基于电化学理论的动力电池充放电技术研究  

Research on Charge and Discharge Technology of Power Battery Based on Electrochemical Theory

作　　者：崔可旺 戴冬冰[1] 冯冬梅[1] 韩淼 CUI Kewang;DAI Dongbing;FENG Dongmei;HAN Miao(Tianshi College,Tianjin 301700,China)

机构地区：[1]天津天狮学院,天津301700

出　　处：《现代信息科技》2020年第18期51-53,57,共4页Modern Information Technology

基　　金：天津天狮学院校级自然科学研究项目(K16003)。

摘　　要：随着人们逐渐增强的环保意识,动力电池的应用越来越广泛,其充放电技术的研究也日趋重要。文章介绍以Multisim为开发平台,基于电化学理论的动力电池充放电的研究,包括改进的充放电电路拓扑结构,采用脉宽调制变换器技术作为恒流恒压基本功能模块、采用电源并联均流技术和大功率器件闭环均流技术实现动力电池的大功率充放电,综合三种技术的优点,研制出大功率、高精度恒流源。实际测试结果表明,在完整的充电过程中误差均小于0.1%。With the increasing awareness of environmental protection,the application of power battery is more and more extensive,and its charging and discharging technology is becoming more and more important.The article introduces a kind of Multisim as development platform,based on the research of the theory of electrochemical power battery charging and discharging,mainly includes the improvement of charge and discharge circuit topology,using pulse width modulation converter technology as the basic function module of constant current and constant voltage,using power supply parallel current sharing technology and high-power device closed-loop current sharing technology to achieve high-power charging and discharging of power batteries,combining the advantages of the three technologies to develop high-power,high-precision constant current source.The actual test results show that the error in the whole charging process is less than 0.1%.

关 键 词：电路拓扑结构 恒流源 脉宽调制变换器 

分 类 号：TM912[电气工程—电力电子与电力传动]