锂离子动力电池特性研究

Study on the Characteristics of Li-Ion Batteries

为深入了解锂离子动力电池的充放电特性,评价其在电动汽车上的使用性能,通过不同条件下的试验对两种锂离子动力电池进行了全面性能测试.介绍了动力电池性能试验方法,基于试验数据绘制了锂离子动力电池不同使用工况下的充放电特性曲线,得到了电池的各项性能参数.分析了锂离子动力电池的工作特性以及充放电率、环境温度等因素对电池性能的影响,提出了锂离子动力电池的合理使用建议和在低温情况下的合理应用方案.

To study the characteristics of Li-ion battery and evaluate its usability on electric vehicles (EV), detailed examinations about the performance of Li-ion battery are carried out. On the base of these examinations the charging and discharging curves of Li-ion battery under different conditions are drawn, and various parameters are derived. Characteristics of Li-ion battery are analyzed, the influencing factors such as temperature and the charging and discharging rates are studied, and advises of guidance and operational suggestions for the battery in low temperature use are put forward.