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OALib Journal期刊
ISSN: 2333-9721
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ti/mn/sno2电催化电极的制备及性能研究
Keywords: 无机非金属材料,sno2电极,中间层,苯酚
Abstract:
？采用高温热氧化方法制备了含mn中间层的钛基二氧化锡电催化电极ti/mn/sno$_{2}$.采用sem、edx以及xps等检测方法对电极表面涂层的形貌、元素组成及元素化学态进行了分析,研究了所制备ti/mn/sno$_{2}$电极电催化氧化降解苯酚的性能.结果表明,mn中间层的引入降低了电极对苯酚的电催化降解活性,使电极的使用稳定性大为提高.含mn中间层的存在,可防止电化学反应过程中析出的氧向基体的扩散,离子对mn$^{2+}$/mn$^{4+}$与sn$^{2+}$/sn$^{4+}$的存在改变了sno$_{2}$电极表面催化剂的组成和结构,导致电极性能变化.
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