Friday, September 25, 2009

New World PV Efficiency Record


Making solar cells and modules as efficient at converting light to electricity as possible has been a long-standing goal in the solar photovoltaic space. Much progress has been made in the past few years, but this week world-record breaking efficiencies were reached...
Suntech Power Holdings Co. Ltd. announced that it has beaten all previous records, including its own, for multi-crystalline silicon module conversion efficiency. The new world-record conversion efficiency (aperture area only) was measured at 16.53% by the Fraunhofer Institute for Solar Energy Systems.

Suntech's world-record breaking multi-crystalline silicon module is powered by Pluto PV cells utilizing solar grade silicon with each PV cell having a conversion efficiency well over 17%.
...
Sunovia Energy Technologies Inc and EPIR Technologies, said that they have fabricated single-junction and two-junction cadmium telluride (CdTe) based solar cells that have far surpassed the long-standing world record open circuit voltage (Voc) for thin-film CdTe solar cells.

The companies' single-junction and two-junction devices exceeded the highest Voc values ever reported publicly by research institutions on thin film CdTe solar cells, including the National Renewable Energy Laboratory (NREL) and others, by over 45%.

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