锂电池五阶段新型快速充电方法研究  

Research on a new fast charging method for lithium batteries in five phases

作　　者：李文华[1] 王炳龙 马源鸿 王立国 LI Wen-hua;WANG Bing-long;MA Yuan-hong;WANG Li-guo(School of Electrical Engineering,Hebei University of Technology,Tianjin 300130,China)

机构地区：[1]河北工业大学电气工程学院,天津300130

出　　处：《电源技术》2018年第6期759-761,845,共4页Chinese Journal of Power Sources

基　　金：创新计划-河北省高等学校创新团队领军人才培育计划(LJRC003)

摘　　要：介绍了锂电池快速充电的原理。为了实现锂电池的高效快速充电,在分析了充电过程中锂电池出现的极化现象的基础上,提出了一种五阶段快速充电方法。通过改变每个阶段脉冲的周期和脉冲的幅值,使锂电池的接受电流能力大小和充电效率达到最大,从而实现快速充电。利用MATLAB/Simulink对五阶段新型快速充电方法进行了仿真分析,结果表明和传统多阶段恒流方法及多阶段普通脉冲方法相比,五阶段新型快速充电明显减少了充电时间。The principle of fast charging of lithium batteries was introduced. In order to realize the fast charging of lithium batteries, this paper proposed a fast charging method based on the five phase, which was based on the analysis of the polarization phenomenon of lithium batteries in the charging process. By changing the pulse period and pulse amplitude of each stage, the capacity of lithium batteries to accept the current capacity and the charging efficiency can reach the maximum. A new fast charging method in five stages were simulated and analyzed by using MATLAB/Simulink. The results show that a new fast charging in five stages significantly reduce the charging time,compared with the traditional multi-stage constant current method and multi-stage normal pulsed method.

关 键 词：锂离子电池 去极化 间歇-正负脉冲 

分 类 号：TM912[电气工程—电力电子与电力传动]