Researchers from the two companies have built a lightweight and flexible silicon heterojunction (HJT) PV panel that measures 563 mm x 584 mm and weighs just 218. 5 g. Japanese investment holding company Softbank is developing a wide range of technologies for its planned ultra-lightweight high altitude platform station (HAPS), a solar-powered aircraft meant to operate at an altitude of 20 km above the earth's surface carrying telecommunications base stations as the payload. One of its research projects completed in March this year targeted a silicon PV panel of less than 700 g/m2, inspired by ...Den vollständigen Artikel lesen ...
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