| 循环伏安法测定Ti/SnO2+Sb2Ox/PbO2阳极的分形维数及电催化性能 |
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| 引用本文： | 梁镇海,李付合,宋秀丽,李双志.循环伏安法测定Ti/SnO2+Sb2Ox/PbO2阳极的分形维数及电催化性能[J].太原理工大学学报,2011,42(5):457-461. |
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| 作者姓名： | 梁镇海 李付合 宋秀丽 李双志 |
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| 作者单位： | 太原理工大学化学化工学院,太原,030024 |
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| 基金项目： | 国家自然科学基金资助项目(20771080) |
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| 摘 要： | 采用电沉积法制备了含有SnO2+Sb2Ox中间层的Ti/SnO2+Sb2Ox/PbO2耐酸阳极,用SEM表征了电极表面的形貌,用三电极体系测定了电极在0.5 mol/L H2SO4溶液中不同扫描速度下的循环伏安曲线,同时定量计算出了不同Sb掺杂量的电极表面的分形维数,重点讨论了分形维数和电极在酸性溶液中析氧电催化性能之间的关系。结果表明:Sb摩尔分数为0.02和0.10时电极的分形维数较高,动力学参数a较小,j0较大,且电极表面呈现蘑菇状,催化活性高。因此Ti/SnO2+Sb2Ox/PbO2电极是酸性溶液中较理想的阳极材料。
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| 关 键 词： | 分形维数 循环伏安法 动力学 电催化 |
Determination of Fractal Dimension of Ti/SnO2 +Sb2Ox/PbO2Anode by Cyclic Voltammetry and Their Electrocatalytic Properties |
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| LIANG Zhen-hai,LI Fu-he,SONG Xiu-li,LI Shuang-zhi.Determination of Fractal Dimension of Ti/SnO2 +Sb2Ox/PbO2Anode by Cyclic Voltammetry and Their Electrocatalytic Properties[J].Journal of Taiyuan University of Technology,2011,42(5):457-461. |
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| Authors: | LIANG Zhen-hai LI Fu-he SONG Xiu-li LI Shuang-zhi |
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| Institution: | LIANG Zhen-hai,LI Fu-he,SONG Xiu-li,LI Shuang-zhi(College of Chemistry and Chemical Engineering,Taiyuan University of Technology,Taiyuan 030024,China) |
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| Abstract: | Acid-proof Ti/SnO2+Sb2Ox/PbO2 anodes with SnO2+Sb2Ox interlayers were prepared by electrodepositing method.The surface characterization of the electrode was characterized by scanning electron microscopy.The cyclic voltammetry curve of Ti/SnO2+Sb2Ox/PbO2 electrodes was determined in 0.5 mol/L H2SO4 solution in three-electrodes system under different scanning speeds,the fractal dimension of electrode surface was quantitatively calculated under different Sb doping concentrations simultaneously,the relation bet... |
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| Keywords: | fractal dimension cyclic voltammetry kinetics electrocatalysis performance |
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