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     177  0 Kommentare LONGi announces the new world record efficiency of 30.1% for the commercial M6 size wafer-level silicon-perovskite tandem solar cells

    MUNICH, June 21, 2024 /PRNewswire/ -- The world-leading solar technology company, LONGi Green Energy Technology Co., Ltd. (hereafter as "LONGi"), officially announced the new world record efficiency of 30.1% for the commercial M6 size wafer-level silicon-perovskite tandem solar cell on June 19, 2024 at the 2024 Intersolar Europe in Munich, Germany.

    The commercial M6 size wafer-level silicon-perovskite tandem solar cell independently certified by the authoritative certification institutions of the Fraunhofer Institute for Solar Energy (Fraunhofer ISE) in Germany achieved photovoltaic conversion efficiencies of 30.1%.

    The release of this new world record comes less than a week after LONGi announced a new world record of 34.6% tandem solar cell efficiency at the 2024 SNEC EXPO in Shanghai, and it also breaks the previous world record of 28.6% wafer-level tandem solar cell efficiency on M4 commercial size wafers in May 2023 with an absolute efficiency advantage of 1.5%.

    Dr. He Bo, R&D Director of LONGi Central R&D Institute, spoke at the launch ceremony that the new world record efficiencies achieved by LONGi represent not only a significant advancement in pushing the efficiency limits of silicon-perovskite tandem cell prototypes but also a milestone in the commercial viability of this technology, marking a breakthrough by LONGi's team in its development.

    Dr. He Bo said: "While continuously exploring the efficiency limits of tandem solar cells, LONGi's R&D team started research on mass production technology for tandem solar cells in October 2023, and in just six months, they overcame two key challenges: the preparation of large-area perovskite films in air and ultra-low-temperature metallization." Combining the experience in prototype device researches, the R&D team achieved a photovoltaic conversion efficiency of over 30% for the first time on commercial-sized silicon-perovskite tandem solar cell devices, showing a significant efficiency advantage over LONGi's recently created efficiency record of 27.3%, greatly boosting the global photovoltaic industry's confidence and expectations for silicon-perovskite tandem solar cell technology.

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    LONGi announces the new world record efficiency of 30.1% for the commercial M6 size wafer-level silicon-perovskite tandem solar cells MUNICH, June 21, 2024 /PRNewswire/ - The world-leading solar technology company, LONGi Green Energy Technology Co., Ltd. (hereafter as "LONGi"), officially announced the new world record efficiency of 30.1% for the commercial M6 size wafer-level …