Core Viewpoint - The lithium battery industry in China is experiencing significant growth, with total planned investments exceeding 820 billion yuan by 2025, marking a year-on-year increase of over 74% [2]. Investment Overview - A total of 282 investment projects across the entire lithium battery industry chain are expected by 2025, with over 80% of the investment focused on lithium batteries and key materials [2]. - The planned total investment for the year is projected to reach 348.5 billion yuan, reflecting a 92% year-on-year increase [3]. Lithium Battery Sector - Approximately 64 new lithium battery projects are planned in China for 2025, with a total planned capacity exceeding 1,100 GWh, representing a 105% year-on-year growth [2]. - Major companies such as CATL, EVE Energy, and others have announced new capacity expansion plans, indicating a positive industry expansion signal [4]. Lithium Battery Materials - The planned investment in lithium battery materials, including cathode materials, anode materials, electrolytes, separators, and copper foil, is expected to reach 308.5 billion yuan, a 127% increase year-on-year [4]. - The demand for high-density, long-cycle-life cathode materials is driving rapid capacity expansion, while the electrolyte sector is experiencing growth due to supply-demand adjustments and rising production costs [5]. Solid-State Battery Sector - About 60 new solid-state battery projects are planned for 2025, with a total planned capacity of 189 GWh and a total investment of approximately 67.7 billion yuan, which is a 9% decrease year-on-year [7]. - Despite the decrease in investment, capacity planning has increased by 23%, attributed to breakthroughs in key processes that lower equipment costs [8]. Sodium Battery Sector - The sodium battery sector is set to see 42 new projects with a planned capacity exceeding 290 GWh and total investment surpassing 100 billion yuan, with all three metrics showing significant year-on-year growth [11]. - Key drivers for the rapid development of sodium batteries include continuous technological breakthroughs, increased application penetration, and cost advantages due to the rising prices of lithium materials [11].