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Synthesis and Characterization of Gel Polymer Electrolyte Based Ionic Liquid for Battery Application

Mohamed Lias, Mohamed Asyraf (2015) Synthesis and Characterization of Gel Polymer Electrolyte Based Ionic Liquid for Battery Application. IRC, Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

In order to keep the rapid growth of development about the portable electronic device, improving the performance of gel polymer electrolyte (GPE) has become the goal of this research. This research has improved the performance of liquid electrolyte battery through replacing it with GPE. GPE was synthesized by the combination of polymer, ionic solution (1-ethyl-3-methylimidazolium trifluoro-methanesulfonate (EMITf) and salt solution (magnesium triflate (Mg (Tf) 2).GPE was tested with different ratio between electrolyte and polymer to study the best ratio with good stability, conductivity and crystalline structure. Then three different polymers compared were Poly (vinylidene fluoride hexafluoropropylene) (PVdF-HFP), Polyvinyl achohol (PVA) and Poly polyvinyl alcohol-co- Poly (vinylidene fluoride hexafluoropropylene) (PVA-PVdf-HFP) to investigate the highest conductivity among the polymers. Fourier Transform infrared (FTIR), Thermogravimetric analysis (TGA) and scanning electron microscopic (SEM) and conductivity test were used to investigate GPE conductivity and thermal properties. PVA-PVdf-HFP had shown a good result in ratio of GPE 5:1.75 electrolyte to polymer. In addition, PVA-PVdf-HFP based GPE shows semi crystalline microstructure and amorphous region picture. Meanwhile, the Thermogravimetric Analysis (TGA) test had shown below than 20 percent loss in weight after blend up to 260 oC. Lastly, the DC conductivity measurement had shown a measurement 3.125 x 10-4Scm-1. Based on the research, PVA-PVdf-HFP had shown the best conductivity and properties to act as the host polymer in GPE.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 22 Feb 2016 10:25
Last Modified: 25 Jan 2017 09:35
URI: http://utpedia.utp.edu.my/id/eprint/16267

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