Development of a Three-Dimensional Structured Carbon Fiber Felt/β-PbO2 Electrode and Its Application in Chemical Oxygen Demand Determination

Hengliang Mo,Yang Tang,Xizhi Wang,Jia Liu,Dandan Kong,Yongmei Chen,Pingyu Wan,Huining Cheng,Tangqiang Sun,Linying Zhang,Man Zhang,Shuangyan Liu,Yanzhi Sun,Nan Wang,Lixin Xing,Lei Wang, Yang Jiang,Xin Xu, Yuanyuan Zhang,Xiaodong Meng

Electrochimica Acta（2015）

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摘要

A three-dimensional structured carbon felt/β-PbO2 sensor with high detection sensitivity, wide linearity detection range, satisfactory service life and low preparing cost was developed for determination of chemical oxygen demand (COD) values in wastewater. Perfect octahedral β-PbO2 microcrystals covered each carbon fiber in the felt. Its unique structure makes it possess huge surface area and abundant active sites for generating hydroxyl radicals (·OH), thus exhibiting excellent performance.

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关键词

Carbon fiber felt/β-PbO2,Chemical oxygen demand,Hydroxyl radical,3-D structured sensor,Water quality analysis

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