The low Earth orbit (LEO) operations of the RADARSAT spacecraft require high performance batteries to provide energy to the payload and platform during eclipse periods. Nickel-hydrogen cells are currently competing with the more traditional nickel-cadmium cells for high performance spacecraft applications at GEO (geostationary Earth orbit) and LEO. Nickel-hydrogen cells appear better suited for high power applications where high currents and high depths of discharge (DOD) are required. Although a number of GEO missions have flown with nickel-hydrogen batteries it is not readily apparent that the LEO version of the nickel-hydrogen cell is able to withstand the extended cycle lifetime (5 years) of the RADARSAT mission. The problems associated with nickel-hydrogen cells are discussed in the context of the RADARSAT mission and a test program designed to characterize cell performance is presented.


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    Titel :

    Investigation of nickel-hydrogen battery technology for the RADARSAT spacecraft


    Weitere Titelangaben:

    Untersuchung von Nickel-Wasserstoff-Batterien fuer den geostationaeren Satelliten RADARSAT


    Beteiligte:
    Lackner, J.L. (Autor:in) / McCoy, D.A. (Autor:in)

    Erschienen in:

    Journal of Power Sources ; 18 , 2-3 ; 259-264


    Erscheinungsdatum :

    1986


    Format / Umfang :

    6 Seiten



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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