以下文章来源于青澄财经 ，作者方诗意 青澄财经 . 了解有价值财经资讯 文 ｜ 方诗意 编辑 ｜ 六子 来源｜ 青澄财经（ID：qccj_001） 封面来源 ｜ 理想汽车官网 一场没有剧烈碰撞的爆燃，将售价超50万、主打家庭安全的理想MEGA在10秒内迅速起火，最后烧成空壳，也瞬间点燃了新能源行业的"火药桶"。 事发后，买了MEGA的中产父母们纷纷开始晒出教自家小孩"电车逃生"的过程，引发大量讨论。 图源小红书 10月31日， 理想官方发布致歉，承认与事故车同批次的理想MEGA2024款车辆冷却液有缺陷，极端情况下会造成动力电池热失控。 而在这之前，电池安 全话题已经吵翻了天。 因为理想MEGA用的是号称突破了行业难题、以5C超快充为傲的麒麟三元锂电池，本身带有豪华光环，结果出现了这样一场"离奇"事故。磷酸铁锂和三元 电池的争论已经持续了很多年，本来已经形成了各自的应用矩阵。现在一场意外，又让消费者心里犯起了嘀咕。 一边是代表着极致性能、更长续航，却也伴随着更高风险的三元锂；另一边是象征着安全、普惠，却在性能上存在天然短板的磷酸铁锂。 顶级的产品在 常规场景下出意外，是不是意味着路线有问题？ 其实，争论双方谁 ...

Core Viewpoint - The incident involving the Ideal MEGA electric vehicle, which caught fire within 10 seconds, has sparked significant discussions about battery safety in the electric vehicle industry, particularly regarding the risks associated with high-performance lithium-ion batteries [1][2]. Group 1: Incident and Immediate Reactions - The Ideal MEGA fire incident has led to widespread concern among middle-class parents who purchased the vehicle, prompting discussions on "electric vehicle escape" for children [1]. - Following the incident, Ideal officially apologized and acknowledged a defect in the coolant of the MEGA 2024 model, which could lead to thermal runaway of the battery under extreme conditions [2]. Group 2: Battery Technology Debate - The incident has reignited the long-standing debate between the safety of lithium iron phosphate (LFP) batteries and the performance of ternary lithium batteries, with the former being seen as safer but less powerful [2][5]. - Ideal's MEGA uses the Kirin ternary lithium battery, which was previously marketed as having superior safety features, including a low failure rate and advanced battery management systems [3][5]. Group 3: Battery Characteristics and Safety - Ternary lithium batteries have lower thermal stability, with decomposition reactions potentially starting at around 200°C, while LFP batteries require much higher temperatures (500-800°C) to decompose, making LFP inherently safer [5]. - Experimental data shows that ternary lithium cells can reach peak temperatures of 400-600°C within 10 seconds during short-circuit tests, whereas LFP cells take about 2 minutes to reach 300°C, highlighting a critical safety difference [5]. Group 4: Market Dynamics and Battery Choices - The shift in the market dynamics began in 2016 when subsidies for electric vehicles were linked to battery energy density, favoring ternary lithium batteries, which led to a significant market share increase for them [8][10]. - However, by 2021, LFP batteries began to regain market share, surpassing 70% in 2023, driven by cost-effectiveness and the growing demand for affordable electric vehicles [10][11]. Group 5: Future of Battery Technologies - The future of battery technology may not be a straightforward choice between LFP and ternary lithium, as both have distinct advantages and are likely to coexist based on market demands [24]. - Ternary lithium batteries are seen as a key pathway to next-generation solid-state batteries, which promise improved safety and energy density, while also being suitable for high-performance applications like flying cars and robotics [22][24].