Carbon nanotube/paraffin/montmorillonite composite phase change material for thermal energy storage
| Autor: | Steven Nutt, Qiangang Guo, Min Li |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Nanotube
Materials science 020209 energy Composite number 02 engineering and technology Carbon nanotube Article law.invention chemistry.chemical_compound Differential scanning calorimetry Thermal conductivity Materials Science(all) law Phase (matter) 0202 electrical engineering electronic engineering information engineering General Materials Science skin and connective tissue diseases Renewable Energy Sustainability and the Environment Phase-change material Montmorillonite surgical procedures operative chemistry Chemical engineering Paraffin Thermal property Phase change material |
| Zdroj: | Solar Energy (Phoenix, Ariz.) |
| ISSN: | 0038-092X |
| Popis: | Highlights • OMMT/paraffin composite PCM were prepared. • OMMT/paraffin/grafted MWNT composite phase change material. • Paraffin is intercalated into the interlayer of OMMT. • OMMT/paraffin/grafted MWNT has stable thermal properties. • OMMT/paraffin/grafted MWNT has a better heat storage prosperity. 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. |
| Databáze: | OpenAIRE |
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