Investment Rating - The report indicates a positive outlook for the solid-state battery industry, suggesting it as a key upgrade direction for lithium-ion batteries [1]. Core Insights - Solid-state batteries are expected to address the limitations of liquid lithium-ion batteries, such as energy density ceilings, safety risks from lithium dendrites, and performance issues at low temperatures [5][11]. - The global solid-state battery shipment is projected to reach 614.1 GWh by 2030, with a market size potentially reaching 17.2 billion yuan [19][21]. - The penetration rate of solid-state batteries is expected to increase from approximately 0.1% in 2023 to 10% by 2030 [22][24]. Summary by Sections 1. Solid-State Battery as an Upgrade Direction - The solid-state electrolyte enhances battery safety, with technology routes categorized into sulfide, oxide, and polymer types [5][16]. - The development of solid-state batteries is crucial for overcoming existing technological bottlenecks and meeting future diverse application needs [5][11]. 2. Industry Progress and Adoption - Major automotive manufacturers are accelerating the adoption of solid-state batteries, with a focus on sulfide technology [29][33]. - Companies like BYD and CATL have confirmed their commitment to the sulfide solid-state battery route, with production plans in place [33][36]. 3. Cost Reduction Trends - The current cost of solid-state batteries is higher than traditional lithium-ion batteries, with projections indicating that the unit cost could reach 0.78 yuan/Wh in the long term [38][42]. - The cost of solid-state batteries is expected to decrease as production yields improve, with mid-term costs estimated at around 0.50 yuan/Wh [42][43]. 4. Key Companies in the Solid-State Battery Industry - Notable companies involved in the solid-state battery sector include Nakanor, Yuanhang Precision, Better Ray, Lingge Technology, and Wuhan Blue Electric, each making significant advancements in technology and production capabilities [4][4][4]. - Nakanor has delivered key solid-state battery equipment to major clients, marking a technological breakthrough in the industry [4][4]. - Better Ray has launched high-nickel positive electrodes and solid-state electrolytes, contributing to next-generation battery solutions [4][4]. 5. Market Demand and Government Support - The Chinese government has elevated solid-state battery research to a national strategic level, with significant funding and policy support aimed at accelerating development [19][20]. - The solid-state battery market is anticipated to grow significantly, driven by advancements in technology and increasing demand for electric vehicles [19][21].