Role of salt concentration lithium perchlorate on ionic conductivity and structural of (glycidyl methacrylate -co-ethyl methacrylate) (70/30) based on a solid polymer electrolyte

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Imperiyka M.
Ahmad A.
Hanifah S.A.
Rahman M.Y.A.
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A new solid polymer electrolytes (SPE) comprising copolymer of poly(glycidyl methacrylate, GMA) and (ethyl methacrylate, EMA) as polymer host and LiClO4 as dopant was prepared by solution-casting technique. The copolymer was prepared by photopolymerization method and was characterized using NMR. The SPEs were characterized using electrochemical impedance spectroscopy (EIS), fourier transforms infrared (FTIR) and X-ray diffraction (XRD). The highest conductivity achieved was 4.0x10-4 at 373K with highest conductivity at room temperature (2.7x10-5 S cm-1 at 30 wt. % of LiClO4). The active coordination site for the cation (Li+), three electrons donating functional carbonyl, ether and epoxy group of the GMA-co-EMA host have been evaluated base on their properties that were recorded in (FTIR). The structural analysis showed reduction in copolymer crystallinity phases at its highest conductivity. � (2013) Trans Tech Publications, Switzerland.
Ethyl methacylate , Glycidyl methacrylate , Ionic conductivity , Lithium ion battery , Copolymers , Electrochemical impedance spectroscopy , Ethers , Fourier transform infrared spectroscopy , Fourier transforms , Inorganic compounds , Ionic conduction in solids , Ionic conductivity , Lithium , Photopolymerization , Polyelectrolytes , X ray diffraction , Coordination sites , Crystallinities , Epoxy group , Ethyl methacrylates , Ethyl methacylate , FTIR , Glycidyl methacrylate , Lithium perchlorate , Lithium-ion battery , Room temperature , Salt concentration , Solid polymer electrolytes , Solution-casting technique , Acrylic monomers