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Content Provider | IEEE Xplore Digital Library |
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Author | Sharps, Paul R. Cornfeld, Art Stan, Mark Korostyshevsky, Aaron Ley, Vance Cho, Benjamin Varghese, Tansen Diaz, Jacqueline Aiken, Dan |
Copyright Year | 2008 |
Description | Author affiliation: Emcore Photovoltaics, 10420 Research Rd. SE, Albuquerque, NM 87123, USA (Sharps, Paul R.; Cornfeld, Art; Stan, Mark; Korostyshevsky, Aaron; Ley, Vance; Cho, Benjamin; Varghese, Tansen; Diaz, Jacqueline; Aiken, Dan) |
Abstract | Space power generation has involved the continual improvement of device designs to achieve higher efficiencies. The improvements have involved both evolutionary as well as revolutionary changes in device design. Currently, the lattice matched, GaInP/GaAs/Ge multi-junction solar cell is the device of choice for space power generation. The current design of this architecture has reached the 30% efficiency level, the expected maximum performance level for this architecture in a manufacturing environment. However, the band gaps for the GaInP/GaAs/Ge device are not the ideal set of three junctions for maximum power conversion. We present theoretical modeling for 3-, 4-, 5-, and 6-junction devices. Other criteria for space power generation, including reliability, weight, and cost are discussed. Different approaches to higher efficiencies are discussed and are evaluated not only in the light of power conversion efficiency, but also in light of the other criteria. |
Starting Page | 1 |
Ending Page | 6 |
File Size | 7946951 |
Page Count | 6 |
File Format | |
ISBN | 9781424416400 |
ISSN | 01608371 |
DOI | 10.1109/PVSC.2008.4922854 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2008-05-11 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Photovoltaic cells Costs Power system reliability Power conversion Solar power generation Gallium arsenide Satellites Thin film devices Paper technology Art |
Content Type | Text |
Resource Type | Article |
Subject | Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering |
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