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

doi:10.3969/j.issn.1674-8484.2011.02.012

Journal of Automotive Safety and Energy ›› 2011, Vol. 2 ›› Issue (2): 181-184.DOI: 10.3969/j.issn.1674-8484.2011.02.012

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 E-mail:roseyyun@163.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）

Abstract

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

CLC Number:

TM 911

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

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