元素掺杂是一种有效改善电极性能的手段.为了提高钛基锡系形稳阳极的催化活性,La被作为一种改性剂掺杂在Ti/Sb-SnO2电极的涂层中.掺杂改性后电极涂层的形貌通过SEM及XRD进行了检测;并通过EDS检测了涂层中各元素的组成比例;利用电化学阳极极化曲线(LSV)测试了电极的电化学性能.利用掺杂改性后的电极和未改性电极电解处理模拟对硝基苯酚(p-NP)废水,在相同条件下,掺杂La改性后电极处理废水的降解率为92.8％,远高于未改性电极处理废水的降解率(72％).实验表明,稀土La改性后的Ti/Sb-SnO2电极在处理p-NP废水的优越性相当明显.
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