金资助项目(20271002) (20271002)安徽省自然科学基金资助项目(070414179) (070414179)

Nanocrystalline nickel with an average diameter of about 16 nm and a face-centered cubic (fcc) structure were uniformly attached to the surface of multi-wall carbon nanotubes by wet chemistry,and the product was characterized by X-ray power diffraction and transmission electron microscopy.A glass carbon electrode modified with the nickel-decorated carbon nanotubes (MWCNTs-Ni/GCE) was prepared.The electrochemical behavior of the MWCNTs-Ni/GCE and the electrocatalytic oxidation of methanol at the MWCNTs-Ni/GCE were investigated by means of cyclic voltammetry in 1.0 mol/L NaOH solution.The cyclic voltammetry showed the electron transfer of β-Ni(OH)₂⇋β-NiOOH is mainly a diffusion-controlled quasi-reversible process,and the high catalytic activity of the electrode for the electro-oxidation of methanol in alkaline medium suggests its potential application in alkaline rechargeable batteries and fuel cells.
- carbon nanotube,
- Ni nanoparticles,
- electrocatalytic oxidation,
- methanol
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