The Navy is currently investigating solid oxide fuel cells (SOFCs) for the propulsion of unmanned undersea vehicles (UUVs). SOFCs are being targeted because of their potential to carry out extended missions, which are not possible using current battery technology. In addition, they offer the advantages of being able to utilize energy-dense hydrocarbon fuels and are self-sustaining while supplying heat to reforming processes. The SOFC system evaluated in this study consisted of a Ni-YSZ-based, 6-cell stack with anode supported cells close-coupled with a micro-channel steam reformer. Various reformate gas compositions, steam to carbon ratios and flow rates were tested to gather a range of data under the expected operating conditions of UUVs. The system was operated for more than 70 hours consuming approximately 0.5 to 0.7 ml/min of fuel and producing about 100 to 230 watts of power. The integrated stack and reformer displayed stable performance with a fuel utilization of 80% and an efficiency of 50% at maximum power output.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Solid oxide fuel cells in unmanned undersea vehicle applications


    Beteiligte:


    Erscheinungsdatum :

    2006


    Format / Umfang :

    7 Seiten, 5 Bilder, 1 Tabelle, 5 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Hydrogen Fuel Cells for Unmanned Undersea Vehicle Propulsion

    Swider-Lyons, K. / Deitz, D. | British Library Conference Proceedings | 2016


    The Naval Undersea Warfare Center's Unmanned Undersea Vehicle Initiative

    Lisiewicz, J. S. / French, D. W. / Autonomous Undersea Systems Institute | British Library Conference Proceedings | 1999




    Unmanned undersea vehicle with modular battery system

    MARTZ JENNIFER / LUDLAM KEVIN W / AIELLO JASON D et al. | Europäisches Patentamt | 2023

    Freier Zugriff