Abstract
In this paper, we present a model for the thermal conductivity of ionic liquids and their mixtures with solvents based on the pseudolattice framework developed by Bahe and Varela. To this end, we first discuss the possible interpretation of some of the fundamental elements of lattice dynamics in the context of a liquid and show computational results that point to the existence of a well-defined vibrational spectrum in these systems. By adapting the idea of phonon hopping (a heat transfer mechanism with its roots in the theory of amorphous solids) we then arrive at a set of analytic expressions whose results are compared to our own experimental measurements of the temperature behavior of the thermal conductivity of pure ionic liquids and its dependence on concentration in mixtures with water and ethanol.
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