Electrochemistry of Cd(II) in the basic 1-ethyl-3-methylimidazolium chloride/tetrafluoroborate room temperature molten salt

Po Yu Chen, I. Wen Sun

研究成果: Article同行評審

74 引文 斯高帕斯(Scopus)

摘要

The electrochemistry of cadmium species was investigated at glassy carbon, polycrystalline tungsten and platinum electrodes in a basic 1-ethyl-3-methylimidazolium chloride/tetrafluoroborate room temperature molten salt. Amperometric titration experiments suggest that Cd(II) chloride is complexed as [CdCl4]2- in this melt. [CdCl4]2- could be reduced to cadmium metal via a single-step quasi-reversible electron transfer process. On the other hand, effective dissolution of cadmium to Cd(II) is effected by the presence of sufficient chloride ions. The electrodeposition of cadmium proceeds via three-dimensional progressive nucleation with diffusion-controlled growth. The average Stokes-Einstein product for [CdCl4]2- is (2.3±0.1)×10-10 g cm s-2 K-1. The cadmium electrodeposits are found to be very pure and adhere well on the tungsten substrate.

原文English
頁(從 - 到)3163-3170
頁數8
期刊Electrochimica Acta
45
發行號19
DOIs
出版狀態Published - 2000 六月 15

All Science Journal Classification (ASJC) codes

  • 化學工程 (全部)
  • 電化學

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