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

Cosimo Tizzani, Giovanni B. Appetecchi, Maria Carewska, Guk-Tae Kim, Stefano Passerini

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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.
Original languageEnglish
Pages (from-to)47 - 50
Number of pages4
JournalAustralian Journal of Chemistry
Volume60
Issue number1
DOIs
Publication statusPublished - 2007

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All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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