Accelerated thermal cycling test of microencapsulated paraffin wax/polyaniline made by simple preparation method for solar thermal energy storage

Mahyar Silakhori, Mohammad Sajad Naghavi, Hendrik Simon Cornelis Metselaar, T.m. Indra Mahlia, Hadi Fauzi, Mohammad Mehrali

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Microencapsulated paraffin wax/polyaniline was prepared using a simple in situ polymerization technique, and its performance characteristics were investigated. Weight losses of samples were determined by Thermal Gravimetry Analysis (TGA). The microencapsulated samples with 23% and 49% paraffin showed less decomposition after 330 °C than with higher percentage of paraffin. These samples were then subjected to a thermal cycling test. Thermal properties of microencapsulated paraffin wax were evaluated by Differential Scanning Calorimeter (DSC). Structure stability and compatibility of core and coating materials were also tested by Fourier transform infrared spectrophotometer (FTIR), and the surface morphology of the samples are shown by Field Emission Scanning Electron Microscopy (FESEM). It has been found that the microencapsulated paraffin waxes show little change in the latent heat of fusion and melting temperature after one thousand thermal recycles. Besides, the chemical characteristics and structural profile remained constant after one thousand thermal cycling tests. Therefore, microencapsulated paraffin wax/polyaniline is a stable material that can be used for thermal energy storage systems.

Original languageEnglish
Pages (from-to)1608-1620
Number of pages13
JournalMaterials
Volume6
Issue number5
DOIs
Publication statusPublished - 14 Aug 2013

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Paraffin waxes
Thermal cycling
Polyaniline
Thermal energy
Energy storage
Paraffin
Paraffins
Infrared spectrophotometers
Gravimetric analysis
Latent heat
Calorimeters
Field emission
Surface morphology
Melting point
Fourier transforms
Fusion reactions
Thermodynamic properties
Polymerization
Decomposition
Scanning

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Silakhori, Mahyar ; Naghavi, Mohammad Sajad ; Metselaar, Hendrik Simon Cornelis ; Mahlia, T.m. Indra ; Fauzi, Hadi ; Mehrali, Mohammad. / Accelerated thermal cycling test of microencapsulated paraffin wax/polyaniline made by simple preparation method for solar thermal energy storage. In: Materials. 2013 ; Vol. 6, No. 5. pp. 1608-1620.
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Accelerated thermal cycling test of microencapsulated paraffin wax/polyaniline made by simple preparation method for solar thermal energy storage. / Silakhori, Mahyar; Naghavi, Mohammad Sajad; Metselaar, Hendrik Simon Cornelis; Mahlia, T.m. Indra; Fauzi, Hadi; Mehrali, Mohammad.

In: Materials, Vol. 6, No. 5, 14.08.2013, p. 1608-1620.

Research output: Contribution to journalArticle

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