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Development of novel ammonia synthesis by chemical potential control using ionic conductors

Research Project

Project/Area Number 15K13764
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Energy-related chemistry
Research InstitutionKyushu University

Principal Investigator

Sakai Takaaki  九州大学, 工学研究院, 助教 (20545131)

Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywordsアンモニア合成 / 電気化学合成 / 化学ポテンシャル制御 / 固体イオニクス
Outline of Final Research Achievements

The fabrication of ammonia synthesis cell was achieved by using Si3N4 pellet as nitride ionic conductor and Mg doped Al2O3 plate as protonic conductor. In this case, these pellet and plate were assembled by using palladium paste. In addition, the blocking electrode type ammonia synthesis cell was also fabricated by using Sr0.5Ce0.4Y0.1O3-d series oxide. The ammonia synthesis tests were performed by using these cells. However the obvious data, which suggest the possibility of ammonia synthesis, were not obtained. This result suggested the additional necessity of the optimization of electrode material, ionic conductor and the shape control of these materials.

Report

(3 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • Research Products

    (2 results)

All 2016

All Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] Oxide Ion Conductivity of LaYbO3 type Proton Conducting Oxide Evaluated by Oxygen Isotope Exchange Method2016

    • Author(s)
      Takaaki Sakai, Junji Hyodo, Shitaro Ida, Tatsumi Ishihara, Yuji Okuyama
    • Organizer
      18th International Conference on Solid State Proton Conductors
    • Place of Presentation
      Oslo, Norway
    • Year and Date
      2016-09-18
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] LaYbO3系プロトン伝導性酸化物の酸素イオン伝導度の評価2016

    • Author(s)
      酒井孝明,兵頭潤次,石原達己, 奥山勇治
    • Organizer
      電気化学会第83回大会
    • Place of Presentation
      大阪大学
    • Year and Date
      2016-03-29
    • Related Report
      2015 Research-status Report

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Published: 2015-04-16   Modified: 2018-03-22  

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