针对低温场景，宁德时代发布首款轻型商用车量产钠电池

Core Insights - CATL has launched the Tianxing II light commercial series solutions, including the mass-produced sodium-ion battery for light commercial vehicles, marking a significant step in the industry [1][3] Group 1: Product Launch and Features - The Tianxing II light commercial low-temperature version is the first mass-produced sodium-ion battery in the light commercial vehicle sector, with a capacity of 45 kWh [3] - The battery retains over 92% usable capacity at -20°C and can still charge at -30°C, demonstrating superior cold resistance [3] - Safety tests show that the sodium-ion cells do not catch fire or explode under extreme conditions, maintaining functionality even after being cut [3] Group 2: Market Position and Future Plans - CATL is a pioneer in sodium-ion battery development, having introduced its first generation in July 2021, with a single cell energy density of 160 Wh/kg [5] - The company plans to expand sodium-ion battery applications into passenger vehicles, with the first model set to be produced in Q2 of this year [3][5] - The sodium-ion battery market is projected to exceed 100 GWh in shipments and reach a market size of 100 billion yuan within the next 3-5 years [6] Group 3: Comparison with Lithium-ion Batteries - Sodium-ion batteries have advantages in resource availability, cold resistance, and safety compared to lithium-ion batteries, which are currently dominant in the market [5] - However, sodium-ion batteries face challenges such as lower energy density (175 Wh/kg) and fewer charge cycles (2000-3000) compared to lithium batteries [6] - Despite these challenges, CATL aims to make sodium batteries more economically viable than lithium batteries within 2-3 years [6] Group 4: Additional Product Offerings - The Tianxing II light commercial series also includes long-range, supercharging, and high-temperature supercharging versions, with various features such as 800 km range and rapid charging capabilities [7] - CATL has introduced a battery management app called "Battery Manager" to help users monitor battery lifecycle usage [7]