Investigation of the Electrochemical Properties of Polymer–LiX–Ionic Liquid Ternary Systems

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

doi:10.1071/CH06293

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Investigation of the Electrochemical Properties of Polymer–LiX–Ionic Liquid Ternary Systems

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

+ Author Affiliations

- Author Affiliations

^A Italian Agency for New Technologies, Energy and the Environment (ENEA), Via Anguillarese 301, 00060 Rome, Italy.

^B Corresponding author. Email: passerini@casaccia.enea.it

Australian Journal of Chemistry 60(1) 47-50 https://doi.org/10.1071/CH06293
Submitted: 14 August 2006 Accepted: 6 November 2006 Published: 29 January 2007

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.

References

Investigation of the Electrochemical Properties of Polymer–LiX–Ionic Liquid Ternary Systems

Abstract

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