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Investigation of the electrochemical properties of polymer-LiX-ionic liquid ternary systems

TitleInvestigation of the electrochemical properties of polymer-LiX-ionic liquid ternary systems
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2007
AuthorsTizzani, C., Appetecchi Giovanni Battista, Carewska M., Kim G.-T., and Passerini S.
JournalAustralian Journal of Chemistry
Volume60
Pagination47-50
ISSN00049425
KeywordsAmines, Electrochemical devices, Electrochemistry, Electrolytes, Fluorinated polymers, Ionic conduction, Ionic liquids, Negative ions, Polytetrafluoroethylenes, Surface chemistry, Ternary systems
Abstract

The electrochemical properties of ternary systems that consist of a polymer, a lithium salt, and an ionic liquid that shares the same anion (TFSI, bis(trifluoromethansulfonyl)imide) are reported and compared. The investigation involved two different polymers (PVdF-HFP and PTFE) that were selected because of their common use in lithium-based electrochemical devices. It was found that PVdF-HFP swelled by the ionic liquid used in the work while porous PTFE remained inert. The ternary electrolytes showed interesting ionic conductivities. However, the presence of fluorinated polymers resulted in poor interfacial properties with lithium metal electrodes. © CSIRO 2007.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-33846582414&doi=10.1071%2fCH06293&partnerID=40&md5=7b73d70df16b79e71dad4973fd15578b
DOI10.1071/CH06293
Citation KeyTizzani200747