通过热分解法制备了不同涂覆层数的Ru-Ir-Ti氧化物阳极涂层.采用物理分析和电化学测试技术研究了不同涂覆层数氧化物阳极涂层的表面形貌、结构和电化学性能.结果表明,Ru-Ir-Ti氧化物阳极涂层涂覆30层(15.55 μm)时,涂层与钛基体结合牢固,具有较好的电催化选择性.此时,析氧电位达到1.52 V,析氯电位为1.02 V,电流效率高达94.5%,伏安电量达到35 mC/cm2,强化电解寿命长达525 h.当涂覆层数达到40层(22.6 μm)后,涂层呈疏松结构,表面粗糙,裂缝变得宽而深,涂层出现脱落,附着力下降.
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