Shu-lan Wang, Wei Wang, Shi-chao Li,  and Shan-hui Cao, Cathodic behavior of molten CaCl2-CaO and CaCl2-NaCl-CaO, Int. J. Miner. Metall. Mater., 17(2010), No. 6, pp. 791-794. https://doi.org/10.1007/s12613-010-0391-8
Cite this article as:
Shu-lan Wang, Wei Wang, Shi-chao Li,  and Shan-hui Cao, Cathodic behavior of molten CaCl2-CaO and CaCl2-NaCl-CaO, Int. J. Miner. Metall. Mater., 17(2010), No. 6, pp. 791-794. https://doi.org/10.1007/s12613-010-0391-8

Cathodic behavior of molten CaCl2-CaO and CaCl2-NaCl-CaO

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  • Corresponding author:

    Shu-lan Wang    E-mail: slwang@mail.neu.edu.cn

  • Received: 8 January 2010Revised: 1 February 2010Accepted: 19 February 2010
  • The cathodic behavior of molten CaCl2, CaCl2-CaO and equimolar CaCl2-NaCl-CaO was studied by cyclic voltammograms and constant potential polarization at temperatures of 1123 to 1173 K on molybdenum and titanium electrodes. The diffusion coefficient of Ca2+ (CaO) in molten CaCl2-CaO was calculated from the linear relationship between the square root of scan rate and the peak current density. The deposition potentials and the potential temperature coefficient of CaO in molten CaCl2-0.5mol%CaO and CaCl2-NaCl-0.5mol%CaO were also obtained from their cyclic voltammograms. The result shows that CaO is more easily reduced than CaCl2. The addition of NaCl in molten CaCl2-CaO induces the underpotential electrodeposition of CaO.
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