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Citation: JIANG Yanyan, CAO Mei, GUO Zhongcheng, CHEN Buming. Preparation and Electrochemical Properties of Electrodeposited Pb-Polyacrylonitrile-WC Composite Coatings on Ti Anode[J]. Chinese Journal of Applied Chemistry, ;2011, 28(3): 308-313. doi: 10.3724/SP.J.1095.2011.00387 shu

Preparation and Electrochemical Properties of Electrodeposited Pb-Polyacrylonitrile-WC Composite Coatings on Ti Anode

1.
a Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093;
2.
b Faculty of Science, Kunming University of Science and Technology, Kunming 650093

Corresponding author: GUO Zhongcheng,
Received Date: 30 June 2010
Available Online: 25 September 2010
Fund Project: 国家自然科学基金资助项目(51004056) (51004056)

Electrodeposited Pb-polyacrylonitrile (PAN) -tungsten carbide (WC) composite coatings on Ti anode were prepared by adding PAN, WC and PbO solid particles in potassium sodium tartrate system. The influences of process conditions such as current density and temperature on the depositing rate and oxygen evolution kinetic parameters of composite coated electrodes were studied. The anodic polarization curves in ZnSO₄-H₂SO₄ system show that the optimal process conditions are:current density of 1.5 A/cm², temperature of 35℃, 15 g/L of PAN in bath and 40 g/L of WC. Comparing oxygen evolution kinetic parameters of composite coated electrodes with anodic polarization curves of pure lead coated electrode, it can be concluded that the electrochemical properties of Pb-PAN-WC composite coating is better.
- Pb-PAN-WC composite coating,
- anodic polarization curves,
- electrodeposition
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