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兵工学报  2013 

钛基金属氧化物涂层电极的制备及表征

DOI: 10.3969/j.issn.1000-1093.2013.11.017, PP. 1448-1453

Keywords: 电化学工程,掺杂改性,钛基体,电催化活性,废水处理

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Abstract:

?为了对化工废水进行处理,以Ti/SnSb电极为基础,采用刷涂热解法制备出掺杂Fe、Mn、Ni、Ru和Co等元素的钛基涂层电极。Sn、Sb和X(X代表掺杂元素)按照原子质量比为100∶10∶5的比例配制涂液,在475℃高温下煅烧。用SEM、XRD和电化学工作站等分析方法分析了改性电极的表面形貌、析氧电位值和使用寿命等因素。分析结果表明:阳极表面活性涂层易产生“龟裂”现象,影响电极的催化活性和使用寿命。与掺杂其他元素的改性电极相比,Ti/SnSbMn电极的使用寿命最长,更难析出氧气,污染物更容易被氧化降解。

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