Electrical studies on polyvinylidene fluoride-hexafluoropropylene (PVdF-HFP) based polymer electrolytes complexed with litium bis (oxatlato) borate (LiBOB) / Nor Farahah Sapwan

Sapwan, Nor Farahah (2012) Electrical studies on polyvinylidene fluoride-hexafluoropropylene (PVdF-HFP) based polymer electrolytes complexed with litium bis (oxatlato) borate (LiBOB) / Nor Farahah Sapwan. [Student Project] (Unpublished)

Abstract

Polymer electrolytes based on poly(vinylidenefluoride)-hexafluoropropylene (PVdF-HFP) complexed with litium bis(oxatlato) borate (LiBOB) have been prepared using direct dissolution technique. The complexation of salt with PVdF-HFP was confirmed by electrical and structural studies. LEs were first prepared by dissolving lithium salt, LiBOB in dimethyl sulfoxide (DMSO) using various molar concentrations of LiBOB. The optimum conductivity (0.8 M) of liquid electrolyte (LE) that measured by electrical impedance spectroscopy (EIS) was gelled with different concentration of PVdF-HFP. The highest conductivity of PGE with 4 wt.% was chosen as it completely been in gel form. The plot of log o versus 1000/T for all systems implies that the systems follow the Arrhenius rule, in which conductivity is thermally assisted. The interaction between components also was studied using ATR-FTIR spectroscopy. Room temperature (28°C) conductivity of 3.99 x 10"3 Scm"1 was observed in DMSO-0.8 M LiBOB-4 wt.% PVdF-HFP polymer system.

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Item Type: Student Project
Creators:
Creators
Email / ID Num.
Sapwan, Nor Farahah
UNSPECIFIED
Contributors:
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Thesis advisor
Ali, Ab Malik Marwan (Assoc. Prof. Dr. )
UNSPECIFIED
Subjects: Q Science > QD Chemistry > Physical and theoretical chemistry
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Applied Sciences
Programme: Degree of Bachelor of Science (Hons.) Physic
Keywords: PVdF-HFP, polymer, litium
Date: July 2012
URI: https://ir.uitm.edu.my/id/eprint/43943
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