期刊
JOURNAL OF POWER SOURCES
卷 146, 期 1-2, 页码 813-816出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2005.03.157
关键词
high power; lithium ion batteries; nitrile solvents
With the aim of improving the rate capability and the safety of nanocrystalline Li4Ti5O12-based high power lithium ion batteries, two high boiling point nitrile-based electrolytes namely, 3-ethoxypropionitrile (CH3CH2OCH2CH2CN, EPN)/1 M LiTFSI and 3-(2,2,2-trifluoro)ethoxypropionitrile (CF3CH2OCH2CHCN, FEPN)/1 M LiTFSI, are investigated in this study. Both electrolytes demonstrated superior rate capability to that of EC+DMC-based electrolyte, owing to the fast interfacial charge transfer process of lithium insertion/extraction. (c) 2005 Elsevier B.V. All rights reserved.
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