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Solar Frontier Achieves Record 19.7% CIS Efficiency2013-01-08

Tokyo, January 8, 2013 Solar Frontier, in joint research with Japan’s New Energy and Industrial Technology Development Organization (NEDO), has achieved a world record-breaking energy conversion efficiency of 19.7% for cadmium-free, thin-film solar cells measuring approx. 0.5 cm2, as measured by the National Institute of Advanced Industrial Science and Technology (AIST). It has been ten years since the previous record of 18.6% was set.
 
This world record was achieved using cells cut from a 30cm x 30cm substrate, rather than specifically-developed small area cells, demonstrating high potential for further increases. Moreover, the formation method utilized by Solar Frontier to achieve the result is the same method it uses for mass-production, a process of sputtering followed by selenization. Solar Frontier has chosen this method over co-evaporation due to greater efficiencies in mass production and aims to surpass the current record of 20.3% efficiency set with the co-evaporation method.
 
“This new achievement in energy conversion efficiency indicates the high level of Solar Frontier’s technology and the high potential of CIS technology,” said Satoru Kuriyagawa, Chief Technology Officer, Solar Frontier. “The CIS thin-film modules currently available from Solar Frontier have gained a reputation for high performance in actual power generation, as they are not easily affected by shadows or high temperatures. Now, even higher real-world performance can be expected by applying this new basic technology. We will continue working to further enhance our technological capabilities with the aim of setting a world record for thin-film solar cells overall.”
 
Solar Frontier’s CIS modules are manufactured at the company’s Kunitomi Plant, which boasts world-class production capacity and cutting-edge technology. Since the Kunitomi Plant started commercial production in February 2011, it has steadily increased its production efficiency. Currently, the CIS thin-film solar modules produced at Kunitomi have a conversion efficiency that exceeds 13%, and the amount of electricity generated (kWh) per installed capacity (kW) exceeds that of other solar modules. Showa Shell Sekiyu and Solar Frontier intend to contribute even further to the expansion of Japan’s energy industry and local production and consumption using environmentally-friendly CIS thin-film solar modules made in Japan.


 
 ARC Press Release Photo
Solar Frontier’s Atsugi Research Center has developed Cadmium-free CIS cells that have achieved an energy conversion efficiency of 19.7%.
 
 
 
About Solar Frontier
Solar Frontier K.K., a 100% subsidiary of Showa Shell Sekiyu K.K. (TYO:5002) (“Solar Frontier”), has a mission to create the most economical, ecological solar energy solutions on Earth. Building on a legacy of work in solar energy since the 1970s, Solar Frontier today develops and manufactures CIS (denoting copper, indium, selenium) thin-film solar modules for customers in all sectors around the world. Solar Frontier’s gigawatt-scale production facilities in Miyazaki, Japan, integrate compelling economical and ecological advantages into every module: from lower energy requirements in manufacturing to the higher overall output (kWh) of CIS in real operating conditions. Solar Frontier is headquartered in Tokyo, with offices in Europe, the U.S.A., and the Middle East. Visit www.solar-frontier.com for more information.
 
 
Media Contacts
Global Inquiries:
Daniel Lochmann, Edelman (Tokyo)
Tel: +81 36858 7721
Email: SolarFrontier@edelman.com

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