Life cycle test results are summarized from more than 300 spaceflight qualified nickel-hydrogen (NiH2) battery cells currently on life test. Cells ranging in size from 4 ampere-hours (Ah) to 120 Ah are being tested under a variety of conditions to support current NiH2 battery applications. Results to date include 55,600 accelerated LEO cycles at 30 % DOD; 102,840 accelerated LEO cycles at 15 % DOD; 44,900 cycles under a real-time LEO profile; 33,100 cycles in real-time LEO; 30 accelerated GEO eclipse seasons and 7 real-time GEO eclipse seasons, both at 75 % DOD maximum. Alternative separator materials have completed more than 40,00 charge/discharge cycles in accelerated LEO testing and advanced design electrocatalytic hydrogen electrodes have completed more than 16,000 cycles in real-time LEO testing. Common pressure vessel cell designs have completed 18,000 cycles in real-time LEO testing at 45 % DOD.


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    Titel :

    Life cycle evaluation of spaceflight qualified nickel-hydrogen batteries


    Weitere Titelangaben:

    Bewertung der Lebensdauer von raumflugtauglichen Nickel-Wasserstoffbatterien


    Beteiligte:
    Coates, D.K. (Autor:in) / Brill, J.N. (Autor:in)


    Erscheinungsdatum :

    1995


    Format / Umfang :

    6 Seiten, 12 Bilder, 1 Tabelle, 3 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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