文献类型：期刊文献

英文题名：Thermal properties of paraffin based composites containing multi-walled carbon nanotubes

作者：Wang, Jifen[1,2];Xie, Huaqing[1];Xin, Zhong[2]

机构：[1]Shanghai Second Polytech Univ, Sch Urban Dev & Environm Engn, Shanghai 201209, Peoples R China;[2]E China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China

年份：2009

卷号：488

期号：1-2

起止页码：39

外文期刊名：THERMOCHIMICA ACTA

收录：;EI(收录号：20091311993623);WOS:【SCI-EXPANDED(收录号:WOS:000265477400007)】；

基金：This work was supported by National Science Foundation of China (50876058), Shanghai Educational Development Foundation and Shanghai Municipal Education Commission (07SG56), and Innovation Program of Shanghai Municipal Education Commission (08ZZ99).

语种：英文

外文关键词：Phase change material; Thermal properties; Paraffin wax; Carbon nanotube

摘要：Heat storage nanocomposites consisting of paraffin wax (PW) and multi-walled carbon nanotubes (MWNTs) have been prepared and their thermal properties have been investigated. Differential scanning calorimetric (DSC) results revealed that the melting point of a nanocomposite shifted to a lower temperature compared with the base material, with increasing the mass fraction of MWNTs, phi(w). With the addition of MWNTs, the latent heat capacity was reduced. The enhancement ratios in thermal conductivities of nanocomposites increase both in liquid state and in solid state with the increasing with phi(w) when compared to the pure PW For the composite with a mass fraction of 2.0%, the thermal conductivity enhancement ratios reach 35.0% and 40.0% in solid and in liquid states, respectively. (C) 2009 Elsevier B.V. All rights reserved.