Xin Lang Cai Jing·2025-09-23 08:25Core Viewpoint - The news highlights the significant advancements in solid-state battery technology, with various automotive companies beginning road tests for vehicles equipped with these batteries, indicating a potential shift in the electric vehicle market towards more efficient battery solutions [1][2]. Group 1: Market Performance - As of September 23, 2025, the ChiNext New Energy Index (399266) rose by 1.54%, with notable increases in component stocks such as Terui De (300001) up 15.93%, Xian Dao Intelligent (300450) up 7.49%, and Xin Wang Da (300207) up 6.48% [1]. - The ChiNext New Energy ETF (159261) also saw an increase of 1.91%, with the latest price reported at 1.5 yuan [1]. Group 2: Solid-State Battery Developments - The transition from small-scale testing to medium-scale testing of solid-state batteries is underway, with companies like BMW and Guoxuan High-Tech showcasing road test vehicles equipped with these batteries [1]. - Changan Automobile plans to initiate solid-state battery installation verification in 2026, indicating a growing interest in this technology among major automotive manufacturers [1]. Group 3: Industry Insights - CITIC Securities notes that the period from 2025 to 2026 is expected to see a surge in road tests for solid-state batteries, emphasizing the need to address issues such as battery volume expansion and cycle life degradation [2]. - The consensus among automotive companies like BMW, Mercedes-Benz, and BYD is that battery cells require pressure constraints for optimal performance, suggesting a focus on the materials and manufacturing processes involved in battery production [2]. Group 4: Index Composition - As of August 29, 2025, the top ten weighted stocks in the ChiNext New Energy Index (399266) include CATL (300750), Sunshine Power (300274), and others, collectively accounting for 64.15% of the index [2].