Specific features of the synthesis and the physicochemical properties of nanocomposite polymer electrolytes based on poly(ethylene glycol) diacrylate with the introduction of SiO2


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Abstract

The specific features of the synthesis and the physicochemical properties of new nanocomposite polymer electrolytes (NPE) based on poly(ethylene glycol) diacrylate, a liquid electrolyte, and silicon dioxide were studied. The kinetics of polymerization of the system in question were studied by isothermal calorimetry and the optimal conditions for the hardening of the NPE were selected. The dependence of the conductivity of the electrolyte samples on the amount of SiO2 nanopowder introduced, the presence of preliminary ultrasonic treatment of the nanocomposite mixture before the synthesis, and the storage duration of the samples was studied using the electrochemical impedance method. The maximum conductivity (4.3•10–3 S cm–1 at 20 °C) was observed for samples without preliminary treatment with the introduction of 6 wt.% of SiO2 and for the samples after ultrasonic treatment with 8 wt.% of SiO2. The electrolyte films with the optimal SiO2 content of 4 wt.% maintained their properties for 24 months.

About the authors

A. V. Yudina

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: oyarm@icp.ac.ru
Russian Federation, 1 prosp. Akad. Semenova, Chernogolovka, Moscow Region, 142432

M. P. Berezin

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: oyarm@icp.ac.ru
Russian Federation, 1 prosp. Akad. Semenova, Chernogolovka, Moscow Region, 142432

G. R. Baymuratova

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: oyarm@icp.ac.ru
Russian Federation, 1 prosp. Akad. Semenova, Chernogolovka, Moscow Region, 142432

N. I. Shuvalova

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: oyarm@icp.ac.ru
Russian Federation, 1 prosp. Akad. Semenova, Chernogolovka, Moscow Region, 142432

O. V. Yarmolenko

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Author for correspondence.
Email: oyarm@icp.ac.ru
Russian Federation, 1 prosp. Akad. Semenova, Chernogolovka, Moscow Region, 142432

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