石青荣, 段淑贞, 武世民. 氟化物熔盐中B(Ⅲ)的电化学还原[J]. 工程科学学报, 1994, 16(6): 599-603. DOI: 10.13374/j.issn1001-053x.1994.06.020
引用本文: 石青荣, 段淑贞, 武世民. 氟化物熔盐中B(Ⅲ)的电化学还原[J]. 工程科学学报, 1994, 16(6): 599-603. DOI: 10.13374/j.issn1001-053x.1994.06.020
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Shi Qingrong, Duan Shuzhen, Wu Shimin. Electrochemical Reduction of B(Ⅲ) in Molten Fluorides[J]. Chinese Journal of Engineering, 1994, 16(6): 599-603. DOI: 10.13374/j.issn1001-053x.1994.06.020
Citation: Shi Qingrong, Duan Shuzhen, Wu Shimin. Electrochemical Reduction of B(Ⅲ) in Molten Fluorides[J]. Chinese Journal of Engineering, 1994, 16(6): 599-603. DOI: 10.13374/j.issn1001-053x.1994.06.020
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氟化物熔盐中B(Ⅲ)的电化学还原

Electrochemical Reduction of B(Ⅲ) in Molten Fluorides

    摘要
  • 摘要: 用循环伏安法和卷积技术研究了LiF-NaF低共熔体中,以KBF4形式加入的B (Ⅲ)在铂电极上阴极还原机理.结果表明,B (Ⅲ)的电化学还原为简单的三电子一步反应,阴极过程在所研究的扫描速度下接近于可逆过程,且受扩散控制,硼在铂电极上形成可溶性产物.

     

    Abstract: The mechanism of the cathode process of B(Ⅲ) on a platinum electrode in molten LiF-NaF-KBF4 at 750℃ has been investigated by means of cyclic voltammetry and convolution technique.It Was found that the electrochemical reduction of B(Ⅲ) to elementary boron is a simple three-electron process involving alloy formation with the platinum electrode.The cathodic process is very close to a reversible process and is diffusion controlled.

     

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