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HERO ID
8789363
Reference Type
Journal Article
Title
Ternary polymer electrolytes containing pyrrolidinium-based polymeric ionic liquids for lithium batteries
Author(s)
Appetecchi, GB; Kim, GT; Montanina, M; Carewska, M; Marcilla, R; Mecerreyes, D; De Meatza, I
Year
2010
Is Peer Reviewed?
Yes
Journal
Journal of Power Sources
ISSN:
0378-7753
Volume
195
Issue
11
Page Numbers
3668-3675
DOI
10.1016/j.jpowsour.2009.11.146
Web of Science Id
WOS:000275386100044
Abstract
The electrochemical properties of solvent-free, ternary polymer electrolytes based on a novel poly(diallyldimethylammonium) bis(trifluoromethanesulfonyl)imide polymeric ionic liquid (PIL) as polymer host and incorporating PYR14TFSI ionic liquid and LiTFSI salt are reported. The PIL-LiTFSI-PYR14TFSI electrolyte membranes were found to be chemically stable even after prolonged storage times in contact with lithium anode and thermally stable up to 300 degrees C. Particularly, the PIL-based electrolytes exhibited acceptable room temperature conductivity with wide electrochemical stability window, time-stable interfacial resistance values and good lithium stripping/plating performance. Preliminary battery tests have shown that Li/LiFePO4 solid-state cells are capable to deliver above 140mAh g(-1) at 40 degrees C with very good capacity retention up to medium rates. (C) 2009 Elsevier B.V. All rights reserved.
Keywords
Pyrrolidinium ionic liquids; Poly(diallyldimethylammonium); bis(trifluoromethanesulfonyl)imide; N-Butyl-N-methylpyrrolidinium; bis(trifluoromethanesulfonyl)imide; Polymer electrolytes; Lithium polymer batteries
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