NREL Announces 31.1% Solar Cell Efficiency With New Materials
The Department of Energyâ€™s National Renewable Energy Laboratory announced a new highÂ of 31.1 percent conversion efficiency for a two-junction solar cell under one sun of illumination, which beats the previous record of 30.8 percent efficiency from Alta Devices, and is part of a program focused on lowering the cost of solar power.
NREL made the announcement last week at theÂ Â 39th IEEE Photovoltaic Specialists Conference in Tampa, Fla.Â The work was done at NREL as part of the DOEâ€™s Foundation Program to Advance Cell Efficiency (F-PACE), a project that aims to lower the cost of solar energy to a point at which it is competitive with other sources including fossil fuels.
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