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- Title
Electrochemical codeposition of typical α + β phases Mg-Li alloys from the molten LiCl-KCl-MgCl<sub>2</sub> system.
- Authors
Ye, Ke; Chen, Ye; Zhang, Milin
- Abstract
Electrochemical codeposition of Mg-Li alloys on molybdenum electrodes was investigated in LiCl-KCl (50 wt.%:50 wt.%) melts containing different concentrations of MgCl2 at 973 K. Cyclic voltammograms show that the underpotential deposition of lithium on pre-deposited magnesium leads to the formation of liquid Mg-Li alloys. The deposition potentials of Mg(II) and Li(I) ions gradually near each other with MgCl2 concentration decreasing. Mg-Li alloys with typical α + β phases could be obtained by potentiostatic electrolysis from LiCl-KCl melts containing 5 wt.% MgCl2 at −2.25 V vs. Ag/AgCl (cathodic current density 1.70 A·cm−2) for 2.5 h. α phase, α + β phases, and β phase Mg-Li alloys with different lithium contents were obtained by potentiostatic electrolysis from LiCl-KCl melts with the different concentrations of MgCl2. The samples were characterized by X-ray diffraction and scanning electron microscopy.
- Publication
Rare Metals, 2010, Vol 29, Issue 2, p198
- ISSN
1001-0521
- Publication type
Article
- DOI
10.1007/s12598-010-0034-2