Wednesday, March 28, 2012

ZEBRA solar cell reaches 21 percent energy conversion efficiency

GERMANY: Researchers at ISC Konstanz and the photovoltaics producer Silfab SpA (Padua, Italy) have set a new record for the energy conversion efficiency of solar cells:

The "ZEBRA" cell technology, based on large area (156 mm x 156 mm) monocrystalline silicon wafers, allows an efficiency of 21 percent.

Whereas current monocrystalline solar cells only reach a maximum of 19-20 percent, this back-contact cell's energy conversion efficiency may even be increased to up to 24 percent. This represents an even more noteworthy achievement given the fact that cells based on "ZEBRA" technology can be produced at reduced cost.

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