Ionic Liquid Binary Mixtures for Low Temperature Applications

Giovanni Battista Appetecchi; Maria Montanino; Maria Carewska; Fabrizio Alessandrini; Stefano Passerini

doi:10.4028/www.scientific.net/AST.72.315

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 72Ionic Liquid Binary Mixtures for Low Temperature...

Ionic Liquid Binary Mixtures for Low Temperature Applications

Abstract:

The thermal and transport properties of PYR1(2O1)TFSI-PYR13FSI ionic liquid binary mixtures as electrolytes for low temperature electrochemical devices are reported in the present paper. The DSC measurements are in good agreement with the conductivity results. It is shown that the incorporation of even small mole fractions (x  0.3) of PYR1(2O1)TFSI into PYR13FSI strongly hinders the ability of the samples to crystallize. This results in a very large conductivity enhancement for the PYR1(2O1)TFSI-PYR13FSI binary mixtures, particularly at low temperatures, that were seen to approach conduction values of 10-4 Scm-1 and 10-3 Scm-1 at -40°C and -20°C, respectively. Such an interesting behavior makes PYR1(2O1)TFSI-PYR13FSI binary mixtures particularly appealing for low temperature applications.

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Periodical:

Advances in Science and Technology (Volume 72)

Pages:

315-319

DOI:

https://doi.org/10.4028/www.scientific.net/AST.72.315

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Online since:

October 2010

Authors:

Giovanni Battista Appetecchi, Maria Montanino, Maria Carewska, Fabrizio Alessandrini, Stefano Passerini

Keywords:

Ionic Liquid Mixture, PYR₁₍₂₀₁₎TFSI, PYR₁₃FSI

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