August 2, 2024 DAS Solar, a leader in N-type technology, holds the certification ceremony of “TÜV Rheinland Witness Laboratory” in Zhejiang, China. With N-type technology at its core, DAS Solar has set the world record for conversion efficiency of large-area TOPCon cells for three consecutive times within eight months. The cell achieves an impressive mass production efficiency of up to 26.6%, and a open-circuit voltage of 742mV.