light and elevated temperature-induced degradation

Scientists from Trina Solar, Longi, Fraunhofer ISE, and other entities have looked at light and elevated temperature-induced degradation (LeTID) in gallium-doped Czochralski silicon (Cz-Si:Ga) PERC cells. They have found little relevant degradation.

Should the industry be alarmed at the potential degradation susceptibility of tunnel oxide passivated contact (TOPCon) solar cells? Or are the problems easily addressed and more a reflection of rushed-to-market products? pv magazine contributor and consultant Götz Fischbeck reports.

The Chinese-Canadian company has unveiled a range of high-power modules which are set to go into mass production by early next year. The series includes a commercial and industrial rooftop-dedicated product offering a reported 405 W.

Asier Ukar, director of the Spanish unit of German technical advisory PI Berlin, tells pv magazine about his experiences of conducting quality control inspections in Chinese factories during the global pandemic.