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New type of lithium poly(polyfluoroalkoxy)sulfonylimides as salts for PEO‐based solvent‐free electrolytes
Author(s) -
Liu DaFan,
Nie Jin,
Zhuo LianMeng,
Liu LieWei,
Sonoda Takaaki
Publication year - 2001
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.2032
Subject(s) - electrolyte , lithium (medication) , ethylene oxide , electrochemistry , conductivity , solvent , ionic conductivity , polymer chemistry , chemistry , inorganic chemistry , materials science , stripping (fiber) , polymer , electrode , organic chemistry , copolymer , medicine , endocrinology , composite material
A new type of lithium salts, —SO 2 NLiSO 2 OCH 2 (CF 2 ) n CH 2 O m — (LiPPFASI, where n = 2, 3, 4, 6, and 7), was used as salts in poly(ethylene oxide) (PEO)‐based solvent‐free electrolytes. The conductivity and electrochemical stability behaviors were studied. The results showed the electrolytes almost have a similar conductivity and the PEO–LiPPFASI ( n = 3, EO/Li = 10) was the relatively better system under the experiment conditions. Moreover, most systems were found to be oxidatively stable up to 5.5 V versus Li/Li + and the lithium deposition‐stripping process on the electrode was reversible for all the polymer electrolytes. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 82: 1882–1885, 2001
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