Longi announces 27.30% efficiency for heterojunction back contact solar cell

The Chinese module manufacturer said the new efficiency record was confirmed by Germany's Institute for Solar Energy Research (ISFH). Chinese solar module manufacturer Longi has achieved a power conversion efficiency of 27. 30% for an HBC solar cell. Germany's Institute for Solar Energy Research (ISFH) has confirmed the result. The new efficiency record beats the previous world record of 27. 09%, which was also set by Longi at the end of last year. At the time, Longi said the result was enabled through a new laser graphical process that costs less than conventional high-cost photolithography ...

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