Experimental evaluation of composite concrete incorporated with thermal energy storage material for improved thermal behavior of buildings

Aditya Kumar Singh, Pushpendra Kumar Singh Rathore, R.K. Sharma, Naveen Kumar Gupta and Rajan Kumar

Energy, 2023, vol. 263, issue PA

Abstract: This study shows the effect of integrating eutectic Phase Change Material (PCM) in concrete on thermal, physical, and mechanical properties. Lauric acid and Myristic acid were used to prepare Eutectic PCM. Eutectic PCM was mixed in Zeolite to form Shape Stabilized Composite Phase Change Material (SSCPCM). SSCPCM-39% was found to be most stable and prevents the leakage of the eutectic PCM. SSCPCM-39% was chemical, physically and morphologically stable using Fourier Transform Infrared Spectroscopy (FTIR), X-rays Diffraction (XRD), and Scanning Electron Microscope (SEM). Additionally, SSCPCM-39% possess excellent thermal stability and thermal energy storage capacity which was investigated using Thermo Gravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC). SSCPCM was then integrated in concrete in varying percentage to form Thermal Energy Storage Concrete slab namely TES-C0, TES-C1, TES-C2, TES-C3, and TES-C4. These slabs were then tested in real outdoor environment for thermal behaviour. TES-C4 shows best performance in regulating indoor temperature showing maximum reduction of 14.51% in peak temperature and maximum time delay of 71 min in comparison to TES-C0. Compressive strength of 42 kN, 39 kN, 33 kN, and 29 kN was shown by TES-C1, TES-C2, TES-C3, and TES-C4 respectively after 28 days of hydration process.

Keywords: Thermal energy storage; Phase change material; Buildings; Temperature (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:263:y:2023:i:pa:s0360544222025877

DOI: 10.1016/j.energy.2022.125701

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