Longi reveals details of 27.09%-efficient heterojunction back contact solar cell

In a new paper published in nature communications, the Chinese solar manufacturer explained that the heterojunction back contact cell it unveiled in late 2023 achieved one of the highest open-circuit voltage ever reported for this cell technology, as well as smaller than usual short-circuit current losses. The results were confirmed by Germany's Institute for Solar Energy Research (ISFH). A group of scientists from Chinese solar module maker Longi has described in a new scientific paper the 27. 09%-efficient heterojunction back contact (HBC) solar cell it unveiled in December 2023. At the time, ...

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