Effect of ionic liquid on the electrical property of chitosan-based polymer electrolyte / Nadiatul Asma'a Mohd Bakhtir.

Mohd Bakhtir, Nadiatul Asma'a (2013) Effect of ionic liquid on the electrical property of chitosan-based polymer electrolyte / Nadiatul Asma'a Mohd Bakhtir. [Student Project] (Unpublished)

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Abstract

A composition of host electrolyte chitosan and ionic liquid l-butyl-3-methylimidazolium hexafluorophosphate, BMIM-PF6 as the doping salt was prepared by solution casting technique. The main objective of this study is to study the effect of ionic liquid on the electrical property of chitosan - based polymer electrolyte and structural property of chitosanbased polymer electrolytes. Six different compositions of the polymer electrolytes were prepared with various salt concentrations, ranging from 0 wt% to 50 wt%. Composition dependence conductivity of all the samples at room temperature were measured using the Electrical Impedance Spectroscopy (EIS) at frequency range from 100 Hz to 1MHz. The highest conductivity recorded was 1.0 x 10-3 Scm-1 for sample with 40 wt% BMIM-PF6 composition. The temperature dependence conductivity of the polymer electrolyte system with salt composition of 40 wt% obeys the Arrhenius rule, suggesting that the conductivity is a thermally assisted process. The dielectric study suggests that an increment in salt content from 10 to 40 wt% yields an enhancement in ionic conductivity. Fourier Transform Infrared (FTIR) study suggested the occurrence of complexation between the chitosan - based polymer electrolyte and the ionic liquid of l-butyl-3-methylimidazolium hexafluorophosphate, BMIM-PF6.

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Item Type: Student Project
Creators:
Creators
Email
Mohd Bakhtir, Nadiatul Asma'a
UNSPECIFIED
Contributors:
Contribution
Name
Email / ID Num.
Thesis advisor
Tan, Winie (Dr)
UNSPECIFIED
Subjects: Q Science > QC Physics > Mathematical physics
Q Science > QC Physics > Electricity and magnetism
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Applied Sciences
Programme: Bachelor of Science (Hons.) Environmental technology
Item ID: 45717
Uncontrolled Keywords: Ionic liquid, Electrical property, Polymer electrolyte
URI: https://ir.uitm.edu.my/id/eprint/45717

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