Fast proton conductor under anhydrous condition synthesized from 12-phosphotungstic acid and ionic liquid

Je Deok Kim, Shigenobu Hayashi, Toshiyuki Mori, Itaru Honma

研究成果: Article査読

36 被引用数 (Scopus)

抄録

In this study, we synthesized a molecular hybrid conductor electrolyte using PWA ([H3PW12O40·nH2O]) and [1-butyl-3-methylimidazole][bis-(fluoromethanesulfonyl) amide] ([BMIM][TFSI]) ionic liquid. The [BMIM][TFSI] ionic liquid can interact with the strongly acidic PWA. The hybrids were hydrophilic, and included some water molecules in the structure of the hybrids. The water molecules remained up to 80 °C, contributing to improve conductivity under an anhydrous N2 atmosphere. The conductivity of PWA-[BMIM][TFSI] hybrid under anhydrous conditions increased from 10-4 S/cm to 0.04 S/cm at 60 °C. The conductivity of the hybrids at each temperature was higher than that of pure PWA and [BMIM][TFSI] under anhydrous condition. It can be due to the protonic carriers.

本文言語English
ページ(範囲)963-967
ページ数5
ジャーナルElectrochimica Acta
53
2
DOI
出版ステータスPublished - 2007 12 1
外部発表はい

ASJC Scopus subject areas

  • 化学工学(全般)
  • 電気化学

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