The paper presents current status in development of automotive fuel cell stacks at Energy Partners. The design and operational characteristics of a 20 kW hydrogen / air fuel cell stack are discussed in deeper detail. The stack was tested on a laboratory test stand to obtain polarisation curves, cell to cell consistency, and modified Federal Highway Cycle performance was simulated. The stack was then installed in Virginia Tech's hybrid electric vehicle. Data was collected with the stack inside the vehicle and compared to the laboratory results. System considerations, such as temperature, water management, humidification, reactant stoichiometry, and monitoring and control strategy necessary for proper fuel cell operation are reviewed. Another, reformate tolerant, automotive fuel cell stack was designed to generate 60-65 kW and has been developed as part of the gasoline powered integrated reformer / fuel cell system. The design and operational characteristics of the proof-of-concept prototype is presented. System issues, such as efficiency, size and weight, neutral water balance, and capability to operate at extreme ambient temperatures have been addressed.


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    Title :

    Design and operational characteristics of automotive PEM fuel cell stacks


    Additional title:

    Entwurfs- und Betriebscharakteristik von PEM-Brennstoffzellensystemen für KFZ


    Contributors:
    Barbir, F. (author) / Fuchs, M. (author) / Husar, A. (author) / Neutzler, J. (author)


    Publication date :

    2000


    Size :

    7 Seiten, 12 Bilder, 2 Tabellen, 8 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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