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A multilayer electro-thermal model of pouch battery during normal discharge and internal short circuit process
Chen, Mingbiao1,2,3; Bai, Fanfei1,2,3,4; Song, Wenji1,2,3; Lv, Jie1,2,3; Lin, Shili1,2,3; Feng, Ziping1,2,3; Li, Yongliang5; Ding, Yulong5
2017-06-25
发表期刊APPLIED THERMAL ENGINEERING
卷号120页码:506-516
摘要As the electrical and thermal characteristic will affect the batteries' safety, performance, calendar life and capacity fading, an electro-thermal coupled model for pouch battery LiFePO4/C is developed in normal discharge and internal short circuit process. The battery is discretized into many cell elements which are united as a 2D network equivalent circuit. The electro-thermal model is solved with finite difference method. Non-uniformity of current distribution and temperature distribution is simulated and the result is validated with experiment data at various discharge rates. Comparison of the lumped model and the multilayer structure model shows that the temperature non-uniformity Phi of multilayer model is bigger than that of lumped model and shows more precise. The temperature non-uniformity is quantified and the reason of non-uniformity is analyzed. The electro-thermal model can also be used to guide the safety design of battery. The temperature of the ISC element near tabs is the highest because the equivalent resistance of the external circuit (not including the ISC element) is the smallest when the resistance of cell units is small. It is found that increasing the thermal conductivity of integrated layer can effectively relieve the heat spot effect of ISC. (C) 2017 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Lithium Ion Battery Electro-thermal Coupled Model Temperature Distribution Internal Short Circuit
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者National Natural Science Foundation of China(51477171 ; Guangdong Science and Technology Project for International Cooperation(2015B050501008) ; Guangzhou Science and Technology Project(201509010018) ; Youth Innovation Promotion Association of CAS(2013230) ; 5151101411) ; National Natural Science Foundation of China(51477171 ; Guangdong Science and Technology Project for International Cooperation(2015B050501008) ; Guangzhou Science and Technology Project(201509010018) ; Youth Innovation Promotion Association of CAS(2013230) ; 5151101411)
DOI10.1016/j.applthermaleng.2017.03.135
研究领域[WOS]Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics
关键词[WOS]LITHIUM-ION BATTERY ; ELECTROCHEMICAL-THERMAL MODEL ; LI-ION ; LIFEPO4 BATTERIES ; ELECTRIC VEHICLES ; CELLS ; SIMULATION ; BEHAVIOR ; CHARGE ; STATE
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(51477171 ; Guangdong Science and Technology Project for International Cooperation(2015B050501008) ; Guangzhou Science and Technology Project(201509010018) ; Youth Innovation Promotion Association of CAS(2013230) ; 5151101411) ; National Natural Science Foundation of China(51477171 ; Guangdong Science and Technology Project for International Cooperation(2015B050501008) ; Guangzhou Science and Technology Project(201509010018) ; Youth Innovation Promotion Association of CAS(2013230) ; 5151101411)
WOS类目Thermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
WOS记录号WOS:000401593000050
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/14118
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 10049, Peoples R China
5.Univ Birmingham, Sch Chem Engn, Birmingham B15 2TT, W Midlands, England
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Chen, Mingbiao,Bai, Fanfei,Song, Wenji,et al. A multilayer electro-thermal model of pouch battery during normal discharge and internal short circuit process[J]. APPLIED THERMAL ENGINEERING,2017,120:506-516.
APA Chen, Mingbiao.,Bai, Fanfei.,Song, Wenji.,Lv, Jie.,Lin, Shili.,...&Ding, Yulong.(2017).A multilayer electro-thermal model of pouch battery during normal discharge and internal short circuit process.APPLIED THERMAL ENGINEERING,120,506-516.
MLA Chen, Mingbiao,et al."A multilayer electro-thermal model of pouch battery during normal discharge and internal short circuit process".APPLIED THERMAL ENGINEERING 120(2017):506-516.
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