| Title |
Analysis of Thermal Behavior and Energy Storage Properties of Mortar Incorporating Microencapsulated PCM |
| Authors |
김신호(Kim, Sin Ho) ; 박건우(Park, Keonwoo) ; 위승환(Wi, Seunghwan) |
| DOI |
https://doi.org/10.5659/JAIK.2026.42.8.275 |
| Keywords |
Phase Change Materials; Building Energy Efficiency; Floor Heating System; Cement-based mortar |
| Abstract |
Improving the energy efficiency of buildings requires enhancing the thermal storage capacity of floor construction materials. One effective
approach is the incorporation of microencapsulated phase change material (MPCM) into cement-based mortar as a latent heat storage material.
In this study, MPCM 44 was selected based on its phase change temperature and latent heat properties, which provide improved heat
retention at elevated temperatures. Mortars containing 3 percent, 6 percent, 9 percent, 12 percent, and 15 percent MPCM 44 by weight were
prepared and evaluated for their thermal and structural performance. The analyses included differential scanning calorimetry, thermogravimetric
analysis, Fourier-transform infrared spectroscopy, thermal conductivity tests, and compressive strength tests. Dynamic thermal response tests
using a Constant Temperature Water Bath system were also conducted to simulate actual floor heating conditions. The results showed that
MPCM 44 reduced the peak surface temperature by up to 2.12 degrees Celsius while maintaining stable phase change behavior and
acceptable compressive strength at MPCM 44 contents up to 6 weight percent. However, higher MPCM contents led to reduced thermal
conductivity and compressive strength, which may negatively affect heat transfer efficiency and structural stability in floor heating systems.
Overall, the incorporation of MPCM 44 into mortar improved heat storage performance and demonstrated potential for energy-saving floor
heating applications in modern buildings. |