Heteropolyacid-encapsulated self-assembled materials for anhydrous proton-conducting electrolytes

Masanori Yamada, Itaru Homma

研究成果: Article査読

70 被引用数 (Scopus)

抄録

The composite material of heteropolyacid (12-phosphotungstic acid; PWA) and polystyrene sulfonic acid (PSS) construct the PWA-encapsulated material by the self-assembly of -SO 3 H onto the PWA surface; as a result, the fast proton transfer occurred at the interface between the PWA and -SO 3 H, and the encapsulated material indicated the high anhydrous proton conductivity of 1 × 10 -2 S cm -1 at 180°C. These anhydrous proton-conducting materials without the existence of water molecules are quite different from customary ion-exchange membrane, such as Nafion, and may have advantages as an electrolyte membrane for polymer electrolyte membrane fuel cells operating at intermediate temperatures under anhydrous conditions but also for electrochemical devices including electrochromic displays, chemical sensors, and others.

本文言語English
ページ(範囲)20486-20490
ページ数5
ジャーナルJournal of Physical Chemistry B
110
41
DOI
出版ステータスPublished - 2006 10 19
外部発表はい

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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