锂枝晶在金属锂动力电池中的应力分布与其对电池循环稳定性的影响评估

Stress Distribution of Lithium Dendrites in Metal Lithium Power Batteries and Evaluation of Their Impact on Battery Cycling Stability

本文探讨了锂枝晶在金属锂动力电池中的应力分布以及其对电池循环稳定性的影响。介绍了金属锂电池的重要性和锂枝晶的概念,详细讨论了锂枝晶对电池内部应力梯度和晶体内部应力的影响。探讨了材料特性和电池设计对锂枝晶应力分布的影响。评估了锂枝晶对电池循环稳定性的影响,包括容量损失、安全风险、电池性能退化和充电/放电效率下降。同时,文章也提出了技术改进和挑战,包括锂枝晶抑制技术的发展和实时监测与安全评估的重要性。

This article explores the stress distribution of lithium dendrites in metal lithium power batteries and their impact on battery cycling stability.The importance of metal lithium batteries and the concept of lithium dendrites were introduced,and the influence of lithium dendrites on the internal stress gradient of batteries and the internal stress of crystals was discussed in detail.The influence of material characteristics and battery design on the stress distribution of lithium dendrites was explored.The impact of lithium dendrites on battery cycling stability was evaluated,including capacity loss,safety risks,battery performance degradation,and a decrease in charging/discharging efficiency.At the same time,the article also proposes technological improvements and challenges,including the development of lithium dendrite suppression technology and the importance of real-time monitoring and safety assessment.