03 Feb '16, 11pm

Claims for Solar Cell Efficiency Put to Test at NREL

Claims for Solar Cell Efficiency Put to Test at NREL

Claims for Solar Cell Efficiency Put to Test at NREL February 4, 2016 Keith Emery, a principal engineer at NREL, has made the Colorado laboratory a major presence in the field of measuring the efficiency of solar cells. Photo by Dennis Schroeder The sheet of paper taped to the door of Keith Emery's office tells the story. On the paper is a simple fever chart showing the improvements made in increasing the efficiency of two dozen types of solar cells. Some of the lines marking record efficiencies date to the mid-1970s. Others start much more recently, with the advent of newer technologies. More than anyone at the Energy Department's National Renewable Energy Laboratory (NREL), Emery has seen the lines on that chart move ever higher. Since joining what at the time was the Solar Energy Research Institute, Emery has made the process of recording record efficiencies of solar ce...

Full article: http://www.nrel.gov/news/features/2016/21635

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