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| Dissolution of Lithium Metal in LiCl-KCl Molten Salt System |
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Received:December 31, 2019
Revised:January 02, 2020
Accepted:January 06, 2020
Published Online:April 18, 2020
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| DOI：doi：10.3969/j.issn.1007-7545.2020.05.009 |
| KeyWord:lithium; molten salt electrolysis; dissolution; polarization |
| Author | Institution |
| WANG Yu-yang |
华东理工大学资源过程工程教育部工程研究中心 |
| LU Gui-min |
华东理工大学资源过程工程教育部工程研究中心 |
| YU Jian-guo |
华东理工大学资源过程工程教育部工程研究中心 |
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| Abstract: |
| Effect of temperature on solubility of lithium metal in LiCl-KCl molten salt system was studied by isothermal saturation method. Effects of current density, LiCl concentration and polarization conditions on dissolution rate of lithium metal in LiCl-KCl molten salt system were investigated with tungsten electrode by current reverse chronopotentiometry and square wave current. The results show that solubility of lithium metal rises with increase of temperature, dissolution of lithium metal is an endothermic reaction and is not affected by current density. Dissolution of metallic lithium rises first and then drops with increase of LiCl content. Dissolution rate is greatly affected by viscosity of molten salt system. Polarization condition has no effect on dissolution of metallic lithium, and dissolution of lithium has no electrochemical characteristics. |
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