Role of Viscosity in Deviations from the Nernst-Einstein Relation

24 March 2020, Version 3
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Deviations from the Nernst-Einstein relation are commonly attributed to ion-ion correlation and ion-pairing. Despite the fact that these de- viations can be quantified by either experimental measurements or molecular dynamics simulations, there is no rule of thumb to tell the extent of deviations. Here, we show that deviations from the Nernst-Einstein relation is proportional to the inverse viscosity by exploring the finite-size effect on the transport properties in periodic boundary conditions. This conclusion is in accord with established experimental results of ionic liquids.


Keywords

Ionic Conduction
Electrolyte Solutions
Nernst-Einstein limit
ionic liquids
ion correlation

Supplementary materials

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toc NEdev
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NE dev SI 23 03 2020
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