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Electrochemical Behavior of Titanium(II) Ion in a Purified Calcium Chloride Melt

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Abstract

Cyclic voltammetry, chronopotentiometry, and square wave voltammetry were used to investigate electrochemical behavior of Ti(II) ion in a purified CaCl2 melt at a temperature of 1173 K (900 °C). The result indicated that the cathodic reduction of Ti(II) ion in the melt was a one-step quasi-reversible process controlled by the diffusion. The diffusion coefficient was determined in a CaCl2-TiCl(0.5 mol/dm3) at 1173 K (900 °C). The work also demonstrated the feasibility of producing metallic titanium in the as-prepared CaCl2-TiCl2 melts through galvanostatic electrolysis.

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Acknowledgements

The authors are grateful to the National Natural Science Foundation of China (No.51322402), the Program for New Century Excellent Talents in University, Ministry of Education of China (NCET-2011-0577), the National High Technology Research and Development Program of China (863 Program, No. 2012AA062302), and the Fundamental Research Funds for the Central Universities (FRF-TP-12-002B) for financial support.

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Authors and Affiliations

  1. State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, P.R. China

    Min Ho Kang (Formerly Visiting Scientist, Associate Professor), Jianxun Song (PhD Student), Hongmin Zhu (Professor) & Shuqiang Jiao (Professor)

  2. School of Metallurgical Engineering, Kim Chaek University of Technology, Pyongyang, DPR Korea

    Min Ho Kang (Formerly Visiting Scientist, Associate Professor)

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  1. Min Ho Kang
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  2. Jianxun Song
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  3. Hongmin Zhu
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  4. Shuqiang Jiao
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Correspondence to Shuqiang Jiao.

Additional information

Min Ho Kang and Jianxun Song had equal contribution to this work.

Manuscript submitted June 3, 2014.

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Kang, M.H., Song, J., Zhu, H. et al. Electrochemical Behavior of Titanium(II) Ion in a Purified Calcium Chloride Melt. Metall Mater Trans B 46, 162–168 (2015). https://doi.org/10.1007/s11663-014-0191-z

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