22 July, 2021 LONGi has announced a new world record of 25.19% for P-Type TOPCon cell conversion efficiency, only one month after the company broke the previous record of 25.09%. The new record, based on monocrystalline cells developed at LONGi’s Cell R&D Centre, was confirmed in testing carried out at the German Institut für Solarenergieforschung (ISFH), and raises the conversion efficiency of cells based on CZ wafers to a new level.