鑫椤锂电·2025-05-28 07:52Core Viewpoint - BYD's blade battery and fast-charging blade battery have successfully passed the latest national standard GB 3803-2025 safety tests ahead of schedule, receiving certification from the China Automotive Research Center [2]. Group 1: New National Standard - The new national standard was released on March 28, 2025, and will be implemented on July 1, 2026 [4]. - Significant upgrades have been made compared to the previous version, including a change in the thermal diffusion test standard from "5-minute warning before fire or explosion" to "batteries must ensure no fire, no explosion, and non-toxic smoke" [4]. - A new bottom impact test has been added, requiring batteries to show no leakage, no shell rupture, and to meet insulation requirements after bottom impact [5].