摘要
为了制备新型三价铬镀铬阳极材料,采用复合电沉积的方法制备了PbO2-CeO2-ZrO2惰性阳极材料。通过Tafel曲线、析氧极化曲线和循环伏安曲线的测量,并结合扫描电镜和镀层元素含量分析,考察了不同电流密度条件下制备的复合阳极材料的耐蚀性、催化活性和表面形貌。结果表明:施镀电流密度对阳极材料表面形貌及性能影响很大,当电流密度为20mA/cm2时,阳极材料表面均匀、平整、致密,耐腐蚀性好,有最好的催化活性。
In order to prepare novel anode material used in trivalent chromium plating, PbO2-CeO2-ZrO2 inert anode materials were prepared by composite electrodeposition method. By measuring Tafel curves, oxygen evolution polarization curves and cyclic voltammetry curves, combined with scanning electron microscope （SEM） and coating element content analysis, the properties of anode material, such as corrosion resistance, catalytic activity and surface morphology, were investigated under different current density conditions. It turned out that the current density has significant influences on the surface morphology and properties of the anode material. When the current density is 20mA/cm2 , the surface of anode material is uniform, smoo dense, of high corrosion resistance and best catalytic activity.
出处
《材料科学与工程学报》
CAS
CSCD
北大核心
2013年第5期672-676,共5页
Journal of Materials Science and Engineering
基金
昆明理工大学分析测试基金资助项目(20130569)
关键词
三价铬镀铬阳极
电流密度
电化学性能
表面形貌
trivalent chromium plating anode current density electrochemical properties surface morphology
