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Citation: Lu Yan-Zhuo, WEI Ci-Mei, CHEN Zeng, TANG Ding-Xiang, ZHANG Mi-Lin. Electrodeposition of Lithium Ions on Magnesium Electrode[J]. Chinese Journal of Applied Chemistry, ;2008, 25(3): 309-312. shu

Electrodeposition of Lithium Ions on Magnesium Electrode

1.
College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001

Corresponding author: Lu Yan-Zhuo,
Received Date: 17 March 2007
Available Online: 24 May 2007
Fund Project: 哈尔滨工程大学基础研究基金(HEUFT05081)资助项目 (HEUFT05081)

In this article,the electrodeposition of lithium ions on magnesium electrode in molten salt of KCl-LiCl(58:42,molar ratio) was studied.The deposition of lithium ions on molybdenum and magnesium electrodes was investigated by cyclic voltammograms coupled with electrochemical station at a san rate of 20 mV/s and 450℃,and the results showed that the deposition potential was -2.4 V and -2.28 V respectively,which indicated the magnesium electrode had the induction effect on the electrodeposition of lithium compared with molybdenum electrode.The current efficiency was calculated,and the values were all larger than 92%.The morphology of the magnesium electrode and the magnesium electrode with lithium deposited were studied by scanning electronic microscopy.The results showed that on the magnesium electrode a compact and homogeneous alloy layer was form by lithium electrodeposition.The main impure element was oxygen,as observed by EDX,which probobly was introduced after the alloy was prepared.
- lithium,
- magnesium,
- alloy,
- electrodeposition
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