Thermal performance enhancement of mortar mixed with octadecane/xGnP SSPCM to save building energy consumption

Sumin Kim, Sughwan Kim, Songyee Paek, Su Gwang Jeong, Jeong Hun Lee

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The octadecane/exfoliated graphite nanoplatelets (xGnP) shape-stabilized PCM (SSPCM) was prepared by impregnating octadecane as the PCM into xGnP in a vacuum. Fourier transform infrared spectroscopy determined that the heat storage characteristics of octadecane could integrate into the structure of xGnP due to its physical bonding, without a change in its chemical properties. Scanning electron microscopy images revealed that octadecane was evenly dispersed in the pores of xGnP. Differential scanning calorimeter analysis displayed that the melting temperature range of the SSPCM was similar to that of pure octadecane. Thermo gravimetric analysis measurements of the octadecane/xGnP SSPCM determined that the percentage of impregnated octadecane into xGnP was 55.9%, with 110.9 J/g of latent heat storage energy. In addition, mortar with the prepared SSPCM was investigated, in terms of developing advanced building materials with thermal energy storage properties. The purpose was to improve the thermal properties of mortar by using the latent heat storage of the octadecane/xGnP SSPCM. In consequence, mortar preserved with the SSPCM could be utilized as a construction material that stored thermal energy, to result in saving in buildings energy consumption.

Original languageEnglish
Pages (from-to)257-263
Number of pages7
JournalSolar Energy Materials and Solar Cells
Volume122
DOIs
Publication statusPublished - 2014 Mar 1

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Pulse code modulation
Mortar
Energy utilization
Heat storage
Latent heat
Thermal energy
Graphite
Hot Temperature
octadecane
Calorimeters
Energy storage
Chemical properties
Fourier transform infrared spectroscopy
Melting point
Thermogravimetric analysis
Thermodynamic properties
Vacuum
Scanning
Scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

Cite this

Kim, Sumin ; Kim, Sughwan ; Paek, Songyee ; Jeong, Su Gwang ; Lee, Jeong Hun. / Thermal performance enhancement of mortar mixed with octadecane/xGnP SSPCM to save building energy consumption. In: Solar Energy Materials and Solar Cells. 2014 ; Vol. 122. pp. 257-263.
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Thermal performance enhancement of mortar mixed with octadecane/xGnP SSPCM to save building energy consumption. / Kim, Sumin; Kim, Sughwan; Paek, Songyee; Jeong, Su Gwang; Lee, Jeong Hun.

In: Solar Energy Materials and Solar Cells, Vol. 122, 01.03.2014, p. 257-263.

Research output: Contribution to journalArticle

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