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Alloy design of cyclic hydro and dehydrogenation tolerant hydrogen storage materials

Research Project

Project/Area Number 11305048
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Structural/Functional materials
Research InstitutionTOHOKU UNIVERSITY

Principal Investigator

HANADA Shuji  Institute for Materials Research, Tohoku University, Professor, 金属材料研究所, 教授 (10005960)

Co-Investigator(Kenkyū-buntansha) YOSHIMI Kyosuke  Institute for Materials Research, Tohoku University, Assoc. Prof., 金属材料研究所, 助教授 (80230803)
MASAHASHI Naoya  Institute for Materials Research, Tohoku University, Assoc. Prof., 金属材料研究所, 助教授 (20312639)
細田 秀樹  東北大学, 金属材料研究所, 助手 (10251620)
Project Period (FY) 1999 – 2002
Project Status Completed (Fiscal Year 2002)
Budget Amount *help
¥41,570,000 (Direct Cost: ¥39,200,000、Indirect Cost: ¥2,370,000)
Fiscal Year 2002: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2001: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
Fiscal Year 2000: ¥9,800,000 (Direct Cost: ¥9,800,000)
Fiscal Year 1999: ¥21,500,000 (Direct Cost: ¥21,500,000)
KeywordsHydrogen storage material / Cyclic property / titanium manganese / Microstructure / Alloys design / HRTEM / X ray diffraction / XAFS / Titanium Manganese alloy / 水素 / 水素吸収特性 / 組織制御 / X ray diffraction / SEM-EDS / TiMn_2 / Laves相 / 繰り返しサイクル / 水素化物 / 格子像 / 繰返しサイクル
Research Abstract

The objective of this study is to understand the effect of metallurgical factors on hydrogen absorbing properties and to indicate the appropriate alloys design of hydrogen storage materials with advanced cyclic properties. The results obtained are summarized as follows
Effects of microstructure and composition on hydrogen absorbing properties in binary TiMn_2 based alloy: The hydrogen absorbing properties of binary TiMn_2 based alloys have been investigated as function of composition in the range between Ti-59.4 and -66.8 at.% Mn. The volume of fraction of TiMn_2 phase increases with increasing Mn content. The Mn content of TiMn_2 phase is almost constant atcompositions between Ti-56.4 and -59.4 at.% Mn, while is increases with increasing Mn content at compositions between Ti-59.4 nod -66.8 at.% Mn. Ti-59.4 at.% Mn containing TiMn_2 phase with 60 at.% Mn exhibits the superior hydrogen absorbing capacity and she least degradation of capacity during repeated hydrogen absorption and desorp … More tion. It is concluded that both hydrogen absorbing capacity and cyclic property in binary TiMn_2 based alloy are improved by increasing the volume fraction of TiMn_2 phase with keeping Mn content as low as possible.
TiMn_2 based alloys: Degradation of the hydrogen absorbing capacity in cyclically hydrogenated TiMn_2 (Ti-60 at.% Mn) with Laves structure was studied by measurement of pressure-composition-isotherm (PCT) curves, X-ray diffraction and microstructure observation. Characteristic changes with cyclic hydrogenation are observed as follows. The hydrogen absorbing capacity remarkably decreases, the lattice constant increases, the amount of hydrogen retained in TiMn_2 increases and it approaches almost zero by dehydrogenation as 673 K in vacuum. Nano-sized regions with Mere patterns are produced in TiMn_2 with hydrogenation and Debye rings corresponding to titanium hydride δ-TiH appear in the diffraction pattern. Based on these observations it is concluded that the degradation of hydrogen absorbing capacity after cyclic hydrogenation is attributable to the introduction of retained hydrogen, heterogeneous strain and/or nano-regions. Less

Report

(5 results)
  • 2002 Annual Research Report   Final Research Report Summary
  • 2001 Annual Research Report
  • 2000 Annual Research Report
  • 1999 Annual Research Report
  • Research Products

    (26 results)

All Other

All Publications (26 results)

  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Degradation of Hydrogen absorbing capacity in cyclically hydrogenated TiMn_2"Acta Materialia. 19. 927-935 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Hydrogen Pulverization in Intermetallics-based alloys"MRS Symp. Proc., Ed. by Schneibel et al., USA. 646. 5161-5166 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Macro-and Microstructural Changes by Hydrogenation of Tantalum"PRICM4, Ed. by S. Hanada et al., Japan. 2283-2286 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Macro-and Microstructure changes in hydrogenated TiMn_2 and Ta"Trans. Nonferrous Met. Soc. China. 12. 695-701 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Hydrogen Pulverization of Refractory Metals, Alloys and Intermetallics"Metals and Mater. International. (in press).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Effect of composition on hydrogen absorbing properties in binary TiMn_2 based alloys"Journal of Alloy and Compounds. 352. 210-217 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Multiple Cracking of Tantalum by Hydrogenation"Metallurgical and Materials Transactions A. 34A. 685-690 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Hydrogenation-induced fragmentation in Ta-Ni alloy"Journal of Alloy and Compounds. (in press).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S. Semboshi, N. Masahashi, S.Hanada: "Degradation of Hydrogen absorbing capacity in cyclically hydrogenated TiMe_2."Acta Materialia. Vol.19. 927-935 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S. Semboshi, N. Masahashi, S.Hanada: "Hydrogen Pulverization in Intermetallics-based alloys"MRS Symp. Proc., Ed. By Schneibel et al, USA. Vol.646. p.N5.16.1-6 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S. Semboshi, N. Masahashi, S.Hanada: "Macro- and Microstructural Changes by Hydrogenation of Tantalum"The Fourth Pacific Rim international Conference on Advanced Materials and Processing (PRICM4), Ed. by S.Hanada et at., The Japan Institute of Metals, Japan. 2283-2286 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S. Semboshi, N. Masahashi, S.Hanada: "Macro- and Microstructure changes in hydrogenation TiMn_2 and Ta"Trans. Nonferrous Met. Soc. China. Vol.12. 695-701 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S. Semboshi, N. Masahashi, S.Hanada: "Hydrogen Pulverization of Refractory Metals, Alloys and Intermetallics"Metals and Mater. International, in press.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S. Semboshi, N. Masahashi, S.Hanada: "Effect of composition on hydrogen absorbing properties in binary TiMn_2 based alloys"Journal of Alloy and Compounds. Vol.352. 210-217 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S. Semboshi, N. Masahashi, S.Hanada: "Multiple Cracking of Tantalum by Hydrogenation"Metallurgical and Materials Transactions A. Vol.34A. 685-690 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S. Semboshi, N. Masahashi, S.Hanada: "Hydrogenation induced fragmentation in Ta-Ni alloy"Journal of Alloy and compounds, in press.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Hydrogenation-induced fragmentation in Ta-Ni alloy"Journal of Alloy and Compounds. (in press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Multiple Cracking of Tantalum by Hydrogenation"Metallurgical and Materials Transactions A. 34A. 685-692 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Effect of composition on hydrogen absorbing properties in binary TiMn_2 based alloys"Journal of Alloy and Compounds. (in press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Hydrogen Pulverization of Refractory Metals, Alloys and Intermetallics"Metals and Mater. International. (in press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Macro-and Microstructure changes in hydrogenated TiMn_2 and Ta"Trans. Nonferrous Met. Soc. China. 12. 695-701 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "DEGRADATION OF HYDROGEN ABSORBING CAPACITY IN CYCLICALLY HYDROGENATED TiMn_2"Acta Materialia. 49/5. 927-935 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "HYDROGEN PULVERIZATION IN INTERMETALLICS-BASED ALLOYS"MRS Symp. Proc., 2001, vol.646, p. N5.16.1. 646. N5.16.1 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] S.Semboshi, N.Masahashi, S.Hanada: "Macro-and Microstructure changes in hydrogenated TiMn_2 and Ta"The 4^<th> International Workshop on Ordered Intermetallic Compounds and Advanced materials, P.R. China. (in press). (2002)

    • Related Report
      2001 Annual Research Report
  • [Publications] 杉山岳文,細田秀樹,花田修治: "Nb-Cr-Ti金属間化合物基合金の水素による粉末化に及ぼす構成相の体積率、格子ひずみおよび機械的性質の影響"日本金属学会誌. 63. 1535-1544 (1999)

    • Related Report
      2000 Annual Research Report
  • [Publications] S.Semboshi,N.Masahashi and S.Hanada: "Degradation of hydrogen absorbing capacity in cyclically hydrogenated TiMn_2"Acta Materilia. (In press).

    • Related Report
      2000 Annual Research Report

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Published: 1999-04-01   Modified: 2016-04-21  

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