August 14, 2008
NREL posts solar cell efficiency
The National Renewable Energy Laboratory
that they have set a record for solar cell efficiency with a mark
of 40.8 percent, a tenth of a percent better than the previous recordholder.
The device in question is an inverted metamorphic triple-junction
solar cell -- not something you're likely to put on your roof anytime
soon, but related technology could find its way into utility-scale
concentrated solar power plants.
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August 25/September 1, 2008
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