High-pressure metal hydride (MH) tank is a possible hydrogen storage system for fuel cell vehicles. The merit of the high-pressure MH tank system is improved by the use of a metal hydride with high dissociation pressure. In this study, TiCrV and TiCrVMo alloys with BCC structure has been developed for the high-pressure MH tank system. The developed TiCrVMo alloy shows 2.4 mass% of effective hydrogen capacity between 0.1 MPa and 33 MPa at 298 K, which has a dissociation pressure of 2.3 MPa at 298 K. By investigating the dissociation pressures of the synthesized metal hydrides, it is found that Mo has a special effect to increase dissociation pressure of the metal hydrides. This effect is probably attributed to the large bulk modulus of Mo compared to other elements.


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    Titel :

    TiCrVMo alloys with high dissociation pressure for high-pressure MH tank


    Weitere Titelangaben:

    TiCrVMo-Legierungen mit hohem Dissoziationsdruck für einen Hochdruck-Metallhydrid-Tank


    Beteiligte:
    Matsunaga, T. (Autor:in) / Kon, M. (Autor:in) / Washio, K. (Autor:in) / Shinozawa, T. (Autor:in) / Ishikiriyama, M. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2009


    Format / Umfang :

    5 Seiten, 9 Bilder, 2 Tabellen, 18 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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