There are currently 169 nickel hydrogen (NiH2) cells on test in low earth orbit (LEO) application at the Naval Surface Warfare Center, Crane Division IN. There are 10 cells in a special pulse test at Phillips Lab. These tests are designed to demonstrate cell performance in a LEO application and develop a comprehensive data base to support the performance. Along with these life cycle tests there are 10 cells in an extended storage test. The test matrix consists of 31 % and 26 % KOH cells. The 26 % KOH cells were put on test in 1993. A key goal with the current test matrix is to demonstrate whether the 26 % KOH cells have improved performance over the 31 % KOH cells. This paper describes the LEO life test results and presents current status of the cells on test. This paper will also present a preliminary evaluation of the general performance of the cells with 26 % KOH vs cells with 31 % KOH. Included will be comparisons of voltage profiles for the two cell types at identical cycle numbers. Comparisons of the cells in pulse application will be included in the paper.


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    Titel :

    Air force nickel hydrogen cell low earth orbit life test update


    Weitere Titelangaben:

    Aktualisierung der Lebensdauerprüfung von Nickel-Wasserstoffzellen der Luftwaffe in einer niedrigen Erdumlaufbahn


    Beteiligte:
    Smellie, D.S. (Autor:in) / Hill, C.A. (Autor:in)


    Erscheinungsdatum :

    1995


    Format / Umfang :

    6 Seiten, 6 Bilder, 2 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Air Force Nickel Hydrogen Cell Low Earth Orbit Life Test Update

    Smellie, D. / Hill, C. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 1994


    Air Force Nickel Hydrogen Cell Low Earth Orbit Life Test-Update

    Prater, Alonzo / Hill, Carole A. / Brown, Harry et al. | SAE Technical Papers | 1992


    Air Force nickel hydrogen low Earth orbit life test update

    Smellie, Douglas / Hill, Carole | AIAA | 1994


    Nickel hydrogen low Earth orbit test program update and status

    Badcock, C. C. / Donley, S. W. / Felts, A. B. et al. | NTRS | 1987


    Nickel Hydrogen Low Earth Orbit Test Program Update and Status

    C. C. Badcock / S. W. Donley / A. B. Felts et al. | NTIS | 1987