The GOES R series lithium-ion battery life test results are presented for the next-generation GOES R series weather satellites. Lockheed Martin is under contract to NASA Goddard to build and deliver four GOES-R series satellites which are operated by NOAA. In addition, Lockheed Martin is required to build a GOES R series flight battery to flight drawings and processes and perform an accelerated geosynchronous earth-orbiting (GEO) life test consisting of 30 real-time eclipse seasons and 30 accelerated solstice seasons. The GOES R series batteries are designed and built by Saft America, Inc. Space and Defense Division in Cockeysville, MD with Saft VL48E cells. The GOES R series life test battery which has been built to flight drawings and processes has undergone 21 seasons of accelerated GEO testing (which is equivalent to over 10 years on-orbit). This presentation includes a description of the life test and latest test results through season 20. The life test battery capacity measurements prior to cycling and after seasons 4, 10, and 20 which have shown little or no change are summarized. In addition, the performance of the GOES R series workhorse batteries performance are presented. These GOES R series workhorse batteries are used during spacecraft testing and have shown no discernable capacity loss after 7 years of mostly ambient operation and cold storage since activation. An overview of the electrical power subsystem and battery charge is, also, addressed.


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    Titel :

    GOES-R Lithium-Ion Battery Life Test & Workhorse Battery Performance


    Beteiligte:
    Tucker, Jon (Autor:in) / Bauer, Robert (Autor:in) / Springer, Joseph (Autor:in) / Lee, Leonine (Autor:in) / Ma, Chengsong (Autor:in)

    Kongress:

    NASA Aerospace Battery Workshop ; 2018 ; Huntsville, AL, United States


    Erscheinungsdatum :

    2018-11-27


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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