Mg deposition observed by in situ electrochemical Mg K-edge X-ray absorption spectroscopy

被引：56
|
作者：
Arthur, Timothy S. [1 ]
Glans, Per-Anders [2 ]
Matsui, Masaki [1 ]
Zhang, Ruigang [1 ]
Ma, Biwu [3 ]
Guo, Jinghua [2 ]
机构：
[1] Toyota Res Inst N Amer, Ann Arbor, MI 48105 USA
[2] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA
[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA 94720 USA
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2012年 / 24卷
关键词：
In situ electrochemical/XAS; Magnesium batteries; Interface analysis; Electrodeposition; ELECTROLYTE-SOLUTIONS; MAGNESIUM DEPOSITION; STRUCTURAL-ANALYSIS; BATTERIES;
D O I：
10.1016/j.elecom.2012.08.018
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The electrochemical deposition of magnesium from [Mg-2(mu-Cl)(3)center dot 6(OC4H8)](+) has been monitored in situ with X-ray absorption spectroscopy. The viability of the cell design was confirmed by a reversible shift in the X-ray absorption near-edge spectroscopy (XANES) of the Mg K-edge. In situ electrochemical XANES revealed the presence of an interfacial Mg intermediate below the equilibrium Mg/Mg2+ potential. A new method has been established to directly observe the complex electrochemical reduction process from Mg electrolytes. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：43 / 46
页数：4
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