Longi said it has achieved a 26.81% efficiency rating for an unspecified heterojunction solar cell, as confirmed by Germany’s Institute for Solar Energy Research Hamelin (ISFH).
The Chinese module manufacturer said the result was confirmed by the Institute for Solar Energy Research in Hamelin, Germany.
The result was certified by the solar cells laboratory at the calibration and test center of Germany’s Institute for Solar Energy Research. Imec’s measurements showed cell bifaciality surpassed 80%.
The Institute for Solar Energy Research Hamelin (ISFH) and the Leibniz Universität Hannover claim that this result is a world record for p-type silicon material, as well as a European record for crystalline silicon.
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