Experimental study of heat insulation and energy performance of lightweight PCM building envelope

Establishes the experimental cubicle with the lightweight PCM wallboard which is prepared by bonding PCM composite on polystyrene foam board and provides improved thermal storage capacity compared to conventional lightweight walls. Using the cubicle in Chongqing tests its characteristic in summer, the experimental results indicate that the cubicle with PCM achieves better energy-saving effect, makes full use of the day and night temperature difference for the heat storage and release, prevents the heat entering and reduces the temperature in non-air-conditioned rooms.