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Chinese solar cell manufacturer Longi sets another record with 27.81% efficiency
- ck2 2y agoWikipedia has this amazing chart of progress since 1975 https://en.wikipedia.org/wiki/Solar-cell_efficiency#/media/File:NREL_PV_Cell_Record_Efficiency_Chart.png https://en.wikipedia.org/wiki/Solar-cell_efficiency#/media/F... (ignore the purple line which isn't cells) But maybe cost reduction is a more important record even if it stalled at 20-25%