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材料工程  2014 

纳米二氧化锆对制备PbO2-CeO2-ZrO2复合阳极材料的影响

DOI: 10.11868/j.issn.1001-4381.2014.05.008, PP. 40-45

Keywords: 三价铬镀铬阳极,电化学测试,耐蚀性,催化活性,微观形貌

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Abstract:

通过复合电沉积的方法制备新型三价铬镀铬用PbO2-CeO2-ZrO2惰性阳极材料,采用电化学方法测试分析电极材料的沉积机理、耐蚀性和催化活性;利用扫描电镜和能谱观察电极材料的微观形貌和元素含量。结果表明镀层的沉积符合Johnson机理,PbO2的沉积过程非常稳定;ZrO2浓度为20g/L制备的复合惰性阳极材料耐蚀性好,催化活性高;ZrO2的加入对镀层的微观形貌影响不明显,随镀液中ZrO2浓度增大,镀层中CeO2的含量总体稳定,ZrO2的含量呈现先增大后减小的趋势。

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