锂离子电池循环寿命研究综述

Review on cycle life studies of lithium ion batteries

循环寿命是衡量锂离子电池的重要指标之一,其影响因素是多方面的。对近年来锂离子电池在循环寿命方面的研究进行综述,重点阐述了循环寿命的影响因素,包括电池材料的老化衰退、充放电制度、温度以及单体一致性等。另外,简单介绍了锂电池循环寿命的预测方法。

Cycle life is an important indicator of lithium ion batteries and the influence factors are various.In this paper,the researches on cycle life of lithium ion batteries were summarized in recent years,which focused on the influence factors of cycle life,including the ageing and degradation of cell materials,charge-discharge system,temperature and the conformity of cells.In addition,the prediction methods of the cycle life of lithium batteries were also introduced.