比亚迪发布二代刀片电池，王传福喊话再次用技术改变世界

Core Viewpoint - BYD officially launched its second-generation blade battery and supporting fast-charging technology on March 5, showcasing advancements in energy density and charging speed [1] Group 1: Product Development - The energy density of the second-generation blade battery has increased by over 5% year-on-year [1] - The charging speed is significantly improved, with the battery charging from 10% to 70% in just five minutes, and from 10% to 97% in nine minutes [1] - In extreme cold conditions, such as -20°C in Harbin, the battery can charge from 20% to 97% in only 12 minutes [1]