JinkoSolar reaches 33.2% efficiency for perovskite/TOPCon solar cell

Chinese solar module manufacturer JinkoSolar Holding Co Ltd (NYSE:JKS) today said it has achieved conversion efficiency of 33.24% for its N-type TOPCon-based perovskite tandem solar cell.

The tandem cell, which uses JinkoSolar's n-type monocrystalline TOPCon solar cell as the bottom cell, was tested by the Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences. The newly achieved efficiency is above the company’s previous record of 32.33% for the same type of cells.

According to JinkoSolar, the accomplishment demonstrates the compatibility of TOPCon as a mainstream solar cell technology with the next-generation perovskite/silicon tandem cell technology.

Fellow Chinese manufacturer Longi Green Energy Technology Co Ltd in November 2023 claimed a world record of 33.9% for the efficiency of crystalline silicon-perovskite tandem solar cells.

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