东方日升(300118.SZ)：研究院计划在2027年推出功率达850W以上钙钛矿叠层电池

Core Viewpoint - The company has established a strong foundation in heterojunction technology, which shows high compatibility with perovskite solar cells, enabling the development of diverse and efficient product matrices [1] Group 1: Technology Development - The company’s research institute has achieved a conversion efficiency of 30.99% for perovskite/silicon heterojunction tandem solar cells, certified by the National Solar Photovoltaic Product Quality Inspection and Testing Center [1] - The next goal for the research institute is to launch perovskite tandem cells with a power output exceeding 850W by 2027 [1]