Tesla has quietly reintroduced the 4680 battery into certain Model Y models, signaling a significant under-the-radar technological upgrade. The 4680 battery, a self-developed large-format cylindrical cell by Tesla, offers approximately 5 times the energy capacity, 6 times the power output, and around 16% increased range compared to the previous 2170 battery. Featuring an innovative tabless design, it reduces internal resistance and simplifies thermal management, while its dry electrode manufacturing process enhances production efficiency and cost-effectiveness. The 4680-equipped Model Y is currently being delivered primarily in North America without large-scale publicity, suggesting a phased rollout likely aimed at testing production scalability. This move reflects Tesla’s ongoing commitment to battery innovation and lays the groundwork for broader adoption of the new technology, which aims to reduce costs and improve vehicle performance in the long term.
特斯拉近期将4680电池重新应用于部分Model Y车型，标志着这一重要技术升级的悄然回归。4680电池是特斯拉自主研发的大尺寸圆柱电池，相比此前采用的2170电池，其容量提升约5倍、输出功率提高6倍，并支持整车续航里程增加约16%。通过创新性的无极耳设计，4680电池大幅降低内阻，减少了热管理难度，同时采用干电极工艺提升生产效率并降低成本。本次搭载4680电池的Model Y主要面向北美市场交付，暂未大规模公开宣传，可能仍处于产能爬坡的测试阶段。这一动作既体现了特斯拉持续推进电池技术迭代的战略决心，也为未来全面普及新电池技术、进一步控制生产成本和提升车辆性能奠定了基础。
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