P₂O₅-SiO₂ガラスの広温度域での高プロトン伝導特性

• 大幸 裕介

  名古屋工業大学工学部材料工学科

• 赤井 智子

  産業技術総合研究所関西センター

• 春日 敏宏

  名古屋工業大学工学部材料工学科

• 野上 正行

  名古屋工業大学工学部材料工学科

書誌事項

タイトル別名

• Remarkable High Proton Conducting P2O5-SiO2 Glass as a Fuel Cell Electrolyte Working at Sub-Zero to 120.DEG.C..
• Remarkable High Proton Conducting P2O5-SiO2 Glass as a Fuel Cell Electrolyte Working at Sub-Zero to 120℃
• Remarkable High Proton Conducting P2O5 SiO2 Glass as a Fuel Cell Electrolyte Working at Sub Zero to 120ドC

抄録

Proton conductivity of the P₂O₅-SiO₂ glasses was investigated at sub-zero to 120°C. The glasses prepared by a sol-gel method are porous, pore diameters in which are smaller than 5nm with an average diameter of 2.5nm. The electrical conductivities, measured under 100%RH, follow the Arrhenius equation with the activation energy of 10kJ/mol in the temperature between 120 and -20°C. Below -20°C, the adsorbed-water molecules are frozen to increase the activation energy and decrease the proton conductivity. We could conclude that our P₂O₅-SiO₂ glasses, exhibiting high protonic conductivity of-30mS/cm at 120°C, have potential for the electrolyte of the fuel cell operating at sub-zero to 120°C.

収録刊行物

• Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌)

  Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌) 109 (1274), 815-817, 2001

  公益社団法人 日本セラミックス協会

キーワード

• Proton conduction
• P₂O₅-SiO₂
• Glass
• Sol-gel
• Fuel cell
• Porous

詳細情報

• CRID: 1390282680226398720
• NII論文ID: 110002288920
• NII書誌ID: AN10040326
• DOI: 10.2109/jcersj.109.1274_815
• ISSN: 18821022
• ISSN: 09145400
• NDL書誌ID: 5930123
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I5930123
• Web Site: http://www.jstage.jst.go.jp/article/jcersj1988/109/1274/109_1274_815/_pdf
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可