氟化物熔体中电解共沉积硼化钛的阴极过程

Cathode Process in the Electrolytic Codeposition of Titanium Diboride in Molten Fluoride

    摘要
  • 摘要: 采用循环伏安法首次研究了LiF-NaF-K2TiF6-KBF4熔盐体系中钛离子和硼离子在铂、钼电极上电化学还原及电合成硼化钛的阴极过程机理。对恒电位电解的沉积物进行了X射线衍射分析。结果表明,当体系中硼钛摩尔比B/Ti大于2时,钛与硼可在同一电位下实现电解共沉积并反应生成硼化钛。

     

    Abstract: The mechanism of the electrochemical reduction of Ti(Ⅳ) and B(Ⅲ) as well as the electrochemical synthesis of TiB2 on platinum and molybdenum electrode in molten Li-NaF-K2TiF6-KBF4 system has been investigated for the first time by. Means of cyclic voltammetry. The electrodeposited coating has been analysed by X-ray diffraction. The results show that the electrolytic codeposition of titanium and boron with the formation of TiB2 can be achieved at molar ratios B/Ti>2.

     

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