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Q-Cells mass produced solar cell achieves new record of 13.4% efficiency

The firm’s CIGS unframed solar module was verified by Fraunhofer ISE and exhibits efficient self-cleaning, making these modules perfect for flat roofs and façade solutions.

Q-Cells SE, a leading photovoltaics company, says it has achieved a world efficiency record for mass-produced CIGS thin-film solar modules manufactured via monolithic integration.

The Fraunhofer Institute for Solar Energy Systems (ISE) has confirmed an efficiency of 14.7 % (aperture area) for a Q-Cells Q.SMART UF solar module manufactured by Q-Cells’ 100 % subsidiary Solibro GmbH.



The record efficiency, measured in February 2011 by Fraunhofer ISE in Freiburg, Germany, confirmed a power output of 100.3 Watt peak (Wp) under standard test conditions.

The Q-Cells Q.SMART UF solar module, with an area of 0.75 m², reaches a total area efficiency of 13.4 %. Moreover, with an aperture area of 0.684 m², the module's aperture area efficiency is 14.7 %. Q-Cells says its CIGS thin film technology now holds the world record for monolithically integrated photovoltaic modules based on the record efficiency table compiled by Progress in Photovoltaics.

“In June 2010, Q-Cells achieved the previous efficiency world record of 13 % with the same type of CIGS solar module out of series production”, noted Gerhard Rauter, COO of Q-Cells. “With this new record, 13.4 %, Q-Cells proves one more time its technological leadership in the photovoltaic sector.”

Q-Cells’ CIGS thin film modules are currently taking part in a number of reference installations and are exhibiting stable and outstanding energy yields (KWh/KWp). Even after one year of operation Q.SMART systems in different European regions of irradiation show improved performances.

The Q.SMART UF achieved currently among the top performers in a benchmark at the test field of “Desert Knowledge Australia Solar centre”, a peak performance under extreme climate conditions. Q-Cells claims that so far, the Q.SMART UF is the highest-performing solar module under these conditions.

 The Q.SMART UF is the unframed CIGS solar module from Q-Cells. It stands out for its performance and high quality. Due to its homogenous black surface it is a perfect fit on visual aesthetics and building integrated installations and suitable for private and small to medium-sized commercial and industrial rooftop and in-roof installations. The unframed modules stand out for their efficient self-cleaning, making them perfect for flat roofs and façade solutions.

The solar modules are designed for good response to temperature and low light, ensuring high energy yields. This is supported by the positive sorting +5/-0 watts, allowing deviations only to higher than expected levels.

The cell geometry in particular makes the modules especially efficient in the event of partial shading or a less-than-optimal positioning of the roof. The module features durable glass encapsulation with a proven edge seal for long-term stability, ensuring protection and resistance to environmental influences.

Q-Cells currently offer two CIGS thin film formats: Q.SMART (framed), Q.SMART UF (unframed) and Q.SMART UF L (unframed large). The latter format is 25% wider than the former two so as to reduce the associated BOS costs on large rooftop and free-field installations.
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