Novel method for fabricating high thermal conductivity form-stable Phase Change Materials
Application of phase change materials(PCM)for thermal energy storage(TES)system is considered as one of the key methods of decreasing energy consumption within the built environment.However,the low thermal conductivities of PCMs tend to affect the associated heat transfer capabilities during charging and discharging processes thus limiting their full potentials.To this end,fabrication of PCMs with high thermal conductivity porous materials have been carried out by various researchers but have found the fabrication processes to be relatively complex and time consuming.This study was therefore based on a novel approach by vacuum drying paraffin-inwater emulsion to produce a high thermal conductivity form-stable PCM(GO-2).The GO-2 sample which was prepared with 0.1 wt%graphene-oxide(GO)as a surfactant and 10wt%carbon black as thermal conductivity enhancement material achieved energy storage capacity of 192 kJ/kg with a melting temperature of 23.60℃.The thermal stability temperature was increased by 34℃ whereas the thermal conductivity also increased as much as twice that of the paraffin.
form-stable phase change material graphene oxide paraffin thermal energy storage vacuum drying
Weiguang SU Jo DARKWA Yilin LI Yuexia LV
School of Mechanical & Automotive Engineering,Qilu University of Technology(Shandong Academy of Scie Faculty of Engineering,University of Nottingham,UK School of Environment and Architecture,University of Shanghai for Science and Technology,Shanghai,Ch
国际会议
武汉
英文
190-196
2018-08-21（万方平台首次上网日期，不代表论文的发表时间）