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利用热分解法制备了不同La含量的钛基Ru-La-Sn涂层阳极,通过开路电位测试、循环伏安测试、阳极极化曲线测试和电化学交流阻抗谱测试研究了所制备涂层的电催化活性,并用扫描电镜对涂层阳极的表面形貌进行了观察.测试结果表明,制备温度对涂层阳极的表面形貌有很大影响,在涂层阳极中引入La可以提高涂层阳极的电催化活性,且La引入的最佳值为0.2(摩尔分数).Ru-La-Sn涂层阳极电催化性能提高的原因在于La的引入可以增加涂层的有效活性表面积.

参考文献

[1] Morimitsu M.;Matsunaga M.;Otogawa R.;Tamura H. .Polarization behaviour and lifetime of IrO2-Ta2O5-SnO2/Ti anodes in p-phenolsulfonic acid solutions for tin plating[J].Journal of Applied Electrochemistry,2000(4):511-514.
[2] Fujimura K;Izumiya K;Kawaashima A .Anodically Deposited Manganese-Molybdenum Oxide Anode with High Selectivity for Evolving Oxygen in Electrolysis of Seawater[J].Journal of Applied Electrochemistry,1999,29:765.
[3] Yang CH.;Wen TC.;Lee CC. .Hypochlorite generation on Ru-Pt binary oxide for treatment of dye wastewater[J].Journal of Applied Electrochemistry,2000(9):1043-1051.
[4] Farla L A De;Boodta J F C;Trasatti S .Physic-Chemical and Electrochemical Characterization of Ru-Based Ternary Oxides Containg Ti and Ce[J].Electrochimica Acta,1992,37(13):251.
[5] Pauli C P De;Trasatti S .Electrochemical Surface Characteri- zation of IrO2+SnO2 Mixed Oxide Electrocatalysis[J].Journal of Electroanalytical Chemistry,1995,396:161.
[6] Dasilva LA.;Trasatti S.;Boodts JFC.;Alves VA. .SURFACE AND ELECTROCATALYTIC PROPERTIES OF TERNARY OXIDES IR0.3TI(0.7-X)PTXO2 - OXYGEN EVOLUTION FROM ACIDIC SOLUTION[J].Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry,1997(1/2):97-104.
[7] Yasushi M;Takeshi K;Yoshihiro S .Effects of Rare Earth Chlorides on the Preparation of Porous Ruthenium Oxide Electrodes[J].Journal of Alloys and Compounds,1996,239:111.
[8] Faria L A De .Electrocatalytic Properties of Ternary Oxides Ru0.3Ti(0.7-x)CexO2:Oxygen Evolution from Acidic Solution[J].Journal of Applied Electrochemistry,1996,26:1195.
[9] Alves V A;Silva L A Da;Boodts J F C .Kinetics and Mechanism of Oxygen Evolution on IrO2-Based Electrodes Containing Ti and Ce Acidic Solutions[J].Electrochimica Acta,1994,39(11/12):1585.
[10] Deng T S;Bing J H .Morphology and Electrochemical Activity of Ru-Ti-Sn Ternary-Oxide Electrodes in 1M NaCl Solution[J].Electrochimica Acta,1993,38(15):2329.
[11] Silva L A Da;Alves V A;Silva M A .Oxygen Evolution in Acid Solution on IrO2+TiO2 Ceramic Films.A Study by Impedance,Voltammetry and SEM[J].Electrochimica Acta,1997,42(02):271.
[12] Lassali T A;Boodts J F;Bulhoes L O .Charging Processes and Electrocatalytic Properties of IrO2/TiO2/SnO2 Oxide Films Investigated by in Situ AC Impedance Measurements[J].Electrochimica Acta,1999,44:4203.
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