Energy efficient Bio-based PCM with silica fume composites to apply in concrete for energy saving in buildings

Yujin Kang, Su Gwang Jeong, Seunghwan Wi, Sumin Kim

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Abstract Bio-based PCMs are made from underused feedstock, such as soybean oil, and are significantly less flammable than paraffins. In this study, Bio-based PCMs were prepared with silica fume through a vacuum impregnation process. Silica fume is a mineral admixture product with an impermeable pore structure, and it is one of the most feasible candidates for use as economical, light-weight thermal energy storage materials for buildings [15,16]. We also used exfoliated graphite nanoplatelets (xGnP) to improve the thermal conductivity because PCMs have a low thermal conductivity. The vacuum impregnation process that was used in this study guarantees that the Bio-based PCM composites can store heat after incorporation. Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), Differential scanning calorimetry (DSC), Thermo gravimetric analyses (TGA), and TCi analysis were then carried out to determine the characteristics of the Bio-based PCM and Bio-based PCM composites.

Original languageEnglish
Article number7852
Pages (from-to)430-434
Number of pages5
JournalSolar Energy Materials and Solar Cells
Volume143
DOIs
Publication statusPublished - 2015 Aug 17

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Silica fume
Pulse code modulation
Energy conservation
Concretes
Composite materials
Impregnation
Thermal conductivity
Vacuum
Soybean oil
Soybean Oil
Graphite
Pore structure
Thermal energy
Paraffin
Paraffins
Energy storage
Feedstocks
Fourier transform infrared spectroscopy
Minerals
Differential scanning calorimetry

All Science Journal Classification (ASJC) codes

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

Cite this

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abstract = "Abstract Bio-based PCMs are made from underused feedstock, such as soybean oil, and are significantly less flammable than paraffins. In this study, Bio-based PCMs were prepared with silica fume through a vacuum impregnation process. Silica fume is a mineral admixture product with an impermeable pore structure, and it is one of the most feasible candidates for use as economical, light-weight thermal energy storage materials for buildings [15,16]. We also used exfoliated graphite nanoplatelets (xGnP) to improve the thermal conductivity because PCMs have a low thermal conductivity. The vacuum impregnation process that was used in this study guarantees that the Bio-based PCM composites can store heat after incorporation. Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), Differential scanning calorimetry (DSC), Thermo gravimetric analyses (TGA), and TCi analysis were then carried out to determine the characteristics of the Bio-based PCM and Bio-based PCM composites.",
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Energy efficient Bio-based PCM with silica fume composites to apply in concrete for energy saving in buildings. / Kang, Yujin; Jeong, Su Gwang; Wi, Seunghwan; Kim, Sumin.

In: Solar Energy Materials and Solar Cells, Vol. 143, 7852, 17.08.2015, p. 430-434.

Research output: Contribution to journalArticle

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