Scientists at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) have set a record efficiency for a dual-junction solar cell. The efficiency was certified at 32.6%, surpassing the previous mark by a full percentage.
Higher cell and module efficiencies translate directly into an increase in energy production while reducing the land capital expenditure and installation cost of a system, thus reducing the cost of solar energy.
The results of this work will be presented later this month at the IEEE Photovoltaic Specialists Conference in Washington, DC.
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