35.5%! LONGi Once Again Breaks World Record for Crystalline Silicon-Perovskite Tandem Solar Cell Efficiency

At the 2026 Solar and Energy Storage Innovation Conference, LONGi officially announced that its independently developed crystalline silicon-perovskite tandem solar cell has achieved a conversion efficiency of 35.5%, certified by the European Solar Test Installation (ESTI), once again setting a new world record. Crystalline silicon-perovskite tandem solar cells represent the ... LONGi Once Again Breaks World Record for Crystalline Silicon-Perovskite Tandem Solar Cell