期刊
ELECTROCHEMISTRY
卷 84, 期 11, 页码 854-860出版社
ELECTROCHEMICAL SOC JAPAN
DOI: 10.5796/electrochemistry.84.854
关键词
Li Dendrite; Solid Electrolyte Interphase; Electrolyte Additives; Surface Morphology
资金
- Japan Science and Technology Agency PRESTO [1347486]
The surface morphology of the electrodeposited lithium metal from electrolyte solutions containing electrolyte additives: fluoroethylene carbonate (FEC), vinylene carbonate (VC) and lithium bis(oxalate)borate (LiBOB), were investigated. All the film forming additive improved the surface morphology. The FEC especially shows the most uniform surface morphology compared with the other electrolyte additives and the additive-free electrolyte. The surface analyses of the lithium metal were conducted using X-ray photoelectron spectroscopy (XPS) and attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy. The analytical study revealed that the FEC suppresses the decomposition of the PF6- anion, resulting in the formation of a thin stable SEI layer on the lithium metal. (C) The Electrochemical Society of Japan, All rights reserved.
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