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Technology Stocks : Energy Conversion Devices

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To: Futurist who wrote (2942)1/11/1999 8:57:00 AM
From: Futurist  Read Replies (2) of 8393
 
Just in case anybody thought we didn't have enough competitors:

Discussion of Solar-Cell System with High Conversion Efficiency in Jan/99 edition of NASA Tech Briefs. Involves (1) concentration
and spectral dispersion of sunlight and (2) use of several types of solar photovoltaic cells, each placed at its optimum location
in the spectrum....Preliminary experiments to demonstrate the feasibility of this concept were performed on several types of cellls...An optimized system of this type could perform with an energy-conversion efficiency approaching 50%. In contrast, the more-expensive
multijunction solar cells yield efficiencies between 20 and 30%.
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