XIAOMI(HK:01810) Sou Hu Cai Jing·2025-11-16 07:45Core Viewpoint - Lei Jun, the founder of Xiaomi, emphasizes the importance of safety in the design of Xiaomi's automotive products, particularly the SU7 model, countering claims that aesthetics are prioritized over safety [1][4][5]. Group 1: Safety Standards - The Xiaomi SU7 is designed according to the strictest safety standards, including the 2024 version of C-NCAP five-star rating, the 2023 version of Euro NCAP five-star rating, and C-IASI 3G+ as the design baseline [5]. - The vehicle incorporates four layers of protection: passive safety, active safety, battery safety, and privacy safety [5]. Group 2: Structural Integrity - The SU7 features a MI armor cage structure made of a steel-aluminum hybrid body, with high-strength steel and aluminum alloy making up 90.1% of the vehicle, achieving a maximum strength of 2000 MPa [5]. - The torsional rigidity of the entire vehicle reaches 51,000 N·m/deg, indicating a robust structural design [5]. Group 3: Battery Safety Innovations - Xiaomi has developed its own battery pack factory, implementing 14 layers of physical protection, 17 layers of high-voltage insulation, and dual large-area active cooling with a water cooling area of 7.8 square meters [7]. - The battery pack features an industry-first cell inversion technology to ensure that during thermal runaway, the spray direction is away from the passenger compartment, achieving no open flames and no thermal propagation [7]. - The battery pack has passed IP6K9K sealing tests and has undergone over 1,000 safety tests, with the number of projects being 20 times that of national standards [7].