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Prof. Mahmoud Ahmed Mohamed Mousa :: Publications:

Title:
Organic–inorganic composite polymer electrolyte based on PEO–LiClO4 and nano-Al2O3 filler for lithium polymer batteries: Dielectric and transport properties
Authors: Not Available
Year: 2013
Keywords: Not Available
Journal: Not Available
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: International
Paper Link: Not Available
Full paper Mahmoud Ahmed Mohamed Mousa_Organic-inorganic composite polymer electrolyte based on PEO-LiClO4.pdf
Abstract:

Nano-Al2O3 with an average size of 42 nm was prepared by pyrolysis method. PEO–LiClO4 based composite polymer electrolyte was prepared using solution cast technique. The samples were characterized by X-ray diffraction (XRD), differential scanning calorimetry (DSC) and infra red (FT-IR) techniques. Effect of nano-Al2O3 ceramic filler concentration on the composite structure and its electrical properties (DC-conductivity, AC-conductivity, dielectric constant, dielectric loss and impedance) at a frequency and temperature ranges of 0–105 Hz and 293–323 K, respectively was studied. Melting temperature (Tm) of PEO decreased with addition of both LiClO4 salt and nano-Al2O3 filler due to increasing the amorphous state of polymer. All composite samples showed an ionic conductivity with the highest value for the sample containing 1.25 mol of nano-Al2O3. All results are correlated and discussed

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