长安汽车发布首款钠电量产车，冬测验证智能安全与电池低温性能

Core Insights - Changan Automobile is conducting winter extreme testing in Inner Mongolia, showcasing multiple models from its brands, including Avita, Deep Blue, and Qiyuan, under extreme conditions [2] - The company has a long history of winter testing since 1998, accumulating over 58 million kilometers of testing mileage and over 4,000 vehicles [2] - Several models achieved industry records during the tests, including Avita 12 with a stable lane change speed of 92.3 km/h and Qiyuan A06 maintaining stability at 95 km/h during high-speed tire blowout tests [2] - Changan's "Tianshu Intelligent" technology system is central to these achievements, supported by significant investments in testing facilities [2] Technology and Safety Innovations - The world's first mass-produced passenger vehicle equipped with sodium-ion batteries has been developed in collaboration with CATL, featuring an energy density of 175 Wh/kg [3] - The sodium battery demonstrates superior performance in extreme cold, with discharge power nearly three times that of lithium iron phosphate batteries at -30°C and over 90% capacity retention at -40°C [3] - Changan's "New Safety" strategy is being implemented, transitioning safety from passive protection to active intelligent management [3] - The Tianshu Intelligent system aims to ensure comprehensive safety verification across all lifecycle and regional scenarios [3] Future Plans - Changan plans to launch over 50 new energy models by 2030, all equipped with the Tianshu Intelligent system [3] - The Avita 12 is set to participate in an 18-month polar verification mission in Antarctica, with further testing planned in various climates globally [3]