Scientists from the Fraunhofer ISE built a bifacial heterojunction solar cell with a power conversion efficiency of 21.7% via rotary screen printing. They used a machine that is able to achieve a ...
Germany’s Fraunhofer ISE and ASYS Automatisierungssysteme GmbH have evaluated and developed rotation processes for the production of silicon solar cells. The so-called “Rock Star” research project has ...
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