Developing unmanned aerial vehicles (UAVs) with an electric propulsion system that combines photovoltaic modules with an energy storage system has been an ongoing goal of the aeronautics community. A closed-loop energy storage system using a fuel cell and electrolyzer will enable the UAV to operate at high altitudes (> 20 km) and for mission durations over a year. However, the specific energy of the energy storage system must be increased beyond present 150W-hr/kg levels. A high capacity fuel cell and electrolyzer unit under development at Physical Sciences Inc. (PSI) is aiming to improve the energy storage capability to values much greater than 500 W-hr/kg.


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    Titel :

    Micro-Fuel Cells and Electrolyzers for UAVs


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    Aerospace Power Systems Conference ; 1999



    Erscheinungsdatum :

    1999-04-06




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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