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Das Solar has achieved a world-record open-circuit voltage of 730 mV for an M10 n-type tunnel oxide passivated contact (TOPCon) solar cell, with a power conversion efficiency of 26.24%, according ...
The Chinese manufacturer said its Bycium+ PV cell achieved an open-circuit voltage of 748.6 mV. The result was confirmed by Germany’s Institute for Solar Energy Research in Hamelin.