Ether-Functionalized Sulfonium Ionic Liquid and Its Binary Mixtures with Acetonitrile as Electrolyte for Electrochemical Double Layer Capacitors: A Molecular Dynamics Study

30 April 2020, Version 1
This content is a preprint and has not undergone peer review at the time of posting.


We present a detailed study of dynamical, structural and electrical properties of a sulfonium-based ionic liquid and its mixtures with acetonitrile as electrolytes for supercapacitors by means of molecular dynamics simulations. The calculated viscosity and ionic conductivity are in excellent accordance with experimental data. The addition of acetonitrile decreases viscosity (increases ionic conductivity), that affects the charging time of the supercapacitors (increase power performance) without losing the capacitance performance (energy performance).


molecular dynamics
ionic liquid


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