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Alternative TitleThermal modeling of cylindrical lithium-ion battery module with micro-channel liquid cooling
赵春荣1,2; 曹文炅1; 董缇1,2; 蒋方明1
Source Publication化工学报
Other AbstractConsidering the micro-channel liquid cooling thermal management system (TMS) of EV battery packs, a thermal model was established for a battery module consisting of 71 sections 18650 lithium-ion batteries. In this model, the thermal-lumped treatment was implemented for each single battery and the heat generation of a single battery was determined based on experimental measurements. In particular, heat conduction between neighboring batteries was considered. The battery module's thermal behavior, and investigated effects of the discharge C-rate, the liquid flow rate, the heat exchange area between neighboring batteries, and the interfacing area of the battery and the shell of micro-channel were numerically studied relying on the developed model. The simulated results corroborated the effectiveness of the micro-channel cooling system. It was found that: 1) increasing the discharge C-rate led to higher temperature and worsened the temperature uniformity in the battery module; 2) increasing the liquid flow rate can significantly lower the maximum temperature and improve the temperature uniformity in the battery module; 3) increasing the exchange area between neighboring batteries slightly improved the temperature uniformity in the battery module, but only had limited effect at lowering the maximum temperature in the module; 4) increasing the interfacing area of the battery and the shell of micro-channel can significantly lower the maximum temperature in the battery module, but worsen the temperature uniformity in the module.
Keyword锂离子电池 热模型 微通道 计算机模拟 传热 lithium-ion battery thermal model microchannels computer simulation heat transfer
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Document Type期刊论文
Corresponding Author蒋方明
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
赵春荣,曹文炅,董缇,等. 圆柱形锂离子电池模组微通道液冷热模型[J]. 化工学报,2017,68(8):3232-3241.
APA 赵春荣,曹文炅,董缇,&蒋方明.(2017).圆柱形锂离子电池模组微通道液冷热模型.化工学报,68(8),3232-3241.
MLA 赵春荣,et al."圆柱形锂离子电池模组微通道液冷热模型".化工学报 68.8(2017):3232-3241.
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