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Investigation on dynamic equalisation performance of lithium battery pack management
Lv, Jie1; Song, Wenji1; Lin, Shili1; Feng, Ziping1; Ding, Yulong2; Li, Yongliang2
2017-07-01
发表期刊IET CIRCUITS DEVICES & SYSTEMS
卷号11期号:4页码:388-394
摘要Lithium batteries must be connected in series to achieve large capacity and high-power output. Battery management system (BMS), which is designed to protect battery pack from damage and increase battery life, is important in electrical power system. The present equalisation techniques have many disadvantages: The passive balancing wastes energy and generates heat, while active balancing is complex. This study proposes an intelligent BMS with dynamic equalisation (DBMS) which contains active and passive balancing circuit independently per cell. Experimental results indicate that DBMS can reduce the inconsistency among cells. Moreover, the DBMS can assist battery stack to store and release more energy. Besides, the battery stack with DBMS gives an energy efficiency of 96.5% which is 7.7% higher than that without balancing. In addition, the battery stack with DBMS can reduce the maximum state of charge difference of cells from 10.415% to 4.51% after three charge-discharge cycles. What is more, the DBMS is simple and can decrease the auxiliary power level and the system heat. Such a DBMS will help us to provide a high-performance battery pack.
文章类型Article
关键词Lithium Primary Cells Battery Management Systems Energy Conservation Li Efficiency 96 5 Percent Auxiliary Power Level Charge-discharge Cycles Energy Efficiency Battery Stack Passive Balancing Circuit Active Balancing Circuit Heat Generation Passive Balancing Wastes Energy Electrical Power System Battery Life Battery Management System Dynamic Equalisation Performance Lithium Battery Pack Management
WOS标题词Science & Technology ; Technology
资助者National Natural Science Foundation of China(51477171) ; Science and Technology Project of Guangdong Province(2014B010128001 ; Key Laboratory Foundation of Renewable Energy, Chinese Academy of Sciences(Y607j31001) ; 2015B050501008) ; National Natural Science Foundation of China(51477171) ; Science and Technology Project of Guangdong Province(2014B010128001 ; Key Laboratory Foundation of Renewable Energy, Chinese Academy of Sciences(Y607j31001) ; 2015B050501008)
DOI10.1049/iet-cds.2016.0213
研究领域[WOS]Engineering
关键词[WOS]ION BATTERIES ; SYSTEM ; CONVERTER ; MODEL ; STATE ; SOC ; HEV
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(51477171) ; Science and Technology Project of Guangdong Province(2014B010128001 ; Key Laboratory Foundation of Renewable Energy, Chinese Academy of Sciences(Y607j31001) ; 2015B050501008) ; National Natural Science Foundation of China(51477171) ; Science and Technology Project of Guangdong Province(2014B010128001 ; Key Laboratory Foundation of Renewable Energy, Chinese Academy of Sciences(Y607j31001) ; 2015B050501008)
WOS类目Engineering, Electrical & Electronic
WOS记录号WOS:000409071800014
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/16295
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangdong Prov Key Lab New & Renewable Energy Res, CAS Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Birmingham, Sch Chem Engn, Birmingham B15 2TT, W Midlands, England
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GB/T 7714
Lv, Jie,Song, Wenji,Lin, Shili,et al. Investigation on dynamic equalisation performance of lithium battery pack management[J]. IET CIRCUITS DEVICES & SYSTEMS,2017,11(4):388-394.
APA Lv, Jie,Song, Wenji,Lin, Shili,Feng, Ziping,Ding, Yulong,&Li, Yongliang.(2017).Investigation on dynamic equalisation performance of lithium battery pack management.IET CIRCUITS DEVICES & SYSTEMS,11(4),388-394.
MLA Lv, Jie,et al."Investigation on dynamic equalisation performance of lithium battery pack management".IET CIRCUITS DEVICES & SYSTEMS 11.4(2017):388-394.
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