Mixtures of Ionic Liquid in Combination with Graphite Electrodes: The Role of Electrolyte Additives and Li-salt

The role of two different Li salt, lithium hexafluorophosphate, LiPF6, and lithium bis(trifluoromethansulfonyl) imide, LiTFSI, in mixtures of two ionic liquids, N-methyl-N-butyl pyrrolidinium bis(trifluoromethansulfonyl)imide (PYR14TFSI) and N-methyl-N-propylpyrrolidinium bis(fluorosulfonyl)imide (P...

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Bibliographic Details
Published in:ECS transactions 2009-05, Vol.16 (35), p.45-49
Main Authors: Lux, Simon F., Schmuck, Martin, Rupp, Barbara, Kern, Wolfgang, Appetecchi, Giovanni B., Passerini, Stefano, Winter, Martin, Balducci, Andrea
Format: Article
Language:English
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Summary:The role of two different Li salt, lithium hexafluorophosphate, LiPF6, and lithium bis(trifluoromethansulfonyl) imide, LiTFSI, in mixtures of two ionic liquids, N-methyl-N-butyl pyrrolidinium bis(trifluoromethansulfonyl)imide (PYR14TFSI) and N-methyl-N-propylpyrrolidinium bis(fluorosulfonyl)imide (PYR13FSI) has been investigated. The influences of the considered mixtures on the specific capacity and the cycling stability of the electrodes have been investigated at RT. The results of this investigation are presented in this manuscript.
ISSN:1938-5862
1938-6737
DOI:10.1149/1.3123126