Ionic conductivity of lithium gel polymer electrolyte based poly (methyl methacrylate) grafted natural rubber ( MG49) / Nur Sabirah Ahmad

Ahmad, Nur Sabirah (2012) Ionic conductivity of lithium gel polymer electrolyte based poly (methyl methacrylate) grafted natural rubber ( MG49) / Nur Sabirah Ahmad. Degree thesis, Universiti Teknologi MARA.

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Abstract

MG49 is a natural rubber grafted with 49% poly (methyl methacrylate).Gel polymer electrolytes containing MG49- Li2CO3 -EC were prepared by solution cast technique. Alternating current electrochemical impedances spectroscopy was employed to investigate the ionic conductivity of the electrolytes film at 27°C and the analysis showed that the addition of EC plasticizer has increased the ionic conductivity up to 5.84 x 10-8 S/cm. The polymer-salt complexes were investigated using Fourier Transformed Infrared Spectroscopy to study the interactions between lithium ions and MG49 polymer host. The representation of infrared spectra of pure MG49 and MG49-salt complexes with various concentrations of salted can be observed that when lithium carbonate was added to MG49,.Vibrational spectra data reveals that symmetrical carbonyl group (C=0) in MG49 - salt stretch at 1727.45 cm-1.

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Item Type: Thesis (Degree)
Creators:
Creators
Email
Ahmad, Nur Sabirah
UNSPECIFIED
Contributors:
Contribution
Name
Email / ID Num.
Thesis advisor
Ali, Ab Malik Marwan (Prof Madya Dr)
UNSPECIFIED
Subjects: Q Science > QD Chemistry > Inorganic chemistry > Lithium
Q Science > QD Chemistry > Crystallography
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Applied Sciences
Programme: Bachelor of Science (Hons.) Physics
Item ID: 48691
Uncontrolled Keywords: Ionic conductivity, MG49, Electrochemical impedances spectroscopy
URI: https://ir.uitm.edu.my/id/eprint/48691

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