Longi has beaten the previous record of 33.7 per cent set by King Abdullah University in May this year. The new efficiency record also exceeds the theoretical Shockley-Queisser limit of 33.7 per cent for single-junction solar cells of all cell materials.
See also: Longi builds PV plant with 90% less CO2 emissions
The efficiency of crystalline silicon cells is currently approaching its theoretical limit of 29.4 per cent. The theoretical efficiency of silicon perovskite tandem cells can reach up to 43 per cent. However, the much-researched perovskite cells have so far failed due to their insufficient stability. Commercial solar modules with this technology are therefore not expected for the time being. (HS/mfo)
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