Safety boundary of power battery based on quantitative lithium deposition,Journal of Energy Storage

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Safety boundary of power battery based on quantitative lithium deposition
Journal of Energy Storage ( IF 8.9 ) Pub Date : 2022-05-07 , DOI: 10.1016/j.est.2022.104789
Hang Li ₁ , Weijie Ji ₁ , Peng Zhang ₂ , Jinbao Zhao ₁

Affiliation

There are not perfect ways to solve the lithium metal deposition of the lithium-ion battery during the fast-charging process currently. Moreover, the safety problems caused by lithium deposition are also unfixed. The safety boundary will be a practical guide for battery usage. In this research, batteries designed with different capacities are charged to achieve different lithium deposition and establish prediction data for battery safety boundaries based on the safety performance of the batteries. The quantitative method of lithium deposition combined with the safe behavior of the battery provides an important reference method for the design of fast charging of the battery. What's more excited is that our approach is expanded to provide experience for the manufacturers in battery safety design that can meet the different fast charging rate requirements. The safety boundaries can achieve the best battery safety performance while saving the materials consumed in manufacture from the root.

中文翻译：

基于定量锂沉积的动力电池安全边界

目前还没有完善的方法来解决锂离子电池在快充过程中的锂金属沉积问题。此外，由锂沉积引起的安全问题也尚未解决。安全边界将成为电池使用的实用指南。本研究对不同容量设计的电池进行充电，以实现不同的锂沉积，并根据电池的安全性能建立电池安全边界的预测数据。锂沉积的定量方法结合电池的安全行为，为电池的快速充电设计提供了重要的参考方法。更令人兴奋的是，我们的方法得到了扩展，可以为制造商提供满足不同快速充电速率要求的电池安全设计经验。安全边界可以实现最佳的电池安全性能，同时从根源上节省制造中消耗的材料。

更新日期：2022-05-07

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