Preparation and characterization of PVDF-HFP/MG49 based polymer blend electrolyte

N. Ataollahi, Azizan Ahmad, H. Hamzah, Mohd Yusri Abd Rahman, N. S. Mohamed

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Solid polymer electrolytes comprising poly (vinylidene fluoride-hexafluoro propylene) (PVDF-HFP), Poly (methyl methacrylate)-grafted natural rubber (MG49) and lithium salt (LiBF 4) were prepared by solution casting technique. The membranes were characterized by impedance spectroscopy (EIS), fourier transform infrared spectroscopy (FTIR), x-ray diffraction (XRD) and scanning electron microscopy (SEM). The electrolyte exhibited the highest room temperature conductivity 2.8×10 _4 S cm -1 at 30 wt. % of LiBF 4. The conductivity increases with temperature but it does not obey Arrhenius rule. The interaction between lithium ions and polymer host was confirmed by fourier transform infrared spectroscopy. The XRD result confirmed that adding salt led to decrease the degree of crystallinity. The SEM studies showed that the morphology improved in the presence of the salt.

Original languageEnglish
Pages (from-to)6693-6703
Number of pages11
JournalInternational Journal of Electrochemical Science
Volume7
Issue number8
Publication statusPublished - Aug 2012

Fingerprint

Polymer blends
Electrolytes
Propylene
Salts
Lithium
Fourier transform infrared spectroscopy
Polymers
Diffraction
X rays
Scanning electron microscopy
Rubber
Polymethyl Methacrylate
Polymethyl methacrylates
Casting
Spectroscopy
Ions
Membranes
Temperature
propylene
polyvinylidene fluoride

Keywords

  • Arrhenius Rule
  • Ionic Conductivity
  • Polymer Blend
  • Polymer Electrolyte

ASJC Scopus subject areas

  • Electrochemistry

Cite this

Preparation and characterization of PVDF-HFP/MG49 based polymer blend electrolyte. / Ataollahi, N.; Ahmad, Azizan; Hamzah, H.; Abd Rahman, Mohd Yusri; Mohamed, N. S.

In: International Journal of Electrochemical Science, Vol. 7, No. 8, 08.2012, p. 6693-6703.

Research output: Contribution to journalArticle

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