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Development of Organic-Inorganic Conversion Technic using Nonequilibrium Process induced by Radiation Irradiation

Research Project

Project/Area Number 17K05135
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Quantum beam science
Research InstitutionNational Institutes for Quantum and Radiological Science and Technology

Principal Investigator

Sugimoto Masaki  国立研究開発法人量子科学技術研究開発機構, 高崎量子応用研究所 先端機能材料研究部, 上席研究員(定常) (90354943)

Co-Investigator(Kenkyū-buntansha) 山本 春也  国立研究開発法人量子科学技術研究開発機構, 高崎量子応用研究所 先端機能材料研究部, 上席研究員(定常) (70354941)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords非平衡反応 / 炭素触媒 / 水素還元触媒 / 燃料電池 / 有機無機転換 / 電子線照射 / 白金代替触媒 / 構造・機能材料 / 触媒・化学プロセス / 水素 / 放射線
Outline of Final Research Achievements

A novel process for fabricating a nitrogen-doped carbon catalyst from a precursor polymer utilizing the high-energy electron beam (EB) irradiation technique was examined with the aim of simultaneously forming a graphitic nanostructure and nitrogen doping in thermally non-equilibrium conditions. A blend of phenolic resin and cobalt chloride was irradiated by a 2 MeV EB under flowing ammonia gas and heated up to 800 °C. It was found that the EB irradiation produces carbon material with a high content of the graphite phase and enhances the amount of N-doping, especially pyridinic-N, compared with the common heat treatment in an electric furnace. The obtained carbon material exhibited catalytic activity for oxygen reduction reaction (ORR) with an ORR potential of 0.7 V versus RHE and an electron transfer number of 3 in 0.5 M H2SO4.

Academic Significance and Societal Importance of the Research Achievements

化学プラントや自動車の排ガス浄化、燃料電池等の発電デバイスには白金触媒が必要不可欠であるが、現在確認されている埋蔵量では将来の需要を満たせないため、同等の触媒性を有する非半金で安価な触媒材料が不可欠である。この材料は、高分子材料を、高温で炭素化し作製するもので、同等の触媒性能が発現すれば、自動車やガス給湯と組み合わせた家庭用発電装置などとして、生活の身近な部分にも幅広く活用が期待できるものである。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (3 results)

All 2019 2018

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Fabrication of a nitrogen-doped carbon catalyst from a precursor polymer using the electron beam irradiation technique2019

    • Author(s)
      A. Idesaki, Y. Kanuma, S. Yamamoto, M. Sugimoto, Y. Maekawa, T. Yamaki
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 58 Issue: SD Pages: SDDF03-SDDF03

    • DOI

      10.7567/1347-4065/ab049e

    • NAID

      210000155916

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Fabrication of graphitic nanostructure with catalytic activity from precursor polymer utilizing high temperature-electron beam irradiation2018

    • Author(s)
      出崎亮, 鹿沼裕貴, 山本春也, 杉本雅樹, 八巻徹也
    • Organizer
      2018 International Microprocesses and Nanotechnology Conference (MNC 2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 高温電子線照射による窒素添加炭素系触媒の作製:照射温度の影響2018

    • Author(s)
      鹿沼裕貴、杉本雅樹、出崎亮、山本春也、越川博、八巻徹也
    • Organizer
      日本化学会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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