Core Viewpoint - The 21st Shanghai International Automobile Industry Exhibition showcases EVE Energy's advanced battery technologies, emphasizing the capabilities of their large cylindrical battery design and its various applications in electric vehicles and other sectors [1]. Group 1: Technology Features - The large cylindrical battery has three main technical characteristics: standardized design enhances manufacturing efficiency, with a tenfold increase in standardization rate compared to square batteries [3]. - The "fixed size + diversified chemical system" technology allows compatibility with various battery chemistries, enabling flexible adjustments in capacity and range, and reducing the battery system development cycle to 3-6 months [3]. - The circular structure design achieves "zero expansion" throughout the battery's lifecycle, minimizing stress management requirements for the battery system [3]. Group 2: Key Innovations - EVE Energy has achieved breakthroughs in four critical technologies, including a low-temperature solution for fast charging in -30℃ environments within 25 minutes [5]. - The system assembly precision reaches 200μm in the vertical direction and 250μm in the horizontal direction, while welding depth precision is controlled at 80μm [5]. - The all-domain foaming technology enhances the battery pack's torsional rigidity to over 15,000 NM [5]. Group 3: Market Expansion and Sustainability - EVE Energy has introduced a layered energy solution for low-altitude flying vehicles, featuring high assembly efficiency products below 320Wh/kg and higher energy density soft-pack battery technology [6]. - The company launched a global lithium battery recycling network called the "Cradle Plan," establishing recycling points in over 30 countries across four continents, creating a closed-loop system from battery recycling to material regeneration, with over 32,000 units already transported [6]. - EVE Energy will continue to advance large cylindrical battery technology and deepen collaborations with global automotive companies to expand applications in new energy technologies [6].

Core Viewpoint - The Shanghai International Automobile Industry Exhibition showcases EVE Energy's core technology products, with the cylindrical battery being highlighted as the optimal solution for electric vehicles [1][2]. Group 1: Key Advantages of Cylindrical Batteries - Standardization: The cylindrical battery aligns with the efficiency requirements of the automotive industry, addressing the capacity mismatch issue in China's battery industry over the past decade. It boasts a manufacturing efficiency that is ten times higher than that of square batteries, allowing for standardized design and assembly processes [1]. - In-situ Upgrading: The cylindrical battery's "fixed size + diversified chemical system" technology can adapt to various chemical systems, including LFP, LMX, and NCM, enabling flexible adjustments in energy capacity, range, charging time, and power. This innovation can reduce development time to 3-6 months and cut R&D costs by 80% [1][2]. - Zero Expansion: The cylindrical battery's design eliminates the need for complex stress management, maintaining consistent dimensions throughout its lifecycle. This simplifies the electronic system's storage and enhances safety through advanced materials and construction techniques [2]. Group 2: Technical Challenges and Solutions - Low-Temperature Performance: EVE Energy has developed new technologies to overcome low-temperature challenges, allowing the cylindrical battery to achieve fast charging in -30°C conditions and improve low-temperature range by 20% [2]. - High Precision Grouping: The battery system typically contains 700-800 cells, and EVE Energy has achieved vertical control of 200μm and horizontal positioning accuracy of 250μm, ensuring uniform heat transfer and stable operation [3]. - Reliable Welding: With over 1500 welding points in each battery pack, EVE Energy has achieved a welding depth precision of 80μm, ensuring the reliability of electrical connections [3]. - High-Density Foaming: The cylindrical battery's strength is five times that of square batteries, and the application of full-domain foaming technology enhances its torsional rigidity to over 15000NM, contributing to vehicle stability [3]. Group 3: Market Performance and Partnerships - Production Milestone: EVE Energy has delivered over 32,000 units of cylindrical batteries since commencing mass production 15 months ago, with a record of over 210,000 kilometers per vehicle without accidents [4]. - Expanding Partnerships: The cylindrical battery products have been adopted by major manufacturers such as Changan, FAW, BMW, NIO, and JAC, with plans for gradual scale delivery in the future [5].