膨胀石墨/石蜡复合材料的制备及其在动力电池热管理系统中的散热特性
收稿日期: 2014-04-13
修回日期: 2014-06-16
网络出版日期: 2014-06-30
Preparation of Expanded Graphite/Paraffin Composite Materials and Their Heat Dissipation Characteristics in Power Battery Thermal Management System
Received date: 2014-04-13
Revised date: 2014-06-16
Online published: 2014-06-30
刘臣臻 , 张国庆 , 王子缘 , 吴伟雄 , 苏 攀 . 膨胀石墨/石蜡复合材料的制备及其在动力电池热管理系统中的散热特性[J]. 新能源进展, 2014 , 2(3) : 233 -238 . DOI: 10.3969/j.issn.2095-560X.2014.03.012
In this paper, paraffin and expanded graphite were compounded and pressed into a plate (EG/PCM composite material) in order to improve the thermal conductivity and avoid the fluidity of paraffin. The thermal conductivity and latent heat of EG/PCM were tested by LFA and DSC, respectively, and its microstructure was observed by a scanning electron microscope (SEM). EG/PCM was applied to battery thermal management system. Single cells and battery modules were cooled by air and EG/PM, respectively. Their discharge behavior under 1.0 C and 1.5 C discharge rate were investigated and their temperature change during discharging process was recorded by a temperature logging devices. The cooling effects of these two cooling methods were compared.
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