Thermal modeling of cylindrical lithium ion battery during discharge cycle

被引：293
作者：
Jeon, Dong Hyup [1 ]
Baek, Seung Man [1 ]
机构：
[1] Seoul Natl Univ, Sch Mech & Aerosp Engn, Seoul 151744, South Korea
来源：
ENERGY CONVERSION AND MANAGEMENT | 2011年 / 52卷 / 8-9期
关键词：
Li-ion battery; Cylindrical; Thermal behavior; Heat generation; FEA; SECONDARY BATTERIES; HEAT-GENERATION; POLYMER BATTERY; BEHAVIOR; CELLS; INTERCALATION; TEMPERATURE; SIMULATIONS; CATHODES; ANODES;
D O I：
10.1016/j.enconman.2011.04.013
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Transient and thermo-electric finite element analysis (FEA) of cylindrical lithium ion (Li-ion) battery was presented. The simplified model by adopting a cylindrical coordinate was employed. This model provides the thermal behavior of Li-ion battery during discharge cycle. The mathematical model solves conservation of energy considering heat generations due to both joule heating and entropy change. A LiCoO(2)/C battery at various discharge rates was investigated. The temperature profile from simulation had similar tendency with experiment. The temperature profile was decomposed with contributions of each heat sources and was presented at several discharge rates. It was found that the contribution of heat source due to joule heating was significant at a high discharge rate, whereas that due to entropy change was dominant at a low discharge rate. Also the effect of cooling condition and the LiNiCoMnO(2)/C battery were analyzed for the purpose of temperature reduction. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2973 / 2981
页数：9
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