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化工新型材料  2018, Vol. 46 Issue (8): 89-92    
  新材料与新技术 本期目录 | 过刊浏览 | 高级检索 |
铝蜂窝增强膨胀石墨/石蜡复合材料的制备和性能研究
李敬会1, 姜贵文2*, 黄菊花1
1.南昌大学机电工程学院,南昌330031;
2.上饶师范学院物电学院,上饶330041
Preparation and property of aluminum honeycomb-enhanced expanded graphite/paraffin wax composite material
Li Jinghui1, Jiang Guiwen2, Huang Juhua1
1.Department of Materials Forming & controlling Engineering,Nanchang University, Nanchang 330031;
2.School of Physics and Electronic Information,Shangrao Normal College,Shangrao 330041
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摘要 以石蜡(PW)为相变材料、膨胀石墨(EG)为导热增强剂和定形材料、铝蜂窝为导热和结构强度增强材料,制备了铝蜂窝增强EG/PW复合材料板。通过X射线衍射仪、红外光谱和差示量热等手段分析了铝蜂窝增强EG/PW复合材料的物相、化学结构和相变行为,测试了导热系数,并对比了PW和铝蜂窝增强EG/PW复合材料对动力锂电池的控温散热效果。结果表明:EG与PW之间未发生化学反应,EG/PW复合材料的相变潜热略低于理论计算值,过冷度变小;其导热系数随EG含量的增加而增大;与PW相比,铝蜂窝增强EG/PW复合材料对动力锂电池具有良好的控温散热效果。
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李敬会
姜贵文
黄菊花
关键词:  膨胀石墨/石蜡复合材料  铝蜂窝  导热系数  抗压强度  控温性能    
Abstract: A new kind of aluminum honeycomb-enhanced expanded graphite (EG)/paraffin wax (PW) composite material was prepared for Li-ion battery thermal management,in which PW was chosen as phase change material,EG as the promoter of thermal conductivity and shape-stabilized material,and aluminum honeycomb as the material-enhanced in terms of thermal conductivity and structural strength.The phase and chemical structure,and phase transition behavior of EG/PW were analyzed by XRD,FT-IR and DSC.The thermal conductivity and structural strengthen of composite were measured.The effect of EG/PW on controlling temperature rising of Li-ion battery was investigated.The results showed that:there was no chemical reaction between EG and PW.The phase change latent heat of EG/PW was a little lower than the calculated value based on the mass fraction of PW,and its super-cooling was also decreased in comparison with that of PW.The thermal conductivity of EG/PCM increased with an increase in EG content.Compared to PW,EG/PW composite exhibited outstanding temperature-controlling performance for Li-ion battery.
Key words:  EG/PW composite    aluminum honeycomb    thermal conductivity    structural strengthen    temperature-controlling performance
收稿日期:  2017-03-31                     发布日期:  2018-09-18      期的出版日期:  2018-08-20
基金资助: 江西省教育厅科技项目(KJJ170930);国家自然科学基金(51762034)
通讯作者:  姜贵文(1978-),男,博士研究生,主要研究方向为复合相变材料及电池热管理。   
作者简介:  李敬会(1990-),女,主要从事新能源汽车电池热管方面的研究。
引用本文:    
李敬会, 姜贵文, 黄菊花. 铝蜂窝增强膨胀石墨/石蜡复合材料的制备和性能研究[J]. 化工新型材料, 2018, 46(8): 89-92.
Li Jinghui, Jiang Guiwen, Huang Juhua. Preparation and property of aluminum honeycomb-enhanced expanded graphite/paraffin wax composite material. New Chemical Materials, 2018, 46(8): 89-92.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2018/V46/I8/89
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