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Latest National Renewable Energy Laboratory Stories

Instrument Developed To Toss Out Unusable PV Wafers
2013-01-15 16:24:31

National Renewable Energy Laboratory (NREL) Silicon wafers destined to become photovoltaic (PV) cells can take a bruising through assembly lines, as they are oxidized, annealed, purified, diffused, etched, and layered to reach their destinies as efficient converters of the sun's rays into useful electricity. All those refinements are too much for 5% to 10% of the costly wafers. They have micro-cracks left over from incomplete wafer preparation, which causes them to break on the...

Photovoltaic Prices Falling Rapidly In U.S.
2012-11-28 15:47:12

According to the latest issue of Tracking the Sun, the installed price of solar photovoltaic (PV) power systems in the United States fell substantially in 2011 and through the first half of 2012.

2012-10-03 23:00:01

More than 50 UC Berkeley energy research projects on display Berkeley, Calif.


Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.