Abstract
The synthesis, thermal energy storage properties and thermal reliability of some fatty acid esters with glycerol as novel solidliquid phase change energy storage materials were investigated. The esters were synthesized by means of the Fischer esterification reaction of the glycerol with myristic, palmitic and stearic acids. The chemical structures of esters were proven by FT-IR and 1H NMR techniques. The melting temperatures and latent heats of the synthesized esters were found in the range of 3163 °C and 149185 J/g, by DSC method. The results showed that the esters as phase change materials (PCMs) had good thermal reliability with respect to the 1000 thermal cycles. TGA analysis was performed to determine thermal stability of the esters. The thermal conductivity of the PCMs was also improved significantly by adding 5 wt% expanded graphite. Based on all results it can also be concluded that the synthesized esters can be considered as potential PCMs for thermal energy storage.
| Original language | English |
|---|---|
| Pages (from-to) | 1711-1715 |
| Number of pages | 5 |
| Journal | Solar Energy Materials and Solar Cells |
| Volume | 94 |
| Issue number | 10 |
| DOIs | |
| State | Published - Oct 2010 |
| Externally published | Yes |
Bibliographical note
Funding Information:The author would like to thank Gaziosmanpaşa University Scientific Research Projects Fund (Project no: 2008/29 ).
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Fatty acid ester
- Glycerol
- PCM
- Thermal conductivity
- Thermal energy storage
- Thermal reliability
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Renewable Energy, Sustainability and the Environment
- Surfaces, Coatings and Films
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