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首页> 外文期刊>International Journal of Electrochemical Science >Electrochemical Performance of Doped SnO2 Coating on Ti Base as Electrooxidation Anode
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Electrochemical Performance of Doped SnO2 Coating on Ti Base as Electrooxidation Anode

机译：钛基掺杂SnO 2 涂层作为电氧化阳极的电化学性能

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摘要

The performance of electrode for the electrochemical treatment of organic contaminants was improvedusing Ce-doped Ti/SnO2-Sb electrodes prepared by a thermal deposition method. Cyclic voltammetry(CV) and Amperometric i-t Curve were measured showing an improvement of electrochemical featurefor the Ti/SnO2-Sb-Ce electrode. The electrochemical oxidation performance of the prepared electrodewas investigated using aniline as a model pollutant. The aniline removal of 98.3% was achieved withthe Ti/SnO2-Sb-Ce electrode after 2 h electrolysis while it was only 82.7% for the Ti/SnO2-Sbelectrode. The removal of chemical oxygen demand (COD) was 80.5% on the Ti/SnO2-Sb-Ceelectrode which was also higher than that on the Ti/SnO2-Sb electrode (58.4%). The electrode wascharacterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), electron dispersivespectrometry (EDS), and X-ray photoelectron spectroscopy (XPS). The results show that the coatinghad larger surface area and higher active Oads content due to Ce doping, which could provide withmore active sites for electrochemical oxidation of organic pollutants.
机译：使用通过热沉积法制备的掺Ce的Ti / SnO2-Sb电极可以改善电极对有机污染物的电化学处理性能。测量了循环伏安法（CV）和安培i-t曲线，表明Ti / SnO2-Sb-Ce电极的电化学性能有所改善。使用苯胺作为模型污染物研究了制备电极的电化学氧化性能。电解2小时后，用Ti / SnO2-Sb-Ce电极可去除98.3％的苯胺，而Ti / SnO2-Sb电极仅可去除82.7％。 Ti / SnO2-Sb-Ce电极上化学需氧量（COD）的去除率为80.5％，也高于Ti / SnO2-Sb电极上的化学需氧量（58.4％）。通过扫描电子显微镜（SEM），X射线衍射（XRD），电子分散谱（EDS）和X射线光电子能谱（XPS）表征电极。结果表明，铈的掺杂使涂层具有较大的表面积和较高的活性Oads含量，可为有机污染物的电化学氧化提供更多的活性位。

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