Advanced designs for individual pressure vessel nickel-hydrogen cells have been conceived which should improve the cycle life at deep depths-of-discharge and improve thermal management. Features of the designs which are new and not incorporated in either of the contemporary cells (Air Force/Hughes, Comsat) are: (1) use of alternate methods of oxygen recombination, (2) use of serrated edge separators to facilitate movement of gas within the cell while still maintaining required physical contact with the wall wick, and (3) use of an expandable stack to accommodate some of the nickel electrode expansion. The designs also consider electrolyte volume requirements over the life of the cells, and are fully compatible with the Air Force/Hughes design. Boiler plate cells based on each of the designs have been fabricated. They are in the process of being evaluated in a continuing cycle life test. Initial test results (LEO, 80 percent DOD) demonstrate the feasibility of the designs.


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    Title :

    Initial performance of advanced designs for IPV nickel-hydrogen cells


    Additional title:

    Ausgangsbetriebsverhalten von gekapselten Nickel-Wasserstoff-Zellen fortschrittlicher Auslegung


    Contributors:


    Publication date :

    1985


    Size :

    7 Seiten, 6 Bilder, 10 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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