期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 8, 期 48, 页码 5629-5632出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b615127b
关键词
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The lithium solvation in (1 - x)(EMI-TFSI), xLiTFSI ionic liquids where EMI+ is the 1-ethyl-3-methylimidazolium cation and TFSI- the bis(trifluoromethanesulfonyl)imide anion, is shown by Raman spectroscopy to involve essentially [Li(TFSI)(2)](-) anionic clusters for 0 < x < 0.4, but addition of stoichiometric amounts of solvents S such as oligoethers changes the lithium solvation into [Li(S)(m)](+) cationic clusters; the lithium transference number in TFSI- based ionic liquid electrolytes for lithium batteries should thus be strongly improved.
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