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圆柱形锂离子电池模组微通道液冷热模型
Authors
曹文炅
董缇
蒋方明
赵春荣
Publication date
1 January 2017
Publisher
Abstract
针对电动汽车电堆的热管理系统,建立了包含71节18650型锂离子电池的电池模组的微通道液冷热模型。该模型集总处理单电池热过程、电池生热基于实测结果,模型还特别考虑了电池间导热。基于该模型,模拟研究了放电倍率、冷却液入口流速、电池间接触面积以及电池与水冷管外壁接触面积对电池模组热行为的影响。模拟结果证实了该微通道液冷方案对动力电池模组热管理的有效性,并且发现:放电倍率的增加会使电池模组内单电池温度增加、模组内温度一致性变差;增大冷却液流量可以显著降低电池模组的温度,并改善其温度一致性;增大电池间接触面积可略微提升电池模组温度一致性,但对控制其最高温度作用有限;增大电池与液冷管外壁接触面积可显著降低电池模组内电池的最高温度,但会使其温度一致性变差
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Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
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oai:ir.giec.ac.cn:344007/31432
Last time updated on 04/12/2021
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.giec.ac.cn:344007/18792
Last time updated on 05/12/2019