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| Study on the Electrochemical Process of Mg-Ce intermediate alloys Prepared by Molten Salt Electrolysis |
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Received:November 02, 2023
Revised:November 12, 2023
Accepted:November 14, 2023
Published Online:January 26, 2024
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| DOI：doi：10.3969/j.issn.1007-7545.2024.03.015 |
| KeyWord:Mg-Ce alloy; electrodeposition; KCl-NaCl melt; intermetallic compound |
| Author | Institution |
| SONG Zhitao |
华东理工大学 |
| ZHAO Jia |
华东理工大学 |
| LU Guimin |
华东理工大学 |
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| Abstract: |
| The electrochemical behaviors of Mg(II) and Ce(III) as well as the alloying process of Mg(II) and Ce(III) on tungsten electrodes in the molten salt system of KCl-NaCl-CeCl3-MgCl2 at 973 K have been investigated by cyclic voltammetry (CV), square-wave voltammetry (SWV), and open-circuit chrono-potentiostatic (OCP) methods. Based on the results of electrochemical analysis, the Mg-Ce alloys were prepared by electrolysis at a constant potential of -2.1 V (vs.Ag/AgCl) for 12 h using a tungsten wire as the working electrode and a graphite rod as the auxiliary electrode. The composition and elemental distribution of the electrolytically obtained alloys were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy spectrometry (EDS), which showed that the basal phase of the alloys was Mg17Ce2 and the second phase was Mg3Ce. |
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