Investment Rating - The report maintains an investment rating of "Outperform the Market" with a target price set for leading stocks [4]. Core Insights - Solid-state batteries represent a revolutionary technology with significant improvements in safety, energy density, and lifespan compared to traditional liquid batteries. The semi-solid state batteries are entering the industrialization phase, while all-solid state batteries are in the research and development stage, expected to achieve mass production by 2027 [1][36]. - The production process of solid-state batteries differs from traditional liquid batteries, focusing on innovations in manufacturing equipment and processes, particularly in the front and middle stages of production [2]. - The solid-state battery industry is expected to drive upgrades in downstream industries, particularly in eVTOL and humanoid robots, creating new demand for battery applications [3]. Summary by Sections 1. Solid-State Battery: A New Generation of Technological Revolution - Solid-state batteries utilize solid electrolytes, eliminating the risks associated with flammable liquid electrolytes, and can operate safely at temperatures up to 800°C [20]. - Energy density for solid-state batteries can reach 400-500 Wh/kg, significantly higher than the 200-300 Wh/kg of traditional liquid batteries [20]. - The solid-state battery market is supported by various national policies aimed at promoting its development and innovation [33]. 2. Process Innovation Driving Equipment Upgrades - The manufacturing process for solid-state batteries involves significant changes, particularly in the introduction of dry electrode technology, which offers advantages in cost, energy consumption, and performance [2]. - The core elements for mass production include improvements in roller press performance and production efficiency [2]. 3. Driving Upgrades in Downstream Industries - The eVTOL industry requires batteries with a minimum energy density of 400 Wh/kg, which aligns perfectly with the capabilities of solid-state batteries [3]. - Humanoid robots face energy challenges that solid-state batteries can address, making them a preferred choice for energy systems in this sector [3]. 4. Investment Recommendations - The report suggests focusing on leading battery manufacturers with capital and technological advantages, such as CATL and BYD, as well as companies involved in equipment and new materials [3].