Polyvinyl alcohol/ammonium iodide/ionic liquid‐4‐ethyl‐4‐methylmorpholiniumbromide based polymer electrolytes and its application in electric double layer capacitor

In this study, we have synthesized solid polymer electrolytes using polyvinyl alcohol as a host polymer that has been doped with ionic liquid and ammonium iodide. Impedance spectroscopy revealed that the increase in ionic liquid doping increased the ionic conductivity of the PVA‐NH4I complex. The cr...

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Bibliographic Details
Published in:Energy storage (Hoboken, N.J. : 2019) N.J. : 2019), 2024-03, Vol.6 (2), p.n/a
Main Authors: Gairola, Yashvi, Rajput, Kanika, Tomar, Richa, Kumar, Sushant, Konwar, Subhrajit, Aldbea, Ftema W., Yadav, Tarun, Yahya, M. Z. A., Singh, Pramod K.
Format: Article
Language:English
Subjects:
capacitance
Electric double layer
electrolyte
Electrolytes
Fourier transforms
Infrared spectroscopy
Ion currents
ionic liquid
Ionic liquids
Molten salt electrolytes
Optical microscopy
Polymer films
Polymers
Polyvinyl alcohol
Solid electrolytes
supercapacitor
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Summary:In this study, we have synthesized solid polymer electrolytes using polyvinyl alcohol as a host polymer that has been doped with ionic liquid and ammonium iodide. Impedance spectroscopy revealed that the increase in ionic liquid doping increased the ionic conductivity of the PVA‐NH4I complex. The crystalline nature of the polymeric films was studied using polarized optical microscopy and x‐ray diffraction. To confirm the blending ability of polymer electrolyte, Fourier transform infrared spectroscopy was also used. Finally, a supercapacitor was fabricated using the highest conducting IL‐doped polymer electrolyte which demonstrates a specific capacitance of 97 F/g with a stable efficiency.
ISSN:2578-4862
2578-4862
DOI:10.1002/est2.614