A novel PbO2 electrode preparation and its application in organic degradation

被引：111

作者：

Tong, Shao-Ping ^{[1
]}

Ma, Chun-An ^{[1
]}

Feng, Hui ^{[1
]}

机构：

[1] Zhejiang Univ Technol, State Key Lab Breeding Base Green Chem Synth Tech, Coll Chem Engn & Mat Sci, Hangzhou 310032, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2008年 / 53卷 / 06期

关键词：

lead dioxide; accelerated lifetime; PTFE; 4-chlorophenol; anodic oxidation;

D O I：

10.1016/j.electacta.2007.11.011

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

PTFE (polytetrafluoroethylene)-doped beta-PbO2 (PTFE-beta-PbO2) electrode on Ti base (Ti/PTFE-beta-PbO2) or on ceramic base (ceramic/PTFE-beta-PbO2) was prepared by electrodeposition. Its accelerated lifetime was tested in 9.0 mol/L H2SO4 solution under a current density of 100.0 A dm(-2). The experimental results showed that PTFE-beta-PbO2 electrode had a longer lifetime than common beta-PbO2. PTFE inlayed in beta-PbO2 could weaken the inner stress of the coating and help to get a smoother coating. Ceramic/PTFE-beta-PbO2 electrode had a longer accelerated lifetime (about 1338 h) than Ti/PTFE-beta-PbO2 electrode (about 827 h). The characteristics of ceramic/PTFE-beta-PbO2 anode in treating 4-chlorophenol-contaminated water indicated that it exhibited both good electro-catalytic activity and high electrochemical stability. This electrode has, then, a strong potential for future applications. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：3002 / 3006

页数：5

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