CleanTechnica » solar efficiency advances http://cleantechnica.com Clean Tech News & Views: Solar Energy News. Wind Energy News. EV News. & More. Tue, 30 Dec 2014 18:48:25 +0000 en-US hourly 1 http://wordpress.org/?v=4.0.1 Black Silicon Solar Cell Efficiency Record Broken http://cleantechnica.com/2013/04/05/black-silicon-solar-cell-efficiency-record-broken/ http://cleantechnica.com/2013/04/05/black-silicon-solar-cell-efficiency-record-broken/#comments Fri, 05 Apr 2013 16:57:48 +0000 http://cleantechnica.com/?p=50449 Researchers at Fraunhofer ISE of Germany and Aalto University of Finland have developed a black silicon solar cell that achieved 18.7% efficiency. This is the highest efficiency reported for a black silicon solar cell technology. 18.7% efficiency means a power-to-size ratio of 187 watts per square meter of these cells. 7,000 watts (7 kW) of these

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