The invention relates to the field of phase-change
energy storage materials, and particularly discloses a heat-release-controllable phase-change
energy storage material capable of being transported for a long distance and a preparation method of the heat-release-controllable phase-change
energy storage material. The preparation method of the
phase change energy
storage material comprises the following steps: magnetically stirring polyhydric
alcohol and deionized water at 80 DEG C at a rotating speed of 400r / min for 1h, mixing, heating and dissolving; and cooling the obtained solution to
room temperature, sequentially adding the
tackifier and the photo-thermal material, mixing and stirring for 1 hour, ultrasonically dispersing for 30 minutes, putting into a glass
bottle, putting into an air dry oven,
drying for 1 hour at the temperature of 120 DEG C, removing excessive water, taking out, and sealing. By adding the photo-thermal material, the photo-thermal
absorption rate of polyhydric alcohols contained in the
phase change energy
storage material can be enhanced under the illumination condition, then the overall performance of the
phase change energy
storage material is improved, by adding the
tackifier, the molecular structure of the phase change energy storage material is more stable, and excellent heat storage performance can be kept during long-distance heat transportation.