圆柱形锂离子电池热管理实验研究
收稿日期: 2016-06-14
修回日期: 2016-06-28
网络出版日期: 2016-08-30
基金资助
广东省自然科学基金–重大基础研究培育（2015A030308019）；
广东省新能源和可再生能源研究开发与应用重点实验室基金（Y607jg1001）；
广州市科技计划项目（2014J4100217）
Experimental Investigation on Thermal Management of Cylindrical Lithium-Ion Battery
Received date: 2016-06-14
Revised date: 2016-06-28
Online published: 2016-08-30
李志斌，岑继文彭 鹏，蒋方明 . 圆柱形锂离子电池热管理实验研究[J]. 新能源进展, 2016 , 4(4) : 305 -311 . DOI: 10.3969/j.issn.2095-560X.2016.04.007
It is necessary to implement effective thermal management strategies to keep the Li-ion batteries work at a desirable temperature or within a temperature range, and thus to guarantee its high efficiency, reliable safety and long lifetime. In this paper, a prismatic metal shell was designed for the cylindrical Li-ion batteries to enhance the heat dissipation and facilitate the heat exchange between neighboring batteries. Experiments were carried out to compare the temperature rise of a single battery or a small group of parallel-connected batteries with or without metal shells assembled under natural or forced air convective cooling conditions at various discharge rates. It was found that heat dissipation of the shelled battery (or small group) was improved greatly. In addition, batteries in a small parallel-connected group were designed to discharge at different rates to record the temperature variation. The result showed that the maximum temperature difference between shelled single cells could be reduced by more than 10oC under natural convection cooling condition.
Key words： lithium-ion battery; thermal management; metal shell; heat dissipation
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