雷军详解新一代小米SU7安全升级：配备2200兆帕钢材，门把手提前满足新国标

凤凰网科技03-19

凤凰网科技讯 3月19日小米汽车今日公布新一代SU7在碰撞、电池及车门设计等核心安全领域的全面技术升级数据。该车型在车身结构上进行了大幅强化，高强钢与铝合金占比达到90.3%。针对被动安全，新一代小米SU7在关键部位升级了2200兆帕超强钢。其内嵌式防滚架覆盖A柱至C柱区域。同时，全车四门防撞梁升级至2200兆帕规格，承载能力提升39%。车内防护方面，新车全系标配9个安全气囊，并新增后排双侧气囊...

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小米汽车今日公布新一代SU7在碰撞、电池及车门设计等核心安全领域的全面技术升级数据。该车型在车身结构上进行了大幅强化，高强钢与铝合金占比达到90.3%。针对被动安全，新一代小米SU7在关键部位升级了2200兆帕超强钢。其内嵌式防滚架覆盖A柱至C柱区域。同时，全车四门防撞梁升级至2200兆帕规格，承载能力提升39%。车内防护方面，新车全系标配9个安全气囊，并新增后排双侧气囊。在测试执行上，小米同时采用男女假人进行全席位、全工况测试，并完成了时速60公里（相对时速120公里）的50%偏置正面碰撞极限测试，测试碰撞能量达到标准工况的1.44倍。在动力电池安全管控上，小米依托自建电池包工厂加强制造技术掌握与质量协同。电池包具备17层高压绝缘防护，满足55度满电状态下单电芯热失控不扩散、不起火、不爆炸的标准。底部物理防护新增1500兆帕防刮横梁及防弹涂层，以抵御碎石刮擦风险。此外，小米完成了高达1230项电池安全测试，并对三元锂电池包在55度高温满电状态下进行了针刺实验。针对极端工况下的逃生设计，新一代SU7的门把手提前100%符合将于2027年实施的新国标。车辆不仅配备车外机械拉手和车内四门应急机械拉手，还搭载了具备三重冗余备份的三套电源系统 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