Electrochemical Characteristics of Glycerolized PEO-Based Polymer Electrolytes

Membranes
Muhammad S MustafaM F Z Kadir

Abstract

In this article, poly(ethylene oxide)-based polymer electrolyte films doped with ammonium iodide (NH4I) and plasticized with glycerol were provided by a solution casting method. In the unplasticized system, the maximum ionic conductivity of 3.96 × 10-5 S cm-1 was achieved by the electrolyte comprised of 70 wt. % PEO:30 wt. % NH4I. The conductivity was further enhanced up to (1.77×10-4 S cm-1) for the plasticized system when 10 wt. % glycerol was added to the highest conducting unplasticized one at ambient temperature. The films were characterized by various techniques to evaluate their electrochemical performance. The results of impedance spectroscopy revealed that bulk resistance (Rb) considerably decreased for the highest plasticized polymer electrolyte. The dielectric properties and electric modulus parameters were studied in detail. The LSV analysis verified that the plasticized system can be used in energy storage devices with electrochemical stability up to 1.09 V and the TNM data elucidated that the ions were the main charge carrier. The values of the ion transference number (tion) and electron transfer number (tel) were calculated. The nonappearance of any redox peaks in the cyclic voltammograms indicated that the chemi...Continue Reading

References

Feb 8, 2008·Nature·M Armand, J-M Tarascon
Aug 30, 2008·The Journal of Physical Chemistry. a·Agnieszka PawlickaEwa Zygadło-Monikowska
Nov 13, 2013·Nanoscale Research Letters·Zijiong LiBaocheng Yang
Jul 22, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Shujahadeen B AzizM F Z Kadir
Jul 22, 2019·International Journal of Molecular Sciences·Shujahadeen B AzizRanjdar M Abdullah
Oct 2, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Shujahadeen B AzizSaifful K Muzakir
Oct 28, 2019·International Journal of Molecular Sciences·Shujahadeen B AzizM F Z Kadir

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Citations

Sep 13, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Aimi Mahirah ZulkifliPeshawa Omer Amin
Oct 7, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Shujahadeen B AzizRebar T Abdulwahid

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