Together with their partners, the Physikalisch-Technische Bundesanstalt has developed a new measurement method and numerical simulation methods and has now published first results. So-called bifacial solar cells can convert incident light into electrical current both on their fronts and backs.
They are up to 30 per cent more powerful than conventional monofacial cells that use only their fronts.
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The hitherto very complicated production of such double-sided solar cells has now been made simpler and less expensive by means of a newly developed doping process. Each time the fuel-air mixture is ignited in petroland diesel engines a small portion of the gases flows from the combustion chamber into the crankcase as leakage current.
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