Core Viewpoint - The article discusses the divergent attitudes of major automotive players towards solid-state batteries, highlighting the varying levels of commitment and technological advancements among different companies in the industry [4][8]. Group 1: Major Automotive Companies' Developments - Toyota has shifted focus from solid-state batteries to hybrid vehicles and new-generation engines, believing hybrids are more aligned with current market demands [4]. - BMW has begun road testing a modified i7 with Solid Power's sulfide solid-state battery [5]. - BYD announced a solid-state battery technology capable of charging in 12 minutes for a range of 1500 kilometers, with an energy density of 400Wh/kg [5]. - Changan Automobile showcased a solid-state battery with an energy density of 400Wh/kg at the Shanghai Auto Show [5]. - Mercedes-Benz has been testing a sulfide solid-state battery in a modified EQS since February [5]. Group 2: Battery Manufacturers' Progress - Guoxuan High-Tech has established a pilot line for sulfide solid-state batteries and plans to produce 2GWh annually [10][12]. - The company has achieved significant advancements in materials, with a single cell capacity of 70Ah and an energy density of 350Wh/kg [15]. - The solid-state battery has passed various safety tests, indicating readiness for mass production [16]. Group 3: Market Outlook and Challenges - The commercial viability of solid-state batteries is still uncertain, with industry experts predicting a clearer picture in five years [8]. - The current cost of solid-state battery cells is approximately ten times that of lithium-ion batteries, posing a significant barrier to widespread adoption [19]. - The article notes that while solid-state batteries show promise, they require substantial time and development to reach mass production levels [19]. Group 4: Alternative Battery Technologies - Companies are also exploring semi-solid state batteries, with several firms planning to launch these products in the near future [21][24]. - Guoxuan High-Tech is developing both semi-solid and solid-state battery technologies, with plans for a 12GWh production line for semi-solid batteries [25]. - Sodium-ion batteries are being commercialized, with applications in commercial vehicles and plans for passenger vehicles by the end of the year [30][33].