Group 1 - The conference on perovskite technology will be held from August 26-28, 2025, in Changzhou, Jiangsu, with over a thousand attendees and more than a hundred participating companies [1] - Dr. Huang Xin'er, Chief Scientist of Shanghai Xuli Perovskite New Energy Co., will present a report titled "Perovskite-Silicon Tandem Battery Technology Opens a High-Efficiency Future for Photovoltaics" [1][2] - The report will discuss the advancements in perovskite-silicon tandem battery technology, which is seen as a key technology for the next major revolution in the photovoltaic industry [3] Group 2 - N-type silicon batteries have become the market mainstream, but their efficiency improvements are reaching a plateau, leading to overcapacity in the industry [3] - The development of perovskite-silicon tandem batteries is crucial for reducing costs and increasing efficiency, thereby expanding the market share of photovoltaics in power generation [3] - Recent advancements in coating materials, processing equipment, and technology have led to record efficiency levels for perovskite-silicon tandem batteries, making them a focal point for future industry growth [3] Group 3 - Shanghai Xuli Perovskite New Energy Co. was established in 2023 and is a vice president unit of the China International Science and Technology Promotion Association's Perovskite Industry Association [7] - The founding team consists of experienced technical experts from the display, semiconductor, and photovoltaic fields, focusing on the research, production, and manufacturing of high-efficiency perovskite and tandem batteries [7] - The company is committed to innovation in battery technology, coating material development, and optimization of tandem structures, with a strong emphasis on research and mass production experience in perovskite and silicon batteries [7]