利用热分解方法在不同温度下制备了不同摩尔分数La的三元涂层Ru0.3Ti(0.7～x)LaxO2,通过极化曲线测试和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表面形貌进行了观察.测试结果表明,在涂层中引入La可以提高涂层阳极的电催化活性.La的掺杂量有一个最佳比,摩尔分数为0.5时电催化性最好;适当的热分解温度有利于La涂层阳极性能的提高,最佳温度为450℃.
参考文献
| [1] | Trasatti S .Electrocatalysis:understanding the sucLass of DSA[J].Electrochimica Acta,2000,45:2377. |
| [2] | Beer H H .[P].US 3632498,1972. |
| [3] | 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. |
| [4] | 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. |
| [5] | 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. |
| [6] | Trasatti S;Lodi G.Electrodes of conductive metallic oxides,Part B[M].Journal of Chromatography Library,1981:521. |
| [7] | Watson P R;Wabner D W .The formation of oxygen-containing organic molecules by the hydrogenation of carbon monoxide using a lanthanum rhodate catalyst[J].Journal of Catalysis,1982,74:282. |
| [8] | Brittain H G .The effect of drying temperature on the temperature-programmed reduction profile of a platinum/rhenium/alumina catalyst[J].Journal of Catalysis,1983,80:334. |
| [9] | Eduardo A;Cole E R .Ethanol from H2 and CO via homogeneons ruthenium[J].Catalysis,1983,80:334. |
| [10] | Silava L A;Alves V A;Trasatti S.Surface and electrocatalytic properties of ternary oxides Ir0.3Ti(0.7-x)PtxO2:oxygen evolution acidic solution[J].Journal of Electroanalytical Chemistry,1997:97-104. |
| [11] | Lassali T A F;Boodts J F C;Bulhoes L O S .Charging processes and electrocatalytic properties of IrO2/TiO2/SnO2 oxide films investigated by in situ AC impedance measurements[J].Electrochimica Acta,1999,44:4203. |
| [12] | Deng T S;Bing J H .Morphology and Electrochemical Activity of Ru-Ti-Sn Temary-Oxide Electrodes in 1 mol/L NaCl Solution[J].Electrochimica Acta,1993,38(15):2329. |
| [13] | Silva L A Da;Alves V A;Silva M A et al.Oxygen Evolation in Acid Solution on IrO2+TiO2 Ceramic Films,A Study by Impedance,Voltammetry and SEM[J].Electrichimica Acta,1997,42(02):271. |
| [14] | Mahe E;Devillicrs D;Groult H et al.Electrochemical behaviour of platinum-coated Ta/Ta2O5 electrodes[J].Electrochimica Acta,1999,44:2307. |
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