锂电池热管理中空气冷却效果的实验与模拟

doi:10.3969/j.issn.1674-8484.2011.02.012

汽车安全与节能学报 ›› 2011, Vol. 2 ›› Issue (2): 181-184.DOI: 10.3969/j.issn.1674-8484.2011.02.012

• • 上一篇

锂电池热管理中空气冷却效果的实验与模拟

张江云, 张国庆, 张磊, 饶中浩

广东工业大学材料与能源学院，广州 510006)

收稿日期:2010-12-29 出版日期:2011-07-11 发布日期:2011-07-11
通讯作者: 张国庆/ ZHANG Guoqing，教授。E-mail： pdzgq008@126.com
作者简介:张江云/ ZHANG Jiangyun（1986－） ,女（汉），河南，硕士。E-mail： roseyyun@163.com
基金资助:
广东省和教育部合作研究项目/ Research Cooperation Project of Guangdong Province and the Ministry of Education （2008B090500013）

Simulation and Experiment on Air-Cooled Thermal Energy Management of Lithium-Ion Power Batteries

ZHANG Jiangyun, ZHANG Guoqing*, ZHANG Lei, RAO Zhonghao

Faculty of Material and Energy, Guangdong University of Technology, Guangzhou 510006, China

Received:2010-12-29 Online:2011-07-11 Published:2011-07-11
Contact: 张国庆/ ZHANG Guoqing，教授。E-mail： pdzgq008@126.com
About author:张江云/ ZHANG Jiangyun（1986－） ,女（汉），河南，硕士。E-mail： roseyyun@163.com
Supported by:
广东省和教育部合作研究项目/ Research Cooperation Project of Guangdong Province and the Ministry of Education （2008B090500013）

摘要/Abstract

摘要： 把空冷方法用于商业磷酸铁锂电池以分析强化传热效果。对商用磷酸铁锂电池进行15～35?A的放电测试，并根据实验数据对单一电池的温度分布进行了数值模拟。分析和模拟了空气横掠2个和3个电池情况下的冷却效果。实验和模拟的结果表明：在0～30?A电流放电的情况下，空气冷却对电池热管理具有积极作用。在放电电流小于30?A 的情况下时，电池的最大温度低于50?℃，但是电池间的温差仍然高于5?℃。在放电电流大于30?A 的情况，仅仅通过空气冷却不能使电池和电池组内温度均匀分布，即不能满足电池散热的需求。

关键词: 动力电池, 锂电池, 空气冷却, 热管理

Abstract: The air-cooled methods were used for cooling commercial LiFePO4 batteries to illustrate the effect of heat transfer enhancement. The commercial LiFePO4 batteries were tested at 15-35 A. The temperature distribution in a single battery was numerical ly simulated according to the experiment al data. Air flow across two and three batteries was simulated to illustrate the air-cooled effect. Experiment al and simulation results show that air-coola has a positive significance for the battery thermal management at discharging currents of 0-30 A. For discharging currents less than 30 A, the peak temperature in batteries is less than 50 ℃, while the temperature difference between batteries is still more than 5 ℃. When the discharging current is higher than 30 A, air-cooling for batteries and battery packs can not guarantee evenly temperature distribution, not being able to meet the regui re ment of batteriy heat dissipation.

Key words: power batteries, lithium-ion batteries, air-cooled, thermal management

中图分类号:

TM 911

张江云, 张国庆, 张磊, 饶中浩. 锂电池热管理中空气冷却效果的实验与模拟[J]. 汽车安全与节能学报, 2011, 2(2): 181-184.

ZHANG Jiangyun, ZHANG Guoqing, ZHANG Lei, RAO Zhonghao. Simulation and Experiment on Air-Cooled Thermal Energy Management of Lithium-Ion Power Batteries[J]. Journal of Automotive Safety and Energy, 2011, 2(2): 181-184.

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锂电池热管理中空气冷却效果的实验与模拟

Simulation and Experiment on Air-Cooled Thermal Energy Management of Lithium-Ion Power Batteries

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