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The environmental performance at low intensity, low temperature (lilt) of high efficiency triple junction

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dc.contributor.author Stella, Paul M.
dc.contributor.author Mueller, Robert
dc.contributor.author Davis, Gregory
dc.contributor.author Distefano, Salvador
dc.date.accessioned 2006-11-28T19:12:56Z
dc.date.available 2006-11-28T19:12:56Z
dc.date.issued 2004-08-16
dc.identifier.citation 2nd Annual International Energy Conversion Engineering Conference (IECEC), Providence, Rhode Island, August 16-19, 2004. en
dc.identifier.clearanceno 04-2332
dc.identifier.uri http://hdl.handle.net/2014/39965
dc.description.abstract A number of JPL missions, either active or in the p l d g stages, require the accurate LILT flew intensity - low temperate) climate of triple-junction solar, Although triple ignition LILT performance was reported as recently as 2002, there has been an evolutionary advance in cell technology by both U.S. space cell manufacturers that, for mission design purposes, effectively obsoletes the earlier data As a result, JPL initiated a program to develop a database for the LILT performance of the new high performance triple junction solar cells. JPL obtained Emcore Advanced triple Juntion CIC assemblies and Spectrolab Ultra Triple Junction CIC assemblies These cells were tested at temperature-intensity ranges designed to cover applications between 1 and 5.18 AU solar distances. 1 MeV electron irradiation from 25 E14 to 1 El5 w were performed on the cells to evaluate the combined effect of particulate radiation and LILT conditions, The effect of LILT conditions was observed to incur an increase in the variation of cell performances such that at simulted 5.18 AU conditions the average performance was approximately 30% with the best cells measuring between 32 and 34% efficiency. The 30% average efficiency compares with approximately 25% average efficiency measured on earlier technology triple junction solar cells. en
dc.description.sponsorship NASA/JPL en
dc.format.extent 2248316 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004. en
dc.subject low intesity low light temperature (LILT) en
dc.subject triple junction en
dc.subject solar cells en
dc.subject photovoltage en
dc.subject space power en
dc.title The environmental performance at low intensity, low temperature (lilt) of high efficiency triple junction en
dc.type Preprint en


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