锂离子电池失效机理综述  

Review on Failure Mechanism of Lithium-ion Battery

作　　者：李佩泫 张丽霞 冯武彤 洪俊 吴晓飞 LI Peixuan;ZHANG Lixia;FENG Wutong;HONG Jun;WU Xiaofei(Xi’an XD Power Systems Co.,Ltd.,Xi’an 710077,China;Xi’an XD Digital Technology Co.,Ltd.,Xi’an 710077,China)

机构地区：[1]西安西电电力系统有限公司,西安710077 [2]西安西电数字科技有限公司,西安710077

出　　处：《电力电容器与无功补偿》2025年第2期153-159,共7页Power Capacitor & Reactive Power Compensation

摘　　要：锂离子电池作为一种重要的能量存储设备,在电力系统调节、可再生能源利用以及电动交通等领域具有关键地位。针对在长期使用过程中,锂离子电池可能会出现各种失效现象,导致性能下降、寿命缩短,并具有潜在引发安全隐患的问题。本文综合评述了锂离子电池常见的失效形式及其对应的失效机理,包括结构损伤、电解质降解以及热失控等方面。对未来优化锂离子电池性能进行展望,旨在为储能锂电池失效分析技术的进一步发展提供积极推动。Lithium-ion battery,as a kind of important energy storage device,plays a crucial role in such fields as power system regulation,utilization of renewable energy and electric transportation.In view of such problems of the lithium-ion battery as various failure phenomena,leading to performance degradation,shortened lifespan,and potential safety hazards during the long term application period,in this paper the common failure mode and its corresponding failure mechanism of the lithium-ion battery,including the aspects of including structural damage,electrolyte degradation,and thermal runaway,is comprehensively described.The performance optimization of the lithium-ion battery in the future is forecasted,aiming to provide positive impetus for the further development of failure analysis technology for energy storage lithium-ion battery.

关 键 词：锂离子电池 容量衰减 失效形式 失效机理 失效分析 

分 类 号：TM912[电气工程—电力电子与电力传动]