邀请函：2026（第二届）起点锂电圆柱电池技术论坛暨圆柱电池20强排行榜发布会4月10日深圳举办！

Group 1 - The core viewpoint of the article highlights the explosive growth of the large cylindrical battery and all-tab technology market, with a projected increase of over 15% in China's cylindrical battery shipments by 2025, and a growth rate exceeding 40% for large cylindrical batteries [3] - Major companies in the large cylindrical battery sector, such as EVE Energy, Molicel, and others, are expected to face supply shortages due to high demand, with continued rapid growth anticipated in 2026 [3] - The integration of advanced technologies like all-tab, high nickel, silicon-carbon, and sodium batteries with cylindrical batteries is expected to create new growth points and market opportunities [3] Group 2 - The event titled "2026 (Second) Qidian Lithium Battery Cylindrical Battery Technology Forum and Top 20 Rankings Release" is organized by Qidian Lithium Battery and Qidian Research Institute (SPIR), focusing on the advancements in cylindrical battery technology [6] - The forum will feature discussions on various topics, including high-power cylindrical battery technology, innovations in household and portable energy storage, and the development trends of automotive-grade large cylindrical batteries [7][8] - A comprehensive competitive ranking of the top 20 cylindrical battery companies will be published, covering key aspects such as battery cells, equipment, and materials, serving as a reference for industry procurement [3][8]