Investment Rating - Investment rating for the power equipment industry is "Positive (Maintain)" [1] Core Insights - The solid-state battery sector is transitioning from laboratory to mass production validation, with expectations for small-scale vehicle trials by the end of 2025 and widespread trials in 2026-2027 [22] - The solid-state battery index increased by 8.3% from June 23 to June 27, 2025, with a cumulative increase of 19.1% since December 31, 2024 [11][12] - QuantumScape has achieved a breakthrough in its Cobra separator manufacturing process, significantly improving production efficiency and laying the groundwork for commercialization [29] Summary by Sections 1. Weekly Sector Review - The solid-state battery index rose by 8.3%, with a notable increase in trading volume by 130.5% compared to the previous week [11] - The electrolyte composite film segment led the gains with a 17.4% increase, while other segments also performed well [12][16] 2. Industry Dynamics - Ion Storage Systems in the U.S. has begun producing solid-state batteries, potentially accelerating large-scale commercialization [24] - The first "Lithium Sulfide and Sulfide Solid-State Battery Forum" was held, focusing on material innovation and industrialization paths [26] - A pilot project for electric bicycle solid-state battery swapping was launched, marking a significant step in commercialization [27] 3. Individual Company Developments - QuantumScape has integrated its Cobra separator technology into its baseline battery production, enhancing production speed and efficiency [29] - Greenme has achieved ton-level shipments of precursor materials for solid-state batteries, including high-nickel and lithium-rich manganese-based cathodes [30] - Ganfeng Lithium has established a comprehensive layout for solid-state batteries, covering key components such as sulfide electrolytes and lithium metal anodes [35]