At a critical temperature, active materials within Li‐ion batteries break down, generating heat and gas. Thermal runaway occurs when this process accelerates after the temperature of the cell begins to rise, leading to hazardous failure mechanisms such as the cell bursting. In article number 1700369, Paul R. Shearing and co‐workers use high‐speed X‐ray imaging to capture and characterize such high risk mechanisms in commercial cell designs.

中文翻译：

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热失控：确定热失控期间锂离子电池破裂的原因（Adv。Sci。1/2018）

在临界温度下，锂离子电池中的活性物质会分解，并产生热量和气体。当电池温度开始升高后，此过程加速时，就会发生热失控，从而导致危险的故障机制，例如电池爆炸。Paul R. Shearing和同事在文章1700369中使用高速X射线成像技术来捕获和表征商业电池设计中的此类高风险机制。