Ageing-Aware Charging of Lithium-ion Batteries Using an Electrochemistry-Based Model with Capacity-Loss Side Reactions

Z. Khalik, H. Bergveld, M. Donkers
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引用次数: 2

Abstract

In this paper, we utilize a Doyle-Fuller-Newman (DFN) model including capacity-loss side reactions to present a model-based design method for multi-stage charging protocols. This design method allows making a trade-off between charging time and battery ageing in a more systematic way. The results are leveraged by a highly efficient implementation of the DFN model, that has a short computation time. We show that by obtaining the Pareto front that describes the optimal trade-off between charging time and battery ageing for a single cycle, the results can be extended to the lifetime of the battery. Finally we show that the negative electrode over-potential is not always a good indicator for ageing, and that ageing will occur even when the battery operates in over-potential regions that are considered to not lead to ageing.
基于容量损失副反应的电化学模型的锂离子电池老化感知充电
本文利用包含容量损失副反应的Doyle-Fuller-Newman (DFN)模型,提出了一种基于模型的多级充电协议设计方法。这种设计方法允许以更系统的方式在充电时间和电池老化之间进行权衡。结果利用了DFN模型的高效实现,具有较短的计算时间。我们表明,通过获得描述单个循环充电时间和电池老化之间的最佳权衡的帕累托前,结果可以扩展到电池的寿命。最后,我们表明,负极过电位并不总是老化的良好指标,即使电池在被认为不会导致老化的过电位区域运行,也会发生老化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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