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Preparation and electrochemical properties of polymeric composite electrolytes containing organic clay materials

  • Seok Kim
  • , Eun Ju Hwang
  • , Jea Rock Lee
  • , Hyung Il Kim
  • , Soo Jin Park
  • Advanced Materials Division
  • Center for Convergent Research of Emerging Virus Infection
  • Department of Industrial Chemistry
  • Chungnam National University
  • Inha University

Research output: Contribution to journal › Article › peer-review

Abstract

In this work, polymer/(layered silicate) nanocomposites (PLSN) based on poly (ethylene oxide) (PEO), ethylene carbonate (EC) as a plasticizer, lithium salt (LiC1O4), and sodium montmorillonite (Na+-MMT) or organic montmorillonite (organic MMT) clay were fabricated. And the effects of organic MMT on the polymer matrix were investigated as a function of ionic conductivity. For the application to electrolytes an Li batteries, polymer electrolytes containing the organic nanoclays were used in this work. As a result, the spacing between layers and hydrophobicity of the organic nanoclays were increased, affecting on the exfoliation behaviors of the MMT layers in clay/PEO nanocomposites. From ion-conductivity results, the organic-MMT showed higher values than those of Na+-MMT, and the MMT-20A sample that was treated by methyl dihydrogenated tallow ammonium, showed the highest conductivity in this system.

Original languageEnglish
Pages (from-to)297-301
Number of pages5
JournalPolymer (Korea)
Volume31
Issue number4
Publication statusPublished - 1 Jul 2007
Externally publishedYes

Keywords

  • Ionic conductivity
  • Organic montmorillonite
  • Poly (ethylene oxide)
  • Polymer/(layered silicate) nanocomposites

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