KAIYUAN SECURITIES·2025-09-14 14:05Investment Rating - The report maintains an investment rating of "Positive" for the solid-state battery industry [4][35]. Core Insights - The solid-state battery sector is transitioning from laboratory testing to mass production validation, with expectations for small-scale vehicle trials by the end of 2025 and widespread trials in 2026-2027. Emerging applications in low-altitude, robotics, and AI are expected to accelerate market growth [23][26]. - Recent advancements include the successful delivery of dry-process equipment by XianDao Intelligent, achieving over 15% cost reduction, and the commissioning of a 10-ton solid electrolyte production line by Enjie Co., Ltd. [21][30]. Summary by Sections Industry Overview - The solid-state battery index increased by 2.6% from September 8 to September 12, 2025, with a cumulative increase of 51.7% for the year. The average increase for related stocks was 2.5%, with significant gains in the positive electrode and electrolyte sectors [2][9][11]. Recent Developments - Mercedes-Benz EQS successfully completed a 1205 km test with a solid-state battery, setting a new record for electric vehicles [26]. - The Hubei Solid-State Ion Energy headquarters project has commenced in Wuhan, focusing on a 0.2 GWh solid-state battery pilot line [27]. Company Dynamics - Enjie Co., Ltd. has launched a 10-ton solid electrolyte production line, enhancing its market capabilities [31]. - XianDao Intelligent has successfully delivered dry-process equipment, significantly reducing production costs and enhancing production efficiency [30]. - Huayi Qingchuang plans to invest 1 billion yuan in a silicon-based negative electrode project with an annual capacity of 10,000 tons [28]. - DaoShi Technology has signed an agreement for a 1000-ton silicon-carbon negative electrode project, supported by local government [29].