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Eect of Tetraethylene Glycol Dimethyl Ether on Electrical, Structural and Thermal Properties of PVA-Based Polymer Electrolyte for Magnesium Battery
ACTA PHYSICA POLONICA A No. • 2015
Publication Information
Authors
R. Gamal, E. Sheha*, N. Shash and M.G. El-Shaarawy
Keywords
Not Available
Journal
ACTA PHYSICA POLONICA A No.
Publisher
Not Available
Volume
127
Issue
Not Available
Pages
813
publication.type
International
Paper Link
Open Link
Supplementary Materials
Not Available
Abstract
The aim of the contribution is to introduce a high performance magnesium conducting polymer electrolytes
(PEs) comprising hybrid of poly(vinyl alcohol) (PVA), magnesium bromide (MgBr2) and tetraethylene glycol
dimethyl ether (TEGDME) as plasticizer are prepared at various compositions by solution cast technique. X-ray
diraction and thermogravimetric analyses suggest a substantial structural modi cation, decrease in crystallinity
and various interactions in the polymer electrolyte components due to addition of TEGDME. Also there is a
marked decrease in Tg with increasing TEGDME. The conductivity conformation with the addition of plasticizer
which can be explained on the basis of dissociation of ion aggregates formed in PVAMgBr2 polymer electrolytes
at higher concentrations of the salt. The ionic conductivity of the polymer electrolyte increased with addition of
salt and plasticizer reached to the highest conductivity value of 10
(PEs) comprising hybrid of poly(vinyl alcohol) (PVA), magnesium bromide (MgBr2) and tetraethylene glycol
dimethyl ether (TEGDME) as plasticizer are prepared at various compositions by solution cast technique. X-ray
diraction and thermogravimetric analyses suggest a substantial structural modi cation, decrease in crystallinity
and various interactions in the polymer electrolyte components due to addition of TEGDME. Also there is a
marked decrease in Tg with increasing TEGDME. The conductivity conformation with the addition of plasticizer
which can be explained on the basis of dissociation of ion aggregates formed in PVAMgBr2 polymer electrolytes
at higher concentrations of the salt. The ionic conductivity of the polymer electrolyte increased with addition of
salt and plasticizer reached to the highest conductivity value of 10