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Vapor phase electrolytic conversion of organic compounds by solid electrolyte

Research Project

Project/Area Number 12309006
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field 広領域
Research InstitutionHiroshima University

Principal Investigator

TAKIHIRA Katsuomi  Hiroshima University, Graduate School of Engineering, Professor, 大学院・工学研究科, 教授 (70294535)

Co-Investigator(Kenkyū-buntansha) HAMAKAWA Satoshi  National Institute of Advanced Industrial Science and Technology, Senior Researcher, 物質プロセス研究部門, 主任研究官 (70357797)
HAYAKAWA Takashi  National Institute of Advanced Industrial Science and Technology, Senior Researcher, 物質プロセス研究部門, 主任研究官 (50357802)
SHISHIDO Tetsuya  Hiroshima University, Graduate School of Engineering, Research Associate, 大学院・工学研究科, 助手 (80294536)
KAJIOKA Hideshi  Western Hiroshima Prefecture Industrial Research Institute, Senior Researcher, 材料技術部, 部長(研究職)
王 野  広島大学, 工学部, 助手 (40292304)
Project Period (FY) 2000 – 2002
Project Status Completed (Fiscal Year 2002)
Budget Amount *help
¥39,860,000 (Direct Cost: ¥33,800,000、Indirect Cost: ¥6,060,000)
Fiscal Year 2002: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
Fiscal Year 2001: ¥16,770,000 (Direct Cost: ¥12,900,000、Indirect Cost: ¥3,870,000)
Fiscal Year 2000: ¥13,600,000 (Direct Cost: ¥13,600,000)
KeywordsSolid electrolyte / Lattice defect / Membrane Reactor / Lattice oxygen / Partial oxidation of hydrocarbon / Reactive sputtering / 炭化水素部分参加
Research Abstract

Over the Au anode under oxygen pumping, MoO_3 catalyzes the selective oxidation of alkenes to the oxygenated compounds, while V_2O_5 oxidatively dehydrogenates alkanes to alkenes. When the electro-chemical reactor was applied for the oxidation of lower alkanes over Mo-V-O catalyst films, the rates of the oxidatiye dehydrogenation of light alkanes drastically increased. The electrochemical reactor was constructed from an 8 mol% YSZ disk, 32mm in diameter and 1 mm in thickness. Au (〜1μm) and Ag (〜3μm) were deposited as the anode and the cathode, respectively, on both surfaces of the YSZ disk. Mo-V-O mixed oxides (〜4μm) was deposited on the Au anode by reactive sputtering of each metal target (99.95 and 99.9 % respectively) under 5.0×10^<-3> Torr of O_2/Ar(1/1) atmosphere at 300℃. All the samples were annealed in air for 1 h and used for the hydrocarbon oxidation. Over Mo-V-O oxides under oxygen pumping, propane and ethane were dehydrogenated to propene and ethene, respectively. The line intensities of (110) of MoV_2O_8 in the XRD correlated well with the rate of ethene formation, while those of (001) correlated with the rate of propene formation. Furthermore, when MoO_3 was deposited on the Mo-V-O oxides, propane and ethane were oxidize to the corresponding unsaturated aldehydes. These results strongly suggest that alkanes were dehydrogenated over the Mo-V-O mixed oxides film, followed by the partial oxidation to the corresponding aldehydes over the MoO_3 film.

Report

(4 results)
  • 2002 Annual Research Report   Final Research Report Summary
  • 2001 Annual Research Report
  • 2000 Annual Research Report
  • Research Products

    (7 results)

All Other

All Publications (7 results)

  • [Publications] K.Takehira, 他5名: "YSZ aided oxidation of C_2-C_4 hydrocarbons into oxygenates over MoO_3 or V_2O_5"Desalination. 144. 425-426 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K. Takehira: "YSZ aided oxidalion of C_2-C_4 hydrocarbons into oxygenates over MoO_3 or V_2O_5"Desalination. 144. 425-426 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] K.Takehira, 他5名: "Ysz aided oxidation of C_2-C_4 hydrocarbons into oxygenates over MoO_3 or V_2O_5"Desalination. 144. 425-426 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] 竹平勝臣: "YSZ aided oxidation of C_2-C_4 hydrocarbons into oxygenates over MoO_3 or V_2O_5"Solid State Ionics. (in press).

    • Related Report
      2001 Annual Research Report
  • [Publications] 竹平勝臣: "YSZを利用する低級炭化水素の触媒酸化反応"第33回化学工学会講演予稿集. (2000)

    • Related Report
      2001 Annual Research Report
  • [Publications] 竹平勝臣 ら: "YSZを利用する低級炭化水素の触媒酸化反応"第33回化学工学会講演予稿集. (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] 竹平勝臣: "YSZ aided oxidation of C_2-C_4 hydrocarbons into oxygenates over MoO_3 or V_2O_5"Solid State Ionics. (2001)

    • Related Report
      2000 Annual Research Report

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Published: 2000-04-01   Modified: 2016-04-21  

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