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Citation: Liu Shulan, Yu Delong, Qin Qixian. Investigation on the PbO₂-WC Composite Anode[J]. Chinese Journal of Applied Chemistry, ;1995, 12(5): 46-49. shu

Investigation on the PbO₂-WC Composite Anode

Department of Applied Chemistry, Tianjin University, Tianjin 300072

Received Date: 27 December 1994
Revised Date: 6 April 1995

PbO₂-WC composite electrode formed by dispersion of WC particles in PbO₂ was prepared by using composite electrodeposition technique. The crystallographic structure and performance of anodic oxygen evolution reaction in sulfuric acid medium of the composite electrode were studied. The results show that,as compared with the PbO₂ electrode contain-ing no WC particles,the PbO₂-WC composite electrode is smaller in crystal grain and more compact in structure,its α-PbO₂ content is higher and crystallites are preferentially orientat-ed. Electrocatalytic activity for oxygen evolution reaction in 0.5mol/L H₂SO₄ solution of the composite electrode is increased nearly by one-fold. Chemical stability and electrochemical stability of the composite coating are excellent.
- PbO₂2,
- WC,
- composite electrode,
- oxygen evolution,
- electrocatalysis
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Investigation on the PbO₂-WC Composite Anode