固态电池系列1:全球政策与各国发展路径全景对比:政策风起,产业破晓

Investment Rating - The report assigns an "Outperform" rating to several companies in the new energy sector, including 阳光电源 (Sunlight Power), 天合光能 (Trina Solar), TCL 中环 (TCL Zhonghuan), 大金重工 (Daikin Heavy Industries), and others, with target prices ranging from 8.54 to 129.78 [1]. Core Insights - Solid-state batteries are emerging as a solution to the dual challenges of energy density and safety, with energy density potentially reaching 500 Wh/kg, significantly higher than traditional lithium-ion batteries [4][21]. - The global market for solid-state batteries is expected to grow rapidly, with shipments projected to reach 36 GWh in 2025 and over 600 GWh by 2030, indicating a significant increase in market penetration from approximately 0.2% in 2024 to an expected 10% by 2030 [38][39]. - China is positioned as a leader in the solid-state battery industry, supported by a comprehensive policy framework and significant market demand, with major companies like 宁德时代 (CATL) and 比亚迪 (BYD) making substantial advancements in production timelines [5][39][50]. Summary by Sections 1. Solid-State Battery Development - Traditional lithium-ion batteries face limitations in energy density and safety, with energy density nearing theoretical limits and safety concerns due to flammable electrolytes [13][19]. - Solid-state batteries utilize solid electrolytes, eliminating flammability risks and enhancing energy density, thus addressing key industry concerns [22][25]. 2. Global Policy Landscape - The development of solid-state batteries has become a strategic priority for major economies, with diverse approaches: Japan focuses on technological leadership, China on rapid commercialization, South Korea on industry integration, and the U.S. on capital-driven innovation [32][33]. - Various countries are implementing supportive policies to foster the growth of the solid-state battery sector, with significant investments in research and development [68]. 3. China’s Market Position - China dominates the global lithium battery market, accounting for 59% of the total installed capacity in 2024, with a strong focus on solid-state battery technology as a key growth area [39][42]. - The Chinese government has elevated solid-state battery research to a strategic level, aiming to secure technological leadership in the next generation of power batteries [50][49]. 4. U.S. Market Dynamics - The U.S. solid-state battery sector is characterized by a focus on startup companies and significant capital investment, with policies aimed at reducing reliance on foreign supply chains and fostering domestic innovation [62][68]. - Major players like QuantumScape and Solid Power are leading the charge in technology validation and partnerships with automotive manufacturers [69][78]. 5. Japan and South Korea’s Strategies - Japan is leveraging its material innovation capabilities to regain leadership in the battery sector, with a focus on solid-state technology as a critical component of its national strategy [83]. - South Korea is enhancing its production capabilities through collaboration among major companies like Samsung SDI and LGES, aiming for accelerated commercialization of solid-state batteries [83].