Core Insights - The report emphasizes the growing importance of lithium batteries, particularly in the electric vehicle (EV) sector, highlighting the need for improved energy density, power density, and safety [5][9][10]. Group 1: Battery Types and Structures - Lithium batteries are categorized into three main packaging structures: cylindrical, prismatic, and pouch batteries, each with its advantages and applications [2][3]. - Cylindrical batteries have a higher standardization level and better thermal management compared to prismatic and pouch batteries, making them more suitable for high-performance applications [5]. Group 2: Trends in Battery Technology - The trend towards "full tab" or "no tab" battery structures is noted, which enhances the conductivity and reduces internal resistance, thereby improving energy and charging speeds while minimizing heat generation [6][9]. - The development of large cylindrical batteries, such as Tesla's 4680, is highlighted for its significant improvements in energy capacity (5 times), power (6 times), and cost reduction (14%) compared to previous models [10]. Group 3: Market Dynamics and Projections - The global market for power batteries, which accounts for over 70% of total lithium battery shipments, is expected to grow significantly due to the increasing demand for electric vehicles [5]. - Major battery manufacturers are investing in large cylindrical battery production, with projections indicating that the market share for these batteries could exceed 30% by 2025 [9][10].