电气设备：固态电池产业路在何方

Investment Rating - The report does not explicitly state an investment rating for the solid-state battery industry, but it discusses the potential and challenges of solid-state and semi-solid batteries, indicating a cautious optimism towards their future development. Core Insights - Solid-state batteries theoretically offer higher energy density and safety compared to traditional lithium-ion batteries, but face challenges such as interface issues and manufacturing costs [12][41]. - The industry is moving towards solid-state technology as a long-term solution, with semi-solid batteries seen as an interim step [25][41]. - The report highlights the need for advancements in solid electrolyte materials and manufacturing processes to achieve commercial viability [23][41]. Summary by Sections Current Status of Solid-State Battery Applications - Solid-state batteries are positioned as an upgrade to existing high-energy-density systems, with a focus on intrinsic safety and energy density improvements [41]. - The report notes that the total planned capacity for solid-state batteries exceeds 565.7 GWh, with approximately 28.3 GWh already constructed [43]. Technical Pathways and Material Systems - The report outlines three technical pathways: liquid, semi-solid, and solid-state, with solid-state batteries being the long-term direction despite current manufacturing challenges [25][40]. - Solid-state batteries utilize solid electrolytes to mitigate issues like thermal runaway and lithium dendrite growth, although solid-solid interface problems remain unresolved [12][41]. Economic and Performance Analysis - The cost analysis indicates that while solid-state batteries may have higher initial costs, they offer significant safety advantages and potential for higher energy density [21][41]. - Semi-solid batteries are compared to liquid batteries, showing that they do not currently offer significant advantages in terms of economic viability or performance [36][38]. Market Demand and Future Outlook - The report anticipates that the semi-solid battery market will see industrialization around 2026-2027, while solid-state batteries will require more time to reach maturity [45][46]. - Consumer demand is shifting towards high energy density, safety, and fast charging capabilities, which solid-state batteries are well-positioned to meet [45][41].