小米汽车回应为何做24小时耐力挑战：对三电性能极限考验_老虎社区_美港股上老虎

小米汽车回应为何做24小时耐力挑战：对三电性能极限考验

快科技01-20

快科技1月20日消息，近日，小米用新一代SU7 Max测试车进行了24小时耐力挑战测试，达成了4264km的成绩。很多人疑惑，这种极限测试是否只是个噱头，没有任何实际意义？小米表示，24小时耐力挑战借鉴了勒芒24小时耐力赛，是指车辆在封闭的试车场高速环道上，以换人不换车的方式连续超高速行驶，同时充电所消耗的时间，也包含在24小时内，并最终统计车辆所能达到的行驶里程。这样的挑战相当于“用百米冲刺的...

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Max测试车进行了24小时耐力挑战测试，达成了4264km的成绩。很多人疑惑，这种极限测试是否只是个噱头，没有任何实际意义？小米表示，24小时耐力挑战借鉴了勒芒24小时耐力赛，是指车辆在封闭的试车场高速环道上，以换人不换车的方式连续超高速行驶，同时充电所消耗的时间，也包含在24小时内，并最终统计车辆所能达到的行驶里程。这样的挑战相当于“用百米冲刺的速度跑完马拉松”，对车辆在电机，电池，热管理等各方面技术能力都提出了巨大挑战，核心包括：-电驱系统能否持续保持超高速行驶的同时兼顾较低电耗；-动力电池能否持续确保充放电功率和效率；-散热系统能否保障极端工况下的温度控制；-车身空气动力学设计能否将风阻对其能耗的影响降到最低等。通过远超日常工况的高强度考验，来验证整车的性能、续航、能耗和可靠性等综合能力，从而在未来量产时，向用户交付更强性能、更长续航以及更可靠的用车体验。该挑战的严苛程度远超日常用车工况，是目前可以综合验证电车三电性能和极致续航最极限的场景之一。要想在24小时耐力挑战中取得好成绩，需要车辆具备充放电、散热以及行驶效率等全方位技术能力，其中三电技术与性能至关重要。要同时做到：更快的行驶时速、更低的电量消耗、更少的充电次数、更短的充电耗时以及更好的散热控温能力。本次24小时耐力挑战是于2025年11月20日22:10至11月21日22:10，在中汽中心盐城汽车试验场进行的（测试时的温度为0-15°C）。一辆新一代SU7 Max测试车，以换人不换车的形式，以240km/h的超高速度在该试验场的高速环道上连续行驶24个小时（包含充电时间）。整个挑战中，这辆新一代SU7 Max测试车一共充电44次，每次充电仅耗时8-10分钟左右，最终取得了4264km的优异成绩。在整个过程中，最高转速22000rpm的小米超级电机V6s 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