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http://dx.doi.org/10.7733/jnfcwt.2022.004

Electrochemical Behaviors of Bi3+ Ions on Inert Tungsten or on Liquid Bi Pool in the Molten LiCl-KCl Eutectic  

Kim, Beom Kyu (FNC Technology Co., Ltd.)
Park, Byung Gi (Soonchunhyang University)
Publication Information
Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT) / v.20, no.1, 2022 , pp. 33-41 More about this Journal
Abstract
Liquid Bi pool is a candidate electrode for an electrometallurgical process in the molten LiCl-KCl eutectic to treat the spent nuclear fuels from nuclear power plants. The electrochemical behavior of Bi3+ ions and the electrode reaction on liquid Bi pool were investigated with the cyclic voltammetry in an environment with or without BiCl3 in the molten LiCl-KCl eutectic. Experimental results showed that two redox reactions of Bi3+ on inert W electrode and the shift of cathodic peak potentials of Li+ and Bi3+ on liquid Bi pool electrode in molten LiCl-KCl eutectic. It is confirmed that the redox reaction of lithium with respect to the liquid Bi pool electrode would occur in a wide range of potentials in molten LiCl-KCl eutectic. The obtained data will be used to design the electrometallurgical process for treating actinide and lanthanide from the spent nuclear fuels and to understand the electrochemical reactions of actinide and lanthanide at liquid Bi pool electrode in the molten LiCl-KCl eutectic.
Keywords
Molten salt; Liquid Bi pool electrode; Bismuth; Electrode reaction;
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Times Cited By KSCI : 1  (Citation Analysis)
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