Characteristics of ionically conducting jatropha oil-based polyurethane acrylate gel electrolyte doped with potassium iodide

Marwah Rayung, Min Min Aung, Azizan Ahmad, Mohd Sukor Su'ait, Luqman Chuah Abdullah, Siti Nurul Ain Md Jamil

Research output: Contribution to journalArticle

Abstract

Currently, there is a growing trend of using bio-based materials from renewable resources in the construction of polymer electrolytes. In this study, a gel polymer electrolyte from Jatropha oil-based polyurethane acrylate (PUA) was prepared by doping the PUA with various concentrations (0–30 weight%) of potassium iodide (KI) salt. The PUA gel electrolyte was characterized by Fourier-transform infrared spectrometry (FTIR), thermal analysis and electrochemical analysis was performed by using electrochemical impedance spectroscopy. Subsequently, the dielectric properties of the gel polymer electrolyte were studied. A conductivity of 1.59 × 10−4 S cm−1 was achieved for the PUA incorporated with 25 weight% KI at room temperature. The dielectric study indicated the non-Debye nature of the materials. It has been shown, via transference number measurement that the conducting species in this work were predominantly ions, with only 4% contribution from electrons. An electrochemical stability window of 2.0 V was obtained by using linear sweep voltammetry for the highest conducting gel electrolyte.

LanguageEnglish
Pages110-117
Number of pages8
JournalMaterials Chemistry and Physics
Volume222
DOIs
Publication statusPublished - 15 Jan 2019

Fingerprint

Potassium iodide
potassium iodides
Potassium Iodide
Polyurethanes
Solid electrolytes
solid electrolytes
acrylates
Electrochemical impedance spectroscopy
Dielectric properties
Thermoanalysis
Electrolytes
Fourier transform infrared spectroscopy
dielectric properties
Oils
Gels
oils
electrolytes
gels
conduction
Polymers

Keywords

  • Bio-based polymer
  • Gel electrolyte
  • Jatropha oil
  • Polyurethane acrylate

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Characteristics of ionically conducting jatropha oil-based polyurethane acrylate gel electrolyte doped with potassium iodide. / Rayung, Marwah; Aung, Min Min; Ahmad, Azizan; Su'ait, Mohd Sukor; Abdullah, Luqman Chuah; Ain Md Jamil, Siti Nurul.

In: Materials Chemistry and Physics, Vol. 222, 15.01.2019, p. 110-117.

Research output: Contribution to journalArticle

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AU - Abdullah, Luqman Chuah

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