Flexible polycrystalline thin-film photovoltaics for space applications

Details Flexible polycrystalline thin-film photovoltaics for space applications Flexible polycrystalline thin-film photovoltaics for space applications

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993sprt.nasa..118a&link_type=abstract

In NASA. Lewis Research Center, Proceedings of the 12th Space Photovoltaic Research and Technology Conference (SPRAT 12) p 118 (

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Applications

Cadmium Tellurides, Photovoltaic Cells, Photovoltaic Conversion, Polycrystals, Spacecraft Power Supplies, Thin Films, Electrodeposition, Magnetron Sputtering, Technology Utilization

Scientific paper

Polycrystalline thin-film photovoltaics (PV), such as CIS and CdTe, have received considerable attention recently with respect to space power applications. Their combination of stability, efficiency, and economy from large-scale monolithic-integration of modules can have significant impact on cost and weight of PV arrays for spacecraft and planetary experiments. An added advantage, due to their minimal thickness (approximately 6 microns sans substrate), is the ability to manufacture lightweight, flexible devices (approximately 2000 W/kg) using large-volume manufacturing techniques. The photovoltaic effort at Martin Marietta and ISET is discussed, including large-area, large-volume thin-film deposition techniques such as electrodeposition and rotating cylindrical magnetron sputtering. Progress in the development of flexible polycrystalline thin-film PV is presented, including evaluation of flexible CIS cells. In addition, progress on flexible CdTe cells is presented. Finally, examples of lightweight, flexible arrays and their potential cost and weight impact is discussed.

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