Author(s): , , , ,

Keywords: , , , , , , , , ,

Abstract: Through the addition of graphite powder (GP) and expanded graphite (EG) the authors were able to increase the thermal conductivity of a shape-stabilized paraffin/high density polyethylene (HDPE) composite phase change material (PCM). GP and EG were added in different mass fractions and a Hot Disk Thermal Constants Analyzer was used in order to measure the thermal conductivity. The relationship between mass fractions of GP and EG added were found to have an almost linear relationship with thermal conductivity. SEM and DSC were used for additional characterization. The thermal conductivity of the PCM were improved up to fourfold by the addition of expanded graphite.

Reference: Solar Energy Materials and Solar Cells, 94, 10 (2010) 1636-1642

DOI: 10.1016/j.solmat.2010.05.020