动力锂电池均衡拓扑结构研究综述  

Review of Power Lithium Battery Equalization Topology Research

作　　者：刘睿 江艳 王海 Liu Rui;Jiang Yan;Wang Hai(School of Electronics and Electrical Engineering,Zhaoqing University,Zhaoqing 526061;School of Mechanical and Automotive Engineering,Zhaoqing University,Zhaoqing 526061)

机构地区：[1]肇庆学院电子与电气工程学院,肇庆526061 [2]肇庆学院机械与汽车工程学院,肇庆526061

出　　处：《汽车文摘》2025年第2期23-31,共9页Automotive Digest

基　　金：广东省基础与应用基础研究基金(2022A1515110775);广东省普通高校特色创新类项目(2023KTSCX154)。

摘　　要：为了满足系统性能需求,锂离子电池在实际使用中通常需要成组使用,但不同电池单体之间存在不一致性问题,如内阻、电压和自放电率的差异。这些差异会降低电池组的能量利用率、使用寿命,并可能危及电池系统的安全性,电池均衡技术是解决这一问题的有效手段。深入分析了电池均衡原理,并详细综述了常见的电池均衡电路拓扑结构。对电池均衡技术的发展现状进行了梳理,分析了现有电池均衡拓扑结构的优缺点。同时,研究了近年来涌现的新技术和解决方案。在分析目前电池均衡技术存在的难题的基础上,提出了未来研究发展的方向。In order to meet the system performance requirements,lithium-ion batteries usually need to be used in groups in practical use,but there are inconsistency problems between different battery monomers,such as internal resistance,voltage and self-discharge rate.These differences will reduce the energy utilization of the battery pack,service life,and may jeopardize the safety of the battery system.Equalization technology is an effective means to solve this problem.The principle of equalization is analyzed in depth,and common topologies of equalization circuits are introduced in detail.The development status of equalization technology is sorted out,and the advantages and disadvantages of existing equalization topologies are analyzed.At the same time,the new technologies and solutions ememerging in recent years are studied.On the basis of analyzing the difficulties existing in the current equalization technology,the direction of future research and development is proposed.

关 键 词：锂离子电池 不一致性 均衡技术 均衡拓扑结构 

分 类 号：TM912[电气工程—电力电子与电力传动]