
Keywords: پوسته سیلیکا; DM; D-Mannitol; MEDM; Microencapsulated D-Mannitol; SEM; Scanning electron microscope; FT-IR; Fourier transform infrared spectroscopy; TEOS; Tetraethylorthosilicate; DSC; Differential scanning calorimetry; TES; Thermal energy storage; PCM; Phase change ma