| Effect of Electrolytes on Electrochemical Properties of Magnesium Electrodes |
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Se-Young Ha, Anna Ryu, Woosuk Cho, Sang-Gil Woo, Jae-Hun Kim, Kyu Tae Lee, Jeom-Soo Kim, Nam-Soon Choi |
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Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology (UNIST);Advanced Batteries Research Center, Korea Electronics Technology Institute (KETI);Advanced Batteries Research Center, Korea Electronics Technology Institute (KETI);Advanced Batteries Research Center, Korea Electronics Technology Institute (KETI);Advanced Batteries Research Center, Korea Electronics Technology Institute (KETI);Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology (UNIST);Advanced Batteries Research Center, Korea Electronics Technology Institute (KETI);Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology (UNIST); |
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| Abstract |
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Magnesium (Mg) deposition and dissolution behaviors of 0.2 M $MgBu_2-(AlCl_2Et)_2$, 0.5 M $Mg(ClO_4)_2$, and 0.4M $(PhMgCl)_2-AlCl_3$-based electrolytes with and without tris(pentafluorophenyl) borane (TPFPB) are investigated by ex situ scanning electron microscopy (SEM) and galvanostatic cycling of Mg/copper (Cu) cells. To ascertain the factors responsible for the anodic stability of the electrolytes, linear sweep voltammogrametry (LSV) experiments for various electrolytes and solvents are conducted. The effects of TPFPB as an additive on the anodic stability of 0.4M ($(PhMgCl)_2-AlCl_3$/THF electrolyte are also discussed. |
| Keywords:
Anodic limit, Electrolyte, Magnesium deposition, Magnesium dissolution, Scanning electron microscopy |
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