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溶膠-凝膠法制備Ru-Ir-Ti/Ti陽極涂層及性能研究
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Preparation and Performance of Ru-Ir-Ti/Ti Electrode Coating by Sol-gel Process
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    摘要:

    應(yīng)用溶膠-凝膠法制備Ru-Ir-Ti/Ti氧化物陽極涂層。SEM、XRD、電子探針、極化曲線、電流效率實(shí)驗(yàn)表明，由溶膠-凝膠法制備的氧化物涂層比熱分解法制備的氧化物涂層的分散性好、形成固溶體充分、電流效率高；由溶膠-凝膠法制備的氧化物涂層的失效是由于生成不導(dǎo)電的TiO2引起，而由熱分解法制備的氧化物涂層的失效是由于活性氧化物涂層的溶解引起。

    Abstract:

    Sol-gel process is used to prepare Ru-Ir-Ti/Ti electrode coating. The microstructure and morphology are examined by SEM, XRD, EPMA, and the electrochemical performance is studied by potentiodynamic polarization and current efficiency. The results show that the alloy elements in the electrode coating prepared by the sol-gel process are well distributed, more sufficient to form solid solution and with higher current efficiency than by the traditional thermal decomposition process. The deactivation effect is due to the forming of unconductive TiO2 for the sol-gel process, but due to the dissolution of active composition for the thermal decomposition process.

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戴麗平,彭 喬,王玲利.溶膠-凝膠法制備Ru-Ir-Ti/Ti陽極涂層及性能研究[J].稀有金屬材料與工程,2009,38(2):291~294.[Dai Liping, Peng Qiao, Wang Lingli. Preparation and Performance of Ru-Ir-Ti/Ti Electrode Coating by Sol-gel Process[J]. Rare Metal Materials and Engineering,2009,38(2):291~294.]
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  • 收稿日期:2008-01-28
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