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OALib Journal期刊
ISSN: 2333-9721
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稀土铒改性钛基pbo2电极的制备和性能
Keywords: 无机非金属材料,pbo2电极,稀土铒,电催化
Abstract:
？采用电沉积法制备了稀土铒改性钛基pbo2电极,用sem、eds和xrd技术分析了表面物相和结构,用eis、线性极化扫描、荧光光谱分析和苯酚降解实验对其性能进行了表征。结果表明,稀土铒改性钛基pbo2电极镀层的结构主要为β--pbo2晶型,其晶粒明显细化,比表面积增大；电致生成羟基自由基的能力是未改性电极的2.3倍；改性电极具有更小的电化学反应电阻和更高的阳极析氧过电位。苯酚降解实验表明,？稀土铒掺杂改性明显提高了钛基pbo2电极的电催化性能,2h降解率达91.8%。
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