Mother Nature Network: A new technique could help keep dust off of solar cells, a major obstacle that reduces the efficiency of photovoltaic panels. The technique, developed by Sergey Biryukov, a researcher at the Ben-Gurion National Solar Energy Center, uses an electric field to charge dust and small particles before repelling them. At a recent demonstration, Biryukov poured a small amount of a dustlike powder onto an electrified solar cell. The dust was immediately thrown back prevented by the electric field from settling...
URL: http://www.mnn.com/earth-matters/energy/stories/new-technique-dusts-off-solar-cells-increases-efficacy
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