Scientists in Germany have developed two kinds of solar cells based on n-type doped electron-collecting poly-Si on oxide (POLO) junctions with aluminum-alloyed p+ contacts. Both devices are claimed to be possible upgrades of PERC technologies. The best-performant cell is an IBC device showing a power conversion efficiency of 23.71%, an open-circuit voltage of 711.5mV, a short-circuit current of 41.3mA/cm2, and a fill factor of 80.9%.A group of scientists from the Leibniz Universität Hannover and the Institute for Solar Energy Research Hamelin (ISFH) in Germany has developed two different kinds ...Den vollständigen Artikel lesen ...
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