4.4 Article

Ionic liquid doped solid polymer electrolyte: Synthesis, characterization and applications ICSEM-2021

期刊

HIGH PERFORMANCE POLYMERS
卷 34, 期 6, 页码 645-651

出版社

SAGE PUBLICATIONS LTD
DOI: 10.1177/09540083221081081

关键词

solid polymer electrolyte; ionic liquid supercapacitor; cyclic voltammetry; specific capacitance

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This paper used polymer polyethylene oxide as a host matrix and novel electrolyte ionic liquid 1-ethyl-3-methylimidazolium tricyanomethanide as a dopant to increase ionic mobility. Different characterization techniques were used to identify the properties of the solid polymer electrolyte. A laboratory scale supercapacitor was fabricated using optimized solid polymer electrolyte film and porous carbon derived from corn starch, showing a specific capacitance of 13.6 F/g at 50 mV/s scan rate.
In this paper, we have used polymer polyethylene oxide as a host matrix and novel electrolyte ionic liquid 1-ethyl-3-methylimidazolium tricyanomethanide as an dopant to increase ionic mobility. Different characterization techniques like Electrochemical impedance spectroscopy, dielectric measurement, Fourier transform, X-ray diffraction, polarized optical microscopy, thermogravinometric analysis were used to identify the electrical, optical, structural and thermal properties. A laboratory scale supercapacitor has been fabricated using optimized solid polymer electrolyte film as an electrolyte and porous carbon derived from corn starch which shows a specific capacitance 13.6 F/g at 50 mV/s scan rate.

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