2016•Electrochemical Energy TechnologyOpen access

The role of the solvent in PMMA gel polymer electrolytes

J. Vondrák, Michal Musil, Marie Sedlařı́ková, Radim Kořínek, K. Bartušek, Andrea Straková Fedorková

Abstract

Abstract Ionic mobility and solvent vapor pressure were studied on gels containing sodium perchlorate, polymethylmethacrylate and sulfolane as a solvent. The excess of solvent increases markedly the mobility of ions and is indicated by solvent evaporation at elevated temperature. The solvent is bonded similarly as in the liquid solution of sodium salt. The heat of solvent evaporation from gels is near to that of pure solvents.

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Key concepts: Sulfolane, Solvent, Electrolyte, Salt (chemistry), Evaporation, Sodium, Chemistry, Sodium perchlorate