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Characterisation of plasticised PVDF–HFP polymer electrolytes

Mohd. Noor, Mazni and Careem, M. A. and Majid, Siti Rohana and Arof, Abdul Kariem (2011) Characterisation of plasticised PVDF–HFP polymer electrolytes. Materials Research Innovations, 15 (supp.2). S2-157. ISSN 1433-075X

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This study focuses on the preparation and characterisation of sodium ion conducting polymer electrolytes. Poly(vinylidenefluoride-co-hexafluoropropylene) has been used as the host matrix and hydrated sodium sulphide (Na2S.9H2O) salt as the source of charge carriers in the polymer electrolyte system. To the highest conducting polymer–salt electrolyte, different concentrations of equal weight of propylene carbonate and diethyl carbonate mixture have been added, and the electrolytes have been characterised by X-ray diffraction, Fourier transform infrared spectrometry, scanning electron microscopy and electrochemical impedance spectroscopy. The room temperature ionic conductivity of 1?3461024 S cm21 for the unplasticised electrolyte with a composition of 65 wt-% poly(vinylidenefluoride-co-hexafluoropropylene)–35 wt-%Na2S increased to 3?4961024 S cm21 when 30 wt-% propylene carbonate/diethyl carbonate (w/w51) plasticisers were added.

Item Type: Article (Journal)
Additional Information: 4950/18873
Uncontrolled Keywords: polymer electrolytes, PVDF–HFP, ionic conductivity
Subjects: T Technology > TS Manufactures
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Centre for Foundation Studies
Depositing User: Nur' Aini Abu Bakar
Date Deposited: 17 Feb 2012 11:03
Last Modified: 17 Feb 2012 11:03
URI: http://irep.iium.edu.my/id/eprint/18873

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