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May 27 2025China breaks through the bottleneck of solar cell technology and achieves mass production of perovskite solar battery
China's scientific research team has overcome the core difficulties of perovskite solar battery and successfully developed three-dimensional laminar wind field technology to achieve stable production of square-meter perovskite modules. This innovative achievement, published in the journal Science, marks the entry of solar battery technology from the laboratory into the commercial stage. According to Yan Buyi, chief technology officer of Hangzhou Xianna Optoelectronics, this technology uses an airflow control system that simulates the principle of a "range hood" to make the thickness fluctuation of the perovskite film less than 3 microns, and increases the power of a 0.79 square meter module to 118W. Based on the innovative process of the lithium ion solar battery structure, the yield of the mass production line has exceeded 98.5%, and the power generation per unit installed capacity in a 500-kilowatt commercial power station has increased by 29% compared with traditional crystalline silicon solar batteries. This breakthrough, combined with theoretical calculations by Zhejiang University, not only promotes the upgrading of the solar energy industry, but also provides a new direction for the development of global photovoltaic technology.
