中文

添加碳纳米管对钌铱锡氧化物阳极性能的影响

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  • Key Words:碳纳米管;;金属氧化物阳极;;电催化活性;;强化电解寿命

  • Abstract:本文采用热分解法制备Ti/Ru-Ir-Sn氧化物阳极,运用TGA、SEM、EDS、循环伏安、电化学交流阻抗、极化曲线以及强化电解寿命测试方法,探讨添加不同含量碳纳米管(CNTs)对Ti/Ru-Ir-Sn氧化物阳极的影响规律.热重分析和阳极能谱数据表明,在烧结温度470oC条件下CNTs未发生高温氧化分解,仍以单质形式存在阳极涂层中.与对比样品相比,涂层表面裂纹增多,但仍保持典型形貌.添加CNTs显著改善了Ti/Ru-Ir-Sn氧化物阳极的电化学性能,增大了阳极的活性表面积,减小了涂层内部电阻,提高了阳极析氯电催化活性,析氯电位增加缓慢,阳极强化电解寿命也得到明显延长.其中,添加0.1 g·L-1CNTs的Ti/Ru-Ir-Sn氧化物阳极电催化活性和稳定性最优.

  • Volume:v.21;No.90

  • Issue:04

  • Translation or Not:no


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