锂离子电池充放电特性的研究  

The Charge/Discharge Characteristics of the Li-ion Battery

作　　者：张庆[1] 李革臣[1] 

机构地区：[1]哈尔滨理工大学自动化学院,黑龙江哈尔滨150080

出　　处：《自动化技术与应用》2008年第12期107-109,共3页Techniques of Automation and Applications

摘　　要：本文通过对电池充放电曲线以及相关数据的分析,我们得出了锂离子电池充电后期恒压充电阶段所充入的容量所占总容量的比例很小,而且所用时间相对较长,充电效率很低的结论,所以应在编程表中对恒压充电阶段的充电时间进行限制;通过对电池不同SOC(电池荷电状态)所对应的交流内阻的测量可知,电池的交流内阻随电池荷电状态的增大而增大的结论。Based on the charge/discharge curve and the corresponding data, this paper shows that the charged capacity during the last stage of the charging process is very limited, and the time is much longer, therefore, the operator should limit the time of constant voltage charging process in the programming table. It also indicates that the AC impedance is increased with the increase of battery＇s state of charge.

关 键 词：锂离子电池 充放电特性 SOC(电池荷电状态) 容量 

分 类 号：TP29[自动化与计算机技术—检测技术与自动化装置]