<P><B>Abstract</B></P> <P>Co-electrodeposition of uranium and molybdenum from a LiCl-KCl melt was investigated using cyclic voltammetry (CV), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and ...
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https://www.riss.kr/link?id=A107429772
2018
-
SCI,SCIE,SCOPUS
학술저널
98-106(9쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>Co-electrodeposition of uranium and molybdenum from a LiCl-KCl melt was investigated using cyclic voltammetry (CV), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and ...
<P><B>Abstract</B></P> <P>Co-electrodeposition of uranium and molybdenum from a LiCl-KCl melt was investigated using cyclic voltammetry (CV), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), and X-ray diffraction (XRD). The electrochemical study showed that the electrodeposition of Mo occurred from a molten LiCl-KCl eutectic at potentials more negative than −0.3 V vs. Ag|Ag<SUP>+</SUP>. Electrodeposition at a low overpotential range (between −0.3 V and −0.35 V) resulted in flat, thin Mo films, whereas greater overpotentials led to the growth of 3D films. Conditions for simultaneous electrodeposition of U and Mo were then optimized by varying the concentrations of UCl<SUB>3</SUB> and MoCl<SUB>3</SUB> and the electrodeposition method applied. At a constant potential of −1.58 V, a melt containing 1.3 wt% UCl<SUB>3</SUB> and 1.5 wt% MoCl<SUB>3</SUB> resulted in the co-electrodeposition of dendrites due to the high overpotential for Mo electrodeposition. However, diffusion-controlled electrodeposition using the same potential and concentration resulted in a uniform and flat U-Mo film. This co-electrodeposition of U-Mo films could be applied to the preparation of low-cost U-Mo nuclear fuel.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Co-electrodeposition of U and Mo from a LiCl-KCl melt was investigated. </LI> <LI> First individual deposition of U and Mo was studied, followed by co-deposition. </LI> <LI> Using a constant potential resulted in dendrite formation from the melt. </LI> <LI> Diffusion-controlled deposition resulted in a flat, uniform U-Mo film. </LI> </UL> </P>