Morphological, infrared, and ionic conductivity studies of poly(ethylene oxide)-49% poly(methyl methacrylate) grafted natural rubber-lithium perchlorate salt based solid polymer electrolytes

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Abstract

The potential of poly(ethylene oxide) (PEO) and 49% poly(methyl methacrylate) grafted natural rubber (MG49) as a polymer host in solid polymer electrolytes (SPE) was explored for electrochemical applications. PEO-MG49 SPEs with various weight percentages of lithium perchlorate salt (LiClO 4) was prepared with the solution casting technique. Characterization by scanning electron microscopy, Fourier transform infrared spectroscopy, and impedance spectroscopy was done to investigate the effect of LiClO 4 on the morphological properties, chemical interaction, and ionic conductivity behavior of PEO-MG49. Scanning electron microscopy analysis showed that the surface morphology of the sample underwent a change from rough to smooth with the addition of lithium salts. Infrared analysis showed that the interaction occurred in the polymer host between the oxygen atom from the ether group (C-O-C) and the Li + cation from doping salts. The ionic conductivity value increased with the addition of salts because of the increase in charge carrier up to the optimum value. The highest ionic conductivity obtained was 8.0 Ã - 10 -6 S/cm at 15 wt % LiClO 4.

Original languageEnglish
Pages (from-to)4222-4229
Number of pages8
JournalJournal of Applied Polymer Science
Volume124
Issue number5
DOIs
Publication statusPublished - 5 Jun 2012

Fingerprint

Rubber
Polymethyl Methacrylate
Ionic conductivity
Polyethylene oxides
Polymethyl methacrylates
Electrolytes
Polymers
Lithium
Salts
Infrared radiation
Scanning electron microscopy
Charge carriers
Ether
Chemical properties
Fourier transform infrared spectroscopy
Surface morphology
Cations
Ethers
Casting
Positive ions

Keywords

  • charge transfer
  • charge transport
  • conducting polymers
  • electrochemistry

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Surfaces, Coatings and Films
  • Chemistry(all)

Cite this

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title = "Morphological, infrared, and ionic conductivity studies of poly(ethylene oxide)-49{\%} poly(methyl methacrylate) grafted natural rubber-lithium perchlorate salt based solid polymer electrolytes",
abstract = "The potential of poly(ethylene oxide) (PEO) and 49{\%} poly(methyl methacrylate) grafted natural rubber (MG49) as a polymer host in solid polymer electrolytes (SPE) was explored for electrochemical applications. PEO-MG49 SPEs with various weight percentages of lithium perchlorate salt (LiClO 4) was prepared with the solution casting technique. Characterization by scanning electron microscopy, Fourier transform infrared spectroscopy, and impedance spectroscopy was done to investigate the effect of LiClO 4 on the morphological properties, chemical interaction, and ionic conductivity behavior of PEO-MG49. Scanning electron microscopy analysis showed that the surface morphology of the sample underwent a change from rough to smooth with the addition of lithium salts. Infrared analysis showed that the interaction occurred in the polymer host between the oxygen atom from the ether group (C-O-C) and the Li + cation from doping salts. The ionic conductivity value increased with the addition of salts because of the increase in charge carrier up to the optimum value. The highest ionic conductivity obtained was 8.0 {\~A} - 10 -6 S/cm at 15 wt {\%} LiClO 4.",
keywords = "charge transfer, charge transport, conducting polymers, electrochemistry",
author = "Azizan Ahmad and {Abd Rahman}, {Mohd Yusri} and Su'ait, {Mohd Sukor}",
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AU - Abd Rahman, Mohd Yusri

AU - Su'ait, Mohd Sukor

PY - 2012/6/5

Y1 - 2012/6/5

N2 - The potential of poly(ethylene oxide) (PEO) and 49% poly(methyl methacrylate) grafted natural rubber (MG49) as a polymer host in solid polymer electrolytes (SPE) was explored for electrochemical applications. PEO-MG49 SPEs with various weight percentages of lithium perchlorate salt (LiClO 4) was prepared with the solution casting technique. Characterization by scanning electron microscopy, Fourier transform infrared spectroscopy, and impedance spectroscopy was done to investigate the effect of LiClO 4 on the morphological properties, chemical interaction, and ionic conductivity behavior of PEO-MG49. Scanning electron microscopy analysis showed that the surface morphology of the sample underwent a change from rough to smooth with the addition of lithium salts. Infrared analysis showed that the interaction occurred in the polymer host between the oxygen atom from the ether group (C-O-C) and the Li + cation from doping salts. The ionic conductivity value increased with the addition of salts because of the increase in charge carrier up to the optimum value. The highest ionic conductivity obtained was 8.0 Ã - 10 -6 S/cm at 15 wt % LiClO 4.

AB - The potential of poly(ethylene oxide) (PEO) and 49% poly(methyl methacrylate) grafted natural rubber (MG49) as a polymer host in solid polymer electrolytes (SPE) was explored for electrochemical applications. PEO-MG49 SPEs with various weight percentages of lithium perchlorate salt (LiClO 4) was prepared with the solution casting technique. Characterization by scanning electron microscopy, Fourier transform infrared spectroscopy, and impedance spectroscopy was done to investigate the effect of LiClO 4 on the morphological properties, chemical interaction, and ionic conductivity behavior of PEO-MG49. Scanning electron microscopy analysis showed that the surface morphology of the sample underwent a change from rough to smooth with the addition of lithium salts. Infrared analysis showed that the interaction occurred in the polymer host between the oxygen atom from the ether group (C-O-C) and the Li + cation from doping salts. The ionic conductivity value increased with the addition of salts because of the increase in charge carrier up to the optimum value. The highest ionic conductivity obtained was 8.0 Ã - 10 -6 S/cm at 15 wt % LiClO 4.

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