电化学技术在污水处理领域发挥着越来越大的作用，不溶性阳极作为电化学技术的核心，受到越来越多的关注。PbO2电极由于其自身良好的导电性及催化活性成为电化学不溶性阳极研究的重点，尽管PbO2电极较其他电极优势明显，但是仍然存在一些问题。近些年来，科学工作者针对这些问题展开研究，对PbO2电极进行改性。本文总结了PbO2电极改性的研究进展，重点阐述了PbO2电极改性的方法和途径，分别概述了PbO2电极基体、中间层以及表层的改性研究进展，提出目前存在的问题以及未来PbO2电极改性的研究方向。%Electrochemical technology plays an increasingly important role in the field of wastewater treatment. As the key of the electrochemical technology,the insoluble anode received more and more attention. PbO2 electrode has become the focus in electrochemical technology since it possesses high conductivity and catalytic activity. Although the PbO2 electrode has obvious advantages over other electrodes,there is still room for improvement. In recent years,scientists expand research on these issues to modify the PbO2 electrode. Research progress of the PbO2 electrode modification was summarized in this paper. This review is focused on the improvement and optimization of the PbO2 electrode modification and respectively overviews the research progress of modification in substrate,intermediate layer and surface layer of the PbO2 electrode. The current problems and the future research directions of PbO2 electrode were presented.
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