NASA missions such as DAWN and JUNO, as well as the planned Europa Clipper mission, rely on solar power despite their destination's extreme distance from the Sun and the high radiation environment typically encountered. This reliance on off-the-shelf state of the art solar cells has impacted mission design and ultimate performance, as solar cells designed for 1AU space applications suffer from low intensity, low temperature (LILT) performance effects and limited radiation tolerance has required additional shielding or overdesign in order to maintain EOL performance. While reasons for the performance degradation are reasonably well understood and solutions have been proposed, the lack of a continuous mission pull for improved performance has made a dedicated project to address these issues unpractical in the past. However, with NASA embarking on the Europa Clipper mission in the next decade and a recognition that improvements to radiation tolerance positively impact all space missions; NASA's Space Technology Mission Directorate has initiated a project to develop advanced solar cells that are more efficient under LILT conditions and solar array concepts, such as concentrator systems, that improve overall performance under both LILT and high radiation conditions.


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    Titel :

    Extreme Environments Solar Power Project Enabling Solar Array Power To The Outer Planets


    Beteiligte:

    Kongress:

    Space Photovoltaic Research and Technology (SPRAT) Conference ; 2018 ; Cleveland, OH, United States


    Erscheinungsdatum :

    2018-09-19


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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