Solid polymer electrolytes. XI. Preparation, characterization and ionic conductivity of new plasticized polymer electrolytes based on chemical-covalent polyether-siloxane hybrids

Wuu Jyh Liang, Ying Pin Chen, Chien Pang Wu, Ping-Lin Kuo

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9 Citations (Scopus)

Abstract

A new hybrid polymer electrolyte system based on chemical-covalent polyether and siloxane phases is designed and prepared via the sol-gel approach and epoxide crosslinking. FT-IR, 13 C solid-state NMR, and thermal analysis (differential scanning calorimetry (DSC) and TGA) are used to characterize the structure of these hybrids. These hybrid films are immersed into the liquid electrolyte (IM LiClO 4 /propylene carbonate) to form plasticized polymer electrolytes. The effects of hybrid composition, liquid electrolyte content, and temperature on the ionic conductivity of hybrid electrolytes are investigated and discussed. DSC traces demonstrate the presence of two second-order transitions for all the samples and show a significant change in the thermal events with the amount of absorbed LiClO 4 /PC content. TGA results indicate these hybrid networks with excellent thermal stability. The EDS-0.5 sample with a 75 wt % liquid electrolyte exhibits the ionic conductivity of 5.3 × 10 -3 Scm -1 at 95°C and 1.4 × 10 -3 S cm -1 at 15°C, in which the film shows homogenous and good mechanical strength as well as good chemical stability. In the plot of ionic conductivity and composition for these hybrids containing 45 wt % liquid electrolyte, the conductivity shows a maximum value corresponding to the sample with the weight ratio of GPTMS/PEGDE of 0.1. These obtained results are correlated and used to interpret the ion conduction behavior within the hybrid networks.

Original languageEnglish
Pages (from-to)1000-1007
Number of pages8
JournalJournal of Applied Polymer Science
Volume100
Issue number2
DOIs
Publication statusPublished - 2006 Apr 15

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Siloxanes
Polyethers
Ionic conductivity
Electrolytes
Polymers
Liquids
Differential scanning calorimetry
Epoxy Compounds
Chemical stability
Chemical analysis
Crosslinking
Thermoanalysis
Propylene
Strength of materials
Sol-gels
Energy dispersive spectroscopy
Carbonates
Thermodynamic stability
Nuclear magnetic resonance
Ions

All Science Journal Classification (ASJC) codes

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

Cite this

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title = "Solid polymer electrolytes. XI. Preparation, characterization and ionic conductivity of new plasticized polymer electrolytes based on chemical-covalent polyether-siloxane hybrids",
abstract = "A new hybrid polymer electrolyte system based on chemical-covalent polyether and siloxane phases is designed and prepared via the sol-gel approach and epoxide crosslinking. FT-IR, 13 C solid-state NMR, and thermal analysis (differential scanning calorimetry (DSC) and TGA) are used to characterize the structure of these hybrids. These hybrid films are immersed into the liquid electrolyte (IM LiClO 4 /propylene carbonate) to form plasticized polymer electrolytes. The effects of hybrid composition, liquid electrolyte content, and temperature on the ionic conductivity of hybrid electrolytes are investigated and discussed. DSC traces demonstrate the presence of two second-order transitions for all the samples and show a significant change in the thermal events with the amount of absorbed LiClO 4 /PC content. TGA results indicate these hybrid networks with excellent thermal stability. The EDS-0.5 sample with a 75 wt {\%} liquid electrolyte exhibits the ionic conductivity of 5.3 × 10 -3 Scm -1 at 95°C and 1.4 × 10 -3 S cm -1 at 15°C, in which the film shows homogenous and good mechanical strength as well as good chemical stability. In the plot of ionic conductivity and composition for these hybrids containing 45 wt {\%} liquid electrolyte, the conductivity shows a maximum value corresponding to the sample with the weight ratio of GPTMS/PEGDE of 0.1. These obtained results are correlated and used to interpret the ion conduction behavior within the hybrid networks.",
author = "Liang, {Wuu Jyh} and Chen, {Ying Pin} and Wu, {Chien Pang} and Ping-Lin Kuo",
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T1 - Solid polymer electrolytes. XI. Preparation, characterization and ionic conductivity of new plasticized polymer electrolytes based on chemical-covalent polyether-siloxane hybrids

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AU - Wu, Chien Pang

AU - Kuo, Ping-Lin

PY - 2006/4/15

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AB - A new hybrid polymer electrolyte system based on chemical-covalent polyether and siloxane phases is designed and prepared via the sol-gel approach and epoxide crosslinking. FT-IR, 13 C solid-state NMR, and thermal analysis (differential scanning calorimetry (DSC) and TGA) are used to characterize the structure of these hybrids. These hybrid films are immersed into the liquid electrolyte (IM LiClO 4 /propylene carbonate) to form plasticized polymer electrolytes. The effects of hybrid composition, liquid electrolyte content, and temperature on the ionic conductivity of hybrid electrolytes are investigated and discussed. DSC traces demonstrate the presence of two second-order transitions for all the samples and show a significant change in the thermal events with the amount of absorbed LiClO 4 /PC content. TGA results indicate these hybrid networks with excellent thermal stability. The EDS-0.5 sample with a 75 wt % liquid electrolyte exhibits the ionic conductivity of 5.3 × 10 -3 Scm -1 at 95°C and 1.4 × 10 -3 S cm -1 at 15°C, in which the film shows homogenous and good mechanical strength as well as good chemical stability. In the plot of ionic conductivity and composition for these hybrids containing 45 wt % liquid electrolyte, the conductivity shows a maximum value corresponding to the sample with the weight ratio of GPTMS/PEGDE of 0.1. These obtained results are correlated and used to interpret the ion conduction behavior within the hybrid networks.

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