LONDON — Scientists at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) have claimed a world record in solar cell efficiency with a photovoltaic device that converts 40.8 percent of the light that hits it into electricity. This is the highest efficiency of any photovoltaic device to date, NREL said in a statement.
August 18, 2008...5:36 pm
U.S. lab claims solar conversion efficiency record
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