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涂覆厚度對Ru-Ir-Ti氧化物陽極涂層電化學(xué)性能的影響
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國家高技術(shù)研究發(fā)展計劃項目 (2009AA05Z120)


Effect of Painting Thickness on the Electrochemical Characteristics of
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    摘要:

    通過熱分解法制備了不同涂覆層數(shù)的Ru-Ir-Ti氧化物陽極涂層。采用物理分析和電化學(xué)測試技術(shù)研究了不同涂覆層數(shù)氧化物陽極涂層的表面形貌、結(jié)構(gòu)和電化學(xué)性能。結(jié)果表明，Ru-Ir-Ti氧化物陽極涂層涂覆30層 (15.55 μm) 時，涂層與鈦基體結(jié)合牢固，具有較好的電催化選擇性。此時，析氧電位達到1.52 V，析氯電位為1.02 V，電流效率高達94.5%，伏安電量達到35 mC/cm2，強化電解壽命長達525 h。當(dāng)涂覆層數(shù)達到40層 (22.6 μm) 后，涂層呈疏松結(jié)構(gòu)，表面粗糙，裂縫變得寬而深，涂層出現(xiàn)脫落，附著力下降

    Abstract:

    Anodic coatings of the oxides of Ru-Ir-Ti with different layer numbers were prepared by a pyrolysis method. The anodic coatings’ electrochemical characteristics were studied by electrochemical methods. The surface topography and the microstructure of the coatings were also studied. The results show that when the Ru-Ir-Ti oxide coating is coated with 30 layers (15.55 μm), it has better adhesive force and better catalytic selectivity. Meanwhile, the coating’s chlorine evolution potential, oxygen evolution potential and current efficiency are 1.02 V, 1.52 V and 94.5%, respectively. At the same time, the coating’s cyclic voltammetry charge is up to 35 mC/cm2 and its accelerated durability is about 525 h. When the coating layer number reaches up to 40 (22.6 μm), the anodic coating has rough surface and poor binding force and the cracks on the coating surface become deeper and wider

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梁成浩,賈理男,黃乃寶,賈廣鵬.涂覆厚度對Ru-Ir-Ti氧化物陽極涂層電化學(xué)性能的影響[J].稀有金屬材料與工程,2013,42(3):611~615.[Liang Chenghao, Jia Li’nan, Huang Naibao, Jia Guangpeng. Effect of Painting Thickness on the Electrochemical Characteristics of[J]. Rare Metal Materials and Engineering,2013,42(3):611~615.]
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  • 收稿日期:2012-12-19
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