Core Viewpoint - The article emphasizes that the development of power batteries has transitioned from being driven by parameters to being led by demand, marking a new era in the industry [19]. Group 1: New Battery Products and Technologies - CATL launched several new battery products and technologies at its first Technology Day, including the second-generation Shensheng supercharging battery, "Sodium New" sodium-ion battery series, self-generating negative electrode technology, and a new "Dual-Core" battery architecture [2][19]. - The second-generation Shensheng supercharging battery offers a range of 800 kilometers and supports a peak charging rate of 12C, allowing for a 520-kilometer charge in just 5 minutes [3][5]. - The sodium-ion battery series has an energy density of 175Wh/kg and can operate in extreme temperatures from -40°C to 70°C, maintaining 90% usable capacity at -40°C [9]. Group 2: Technical Innovations - The second-generation Shensheng battery incorporates several technological innovations, including carbon-coated nano-superconducting technology for the positive electrode and ultra-crystalline graphite for the negative electrode, significantly enhancing lithium-ion insertion speed and reducing resistance [6][7]. - The self-generating negative electrode technology improves ion conduction speed by two orders of magnitude and reduces active ion consumption rate by nearly 90%, enhancing battery storage performance by 300% [11][12]. Group 3: Dual-Core Architecture - The "Dual-Core" architecture integrates different chemical systems within a single battery system, featuring a main energy zone for daily or fast charging needs and an extended energy zone utilizing self-generating negative electrode technology for high energy density and long range [13][14]. - This architecture includes five core functional features aimed at enhancing system performance, reliability, and safety, such as independent energy units and thermal management capabilities [15][16][17]. Group 4: Market Implications and Future Prospects - The multi-core technology signifies a shift in the power battery development landscape, moving towards deep customization without compromising on range, low-temperature performance, lifespan, safety, or fast charging [19]. - The application of multi-core technology is expected to accelerate the industrialization of new energy solutions across various sectors, including electric buses, heavy trucks, aircraft, ships, and commercial energy storage [20].
宁德时代首个科技日聚焦:12C铁锂快充、自生成负极与“双核”架构