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LONGi perovskite-silicon tandem solar cell sets world efficiency record at 35.5%, certified by ESTI
LONGiPerovskite-silicon tandem cells
LONGi announced that its crystalline silicon-perovskite tandem solar cell achieved a conversion efficiency of 35.5%, certified by the European Solar Test Installation (ESTI). This is the world record for this type of cell, breaking previous records and demonstrating the viability of tandem cell technology, though commercial production remains years away.