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Application of the rotating cylinder electrode in molten LiCl-KCl eutectic containing uranium(III)- and magnesium(II)-chloride.
- Source :
-
Journal of Nuclear Materials . Apr2017, Vol. 487, p362-372. 11p. - Publication Year :
- 2017
-
Abstract
- The application of the rotating cylinder electrode (RCE) to molten LiCl-KCl eutectic mixtures for electroanalytical measurements is presented. This enabled the measurement of the limiting current which was observed to follow a linear trend with the rotational rate raised to 0.64–0.65 power on average, which closely agrees with existing RCE mass-transfer correlations. This is the first publication of electroanalytical RCE measurements in LiCl-KCl eutectic based molten salt mixtures, to our knowledge. These measurements were made in mixtures of molten LiCl-KCl eutectic containing UCl 3 and MgCl 2 . Kinetic parameters were calculated for Mg 2+ in LiCl-KCl eutectic. The exchange current density ( i o ) of Mg 2+ deposition varied with mole fraction ( x ) according to i o (A cm −2 ) = 1.64 x 0.689 . The parameters from RCE measurements were also applied in an electrochemical co-deposition model entitled DREP to detect and predict the deposition rate of U and Mg. DREP succeeded in detecting the co-deposition of U and Mg, even when Mg constituted less than 0.5 wt% of the deposit. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00223115
- Volume :
- 487
- Database :
- Academic Search Index
- Journal :
- Journal of Nuclear Materials
- Publication Type :
- Academic Journal
- Accession number :
- 122155206
- Full Text :
- https://doi.org/10.1016/j.jnucmat.2017.02.037