用于水体中有机污染物电催化降解的非贵金属氧化物阳极的研究进展  

Research progress of non-precious metal oxide coated anodes for electrocatalytic degradation of organic pollutants in water

作　　者：唐长斌[1] 卢宇轩 王飞[1] 黄平 于丽花[1] 薛娟琴[1] TANG Chang-bin;LU Yu-xuan;WANG Fei;HUANG Ping;YU Li-hua;XUE Juan-qin(School of Chemistry and Chemical Engineering,Xi’an University of Architecture and Technology,Xi'an 710055,China)

机构地区：[1]西安建筑科技大学化学与化工学院,西安710055

出　　处：《材料工程》2020年第6期62-72,共11页Journal of Materials Engineering

基　　金：国家自然科学基金项目(51874227);陕西省自然科学基金项目(2018JM5131,2018JM5139)。

摘　　要：电催化氧化降解有机污染物是一种行之有效的水处理方法,高性能阳极材料是实现其功效的关键.利用在钛基体上涂覆铅系、锡系、锰系等非贵金属氧化物可方便制备出涂层阳极,同时可借助多样化的表面涂覆与改性技术来开发稳定性与催化活性均优异的阳极,极具发展前景.从基材加工、中间层结构优化及表面改性角度综述了非贵金属氧化物阳极稳定性优化技术手段;并从表面增效、作用区域扩大角度对其催化活性提升方法进行归纳,述评了涂层阳极改性机制;最后指出了非贵金属氧化物涂层阳极发展中进一步努力的方向,以期推动电催化氧化阳极发展及其在水处理中的应用.Electrocatalytic oxidation is an effective water treatment method for degradation of organic pollutants,and the key to the technical advantages lies in anode materials with excellent performance.Ti-based anode can be conveniently prepared by coating a titanium substrate with a non-noble metal oxide such as lead,tin or manganese.At the same time,the anode materials with outstanding stability and catalytic activity can be obtained by various preparation and modification methods,which make it have great development prospects.Research progress on the stability optimization of non-precious metal oxide coating anode was reviewed from the perspective of substrate processing,intermediate layer optimization and surface modification.Catalytic activity enhancement was summarized from the aspect of surface synergism and the expansion of the action area,and the modification mechanism of coating anodes was commented.Finally,in order to promote the development of the electrocatalytic oxidation anode materials and its application in water treatment,development direction of non-precious metal oxide coated anodes was pointed out.

关 键 词：非贵金属氧化物涂层阳极 电催化氧化降解 有机废水 稳定性 催化活性 

分 类 号：TQ153.6[化学工程—电化学工业]