Synthesis of organic/inorganic nanocomposites protonic conducting membrane through sol-gel processes

I. Honma, S. Hirakawa, K. Yamada, J. M. Bae

Research output: Contribution to journalArticlepeer-review

143 Citations (Scopus)

Abstract

High temperature protonic conducting polymer membranes provide new technological applications in the electrochemical devices including electrochromic displays, chemical sensors, fuel cells and others. Organic/inorganic nanocomposites membranes, consisting of SiO2/PEO (Polyethylene Oxides) hybrids, are a remarkable family of isotropic, amorphous polymer materials, which have been synthesized through sol-gel processes. The hybrid membrane doped with acidic surfactant molecules shows good protonic conductivities at high temperatures above 100°C. The membrane was found to be thermally stable at high temperatures because of the inorganic SiO2 framework in the composites matrix.

Original languageEnglish
Pages (from-to)29-36
Number of pages8
JournalSolid State Ionics
Volume118
Issue number1-2
DOIs
Publication statusPublished - 1999 Mar 1
Externally publishedYes

Keywords

  • Monododecylphosphate
  • Organic/inorganic composites
  • Protonic conducting membrane
  • Silica/PEO hybrid materials
  • Solid polymer electrolytes

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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