Multi-cylinder hydrogen-absorbing alloy tanks for fuel cell vehicles have 10 to 40 metallic cylinders that are bundled and filled with hydrogen-absorbing alloy. In this system, the cylinders themselves act as a heat exchanger and the working pressure is lowered to 10 to 20 MPa compared with high-pressure MH tanks. Moreover, both heat conduction and mass reduction can be achieved by reducing the wall thickness of the cylinders. A model verification experiment was conducted using a one-quarter-scale prototype of a full size tank, and a conduction simulation model verified in the experiment was used to predict the performance of the full size tank. Results showed that it is possible to fill the tank with hydrogen to 80% of its capacity in a five-minute filling time, although issues related to heat conductivity performance require improvement. Accordingly, it may be possible to adopt this tank as part of a system if the storage amount of the hydrogen-absorbing alloy can be increased.


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    Titel :

    High-pressure hydrogen-absorbing alloy tank for fuel cell vehicles


    Weitere Titelangaben:

    Hochdrucktank mit wasserstoff-absorbierender Legierung für Brennstoffzellenfahrzeuge


    Beteiligte:
    Kenji, Komiya (Autor:in) / Daigoro, Mori (Autor:in) / Shinpei, Mkura (Autor:in) / Norihiko, Haraikawa (Autor:in) / Kousei, Yoshida (Autor:in) / Watanabe, Shintaro (Autor:in) / Keiji, Toh (Autor:in) / Hidehito, Kubo (Autor:in) / Mituo, Miyahara (Autor:in) / Seiichiro, Mikuriya (Autor:in)


    Erscheinungsdatum :

    2010


    Format / Umfang :

    4 Seiten, 8 Bilder, 1 Tabelle, 7 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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