In the close race for PV efficiency, copper indium gallium (di)selenide cells have taken the lead again in tests at the Atsugi Research Center in Kanagawa, Japan.
The Fraunhofer Institute, Europe’s largest application-oriented research organization, has independently verified the results.
A Solar Frontier 0.5cm2 CIS configuration achieved 20.9% conversion efficiency, a world record for thin-film photovoltaic technologies. Solar Frontier is dedicated to creating the most economical, ecological solar energy solutions on Earth, and CIS modules require 60% less energy to produce than crystalline silicon.
The company conducted joint research with the New Energy and Industrial Technology Development Organization to achieve this result, which exceeds the conversion efficiency of traditional (and higher-cost) crystalline silicon PV. Cadmium telluride thin-film cell efficiency approaches that of CIS (record of 19.6% as of 2013). In reaching 20.9%, Solar Frontier has broken its own record.
http://cleantechnica.com/2014/04/11/thin-film-solar-cell-efficiency-record-set-solar-frontier/
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