锂离子电池容量衰减的原因分析

摘要

Li-ion battery is a second battery that now develops as quickly as Ni-Cd and Ni-MH battery did before,Its high energy density meets the requirement of power sources used for large transportation vehicles as well as for small electronic equipments. However, its application depends to a great extend on its cycle life. Factors that may cause capacity decrease of Li ion battery during cycling are discussed in this paper.%锂离子电池是继镉镍、氢镍电池之后发展最快的二次电池。它的高能特性既适合于用作高速发展的小型化电子产品的电源，也很有希望用作对环境无污染的大型动力工具的电源。锂离子电池的应用很大程度取决于其充放电循环的稳定性。本文分析了锂离子电池容量衰减的可能原因，期望对优质锂离子电池的研究与开发有一定的参考价值。