采用Pechini法制备了不同烧结温度的RuO2-IrO2-TiO2/Ti阳极,通过SEM、AFM、EDX、XRD、极化曲线、循环伏安曲线及强化电解寿命试验等测试手段,研究了烧结温度对RuO2-IrO2-TiO2/Ti阳极微观结构和电催化性能的影响.结果表明:烧结温度对RuO2-IrO2-TiO2/Ti阳极的表面形貌有很大的影响；随着烧结温度的升高,阳极析氯活性呈先增加后减小的趋势,而电催化活性呈现相反的趋势；550℃下所得的RuO2-IrO2-TiO2/Ti阳极表现出最高的强化电解寿命.
参考文献
| [1] | S. Trasatti .Electrocatalysis: understanding the success of DSA[J].Electrochimica Acta,2000(15/16):2377-2385. |
| [2] | 张招贤.钛电极工学[M].北京:冶金工业出版社,2003 |
| [3] | Wang X;Tang D;Zhou J G.Microstructure mophology and electrochemical property of RuO270SnO230 mol％ and RuO230SnO270 mol％ coatings[J].Journal of Alloys and Compounds,2007(430):60-66. |
| [4] | Ailton J Terezo;Emesto C Pereira.Preparation and characterisation of Ti/RuO2 anodes obtained by sol-gel and conventional routes[J].Materials Letters,2002(53):339-345. |
| [5] | Panic V.;Dekanski A.;Wang G.;Fedoroff M.;Milonjic S.;Nikolic B. .Morphology of RuO2-TiO2 coatings and TEM characterization of oxide sols used for their preparation[J].Journal of Colloid and Interface Science,2003(1):68-73. |
| [6] | Panic V;Dekanski A;Milonjic S et al.The influence of the aging time of RuO2 and TiO2 sols on the electrochemical properties and behavior for the chlorine evolution reaction of activated titanium anodes obtained by the sol-gel procedure[J].Electrochimica Acta,2000,46:415-421. |
| [7] | Panic V;Dekanski A;Milonjic S et al.RuO2-TiO2 coated titanium anodes obtained by the sol-gel procedure and their electrochemical behaviour in the chlorine evolution reaction[J].Colloids and Surfaces,1999,57:269-274. |
| [8] | Mattos-Costa F I;Lima-Nero P de;Machado S A S et al.Characterization of surfaces modified by sol-gel derived RuxIr1-xO2 coatings for oxygen evolution in acid medium[J].Electrochimica Acta,1998,44:1515-1523. |
| [9] | Yoshio Takasu;Satoshi Onoue;Kohichi Kameyama et al.Preparation of ultrafine RuO2-IrO2-TiO2 oxide particles by solgel process[J].Electrochimica Acta,1994,39:1993-1996. |
| [10] | Xin Y L;Xu L K;Wang J T et al.Effect of sintering temperature on microsteucture and electrocatalytic properties of Ti/IrO2-Ta2O5 nano-oxide anodes[J].Rare Metal Materials and Engineering,2010,39:1903-1910. |
| [11] | Camara O R;Trasatti S .Surface electrochemical properties of Ti/(RuO2 + ZrO2) electrodes[J].Electrochimica Acta,1996,41:419-429. |
| [12] | Trasatti S .Physical electrochemistry of ceramic oxide[J].Electrochimica Acta,1991,36:225-241. |
| [13] | 胡吉明 .Ti基IrO<,2>+Ta<,2>O<,5>阳极析氧电催化与失效机制研究[D].北京科技大学,2000. |
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