Preparation and Performances of PbO2 Electrodes Doped with Fe or Co by the Electro-codeposition Method

doi:10.3724/SP.J.1095.2011.00182

Chinese Journal of Applied Chemistry ›› 2011, Vol. 28 ›› Issue (05): 571-575.DOI: 10.3724/SP.J.1095.2011.00182

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Preparation and Performances of PbO₂ Electrodes Doped with Fe or Co by the Electro-codeposition Method

LI Xiaoping^1,2, LU Haiyan^2,3*, REN Xiubin², LI Wei², DAN Yuanyuan², LIN Haibo^2,3

(1.Department of Chemistry,Baicheng Normal College，Baicheng;
2.College of Chemistry,Jilin University,Changchun 130012;
3.Suzhou Nistar Chemical Technology Co.,Ltd,Suzhou 215123)

Received:2010-03-31 Revised:2010-11-15 Published:2011-05-10 Online:2011-05-10

Abstract

Abstract:

Ti/PbO2 electrodes doped with Fe or Co were prepared by an electro-codeposition method. The effects of the Fe or Co on Ti/PbO2 electrodes were investigated by the X-ray diffraction(XRD), scanning electron microscope(SEM) and cyclic voltammetry(CV). Compared with the pure Ti/PbO2 electrode, the morphology of Ti/PbO2 electrode doped with either Fe or Co remained nearly unchanged while their structures and performances were varied. The activities of oxygen evolution reaction(OER) were improved in Co doped electrode. The dissolution, re-deposition or crystalline transforming of PbO2 took place during the electro-reaction process. In addition, the lifetime of the electrodes might be influenced by such dissolution and re-deposition.

Key words: Anode, Catalysis, Oxides, co-deposition, Ti/PbO2

CLC Number:

O646.5

LI Xiaoping1,2, LU Haiyan2,3*, REN Xiubin2, LI Wei2, DAN Yuanyuan2, LIN Haibo2,3. Preparation and Performances of PbO₂ Electrodes Doped with Fe or Co by the Electro-codeposition Method[J]. Chinese Journal of Applied Chemistry, 2011, 28(05): 571-575.

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Preparation and Performances of PbO₂ Electrodes Doped with Fe or Co by the Electro-codeposition Method

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