• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Development of novel mixed proton-electron conductors by

Research Project

Project/Area Number 20900109
Allocation TypeSingle-year Grants
Research InstitutionTohoku University

Principal Investigator

AMEZAWA Koji  東北大学, 大学院環境科学研究科, 准教授 (90263136)

Project Period (FY) 2008
Project Status Completed (Fiscal Year 2008)
Keywords固体プロトン伝導体 / 混合伝導体 / 希土類イオン / オキソ酸塩 / 水素透過膜 / 希土類オキソ酸塩
Outline of Final Research Achievements

価数変化を伴う希土類のオキソ酸塩を母体とし, プロトン-電子混合伝導体の開発を行った。その結果, CePO_4, CeBO_3が水素還元性雰囲気においてプロトン-電子混合伝導体となることを見出した。さらに, Ceの一部を価数安定な希土類イオン(La等)で置換することにより, プロトン, 電子導電性の寄与を制御できることが分かった。以上は, 水素分離膜など用途に応じた特性のプロトン-電子混合伝導体を創製するための新たな材料設計指針である。

Report

(2 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • Research Products

    (6 results)

All 2009 2008 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (3 results) Remarks (1 results)

  • [Journal Article] Hydrogen Permeation Properties in (Ce, Sr)PO_42009

    • Author(s)
      A. Unemoto, N. Kitamura, K. Amezawa, T. Kawada
    • Journal Title

      Electrochemistry and Solid-State Letters 12

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Proton-Electron Mixed Conduction Properties ,in (Ce, Sr)PO_42008

    • Author(s)
      A. Unemoto, N. Kitamura, K. Amezawa, T. Kawada
    • Journal Title

      Electrochemical Society Transactions 13

      Pages: 337-345

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Control of Mixed Proton and Electron Hole Conductivity by Mixing Rare-Earth Ortho-Borates2009

    • Author(s)
      H. Takahashi, A. Unemoto, K. Amezawa, T. Kawada
    • Organizer
      The 17th International Conference on Solid State Ionics
    • Place of Presentation
      Toronto, Canada
    • Year and Date
      2009-06-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] Proton and Mixed Proton-Electronic Conduction in Acceptor-Doped Oxoacid Salts2008

    • Author(s)
      K. Amezawa, N. Kitamura, A. Unemoto. T. Kawada
    • Organizer
      The 14th International Conference on Solid State Protonic Conductors (SSPC14)
    • Place of Presentation
      Kyoto, Japan(招待講演)
    • Year and Date
      2008-09-09
    • Related Report
      2008 Annual Research Report
  • [Presentation] Proton-Electron Mixed Conduction Properties in (Ce, Sr)PO_42008

    • Author(s)
      A. Unemoto, N. Kitamura, K. Amezawa. T. Kawada
    • Organizer
      213th Electrochemical Society Meeting
    • Place of Presentation
      Phoenix, Arizona, USA
    • Year and Date
      2008-05-19
    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.mech.tohoku.ac.jp/mech-labs/kawada/Index_jpn.html

    • Related Report
      2008 Annual Research Report

URL: 

Published: 2010-06-11   Modified: 2016-11-18  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi