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Author Spotlight: Advancing Energy Solutions Using Nanocomposites as Processed Thermoelectric Materials
Published on: May 17, 2024
Carbon nanotube/paraffin/montmorillonite composite phase change material for thermal energy storage
Min Li1,2, Qiangang Guo1, Steven Nutt3
1Jiangsu Key Laboratory for Construction Materials, Southeast University, Nanjing 211189, China.
Abstract:
A composite phase change material (PCM) comprised of organic montmorillonite (OMMT)/paraffin/grafted multi-walled nanotube (MWNT) is synthesized via ultrasonic dispersion and liquid intercalation. The microstructure of the composite PCM has been characterized to determine the phase distribution, and thermal properties (latent heat and thermal conductivity) have been measured by differential scanning calorimetry (DSC) and a thermal constant analyzer. The results show that paraffin molecules are intercalated in the montmorillonite layers and the grafted MWNTs are dispersed in the montmorillonite layers. The latent heat is 47.1 J/g, and the thermal conductivity of the OMMT/paraffin/grafted MWNT composites is 34% higher than that of the OMMT/paraffin composites and 65% higher than that of paraffin.
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