Solar Frontier Sets Thin-Film PV World Record with 20.9% CIS Cell

Published April 4th 2014 at 2:04pm
Solar Frontier 
April 2, 2014 - Solar Frontier, in joint research with the New Energy and Industrial Technology Development Organization (NEDO), has achieved 20.9% conversion efficiency on a 0.5cm2 CIS cell. This is a world record conversion efficiency for thin-film photovoltaic technologies, beating Solar Frontier's previous world record of 19.7% conversion efficiency for CIS thin-film cells that do not contain cadmium, on top of the previous-best 20.8% cell efficiency record set for all thin-film PV technologies. The result has been independently verified by the Fraunhofer Institute.

"Solar Frontier's new 20.9% efficiency record resulted from a CIS cell cut from a 30cm by 30cm substrate produced using a sputtering-selenization formation method - the same method we use in our factories. The significance is twofold: it ensures we can transfer our latest achievement into mass production faster, and it proves the long-term conversion efficiency potential of Solar Frontier's proprietary CIS technology," said Satoru Kuriyagawa, Chief Technology Officer of Solar Frontier. "Solar Frontier has entered into the next phase in the development of CIS technology, and we look forward to building on this achievement and driving our efficiency even higher."

Conversion efficiency is a popular measurement used to compare the performance of solar modules. Actual performance after installation, however, depends on how differing PV technologies react to their surrounding environment and climate. Solar Frontier’s CIS modules are proven to generate more electricity (kWh/kWp) in real operating conditions than crystalline silicon modules.

Solar Frontier's latest efficiency record was achieved at the Atsugi Research Center (ARC) in Kanagawa, Japan.

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