▎ 摘　　要

NOVELTY - Phase change material composite material comprises a support made of a porous material, a phase change material filled in the pores of the support, and a thermally conductive filler filled with a phase change material inside the pores of the support. USE - The phase change material composite material is useful for constant temperature and constant humidity air ventilation system. ADVANTAGE - The phase change material composite material: is suitable for indoor ventilation system by performing not only exchange but also humidity control function; prevents heat loss; and is suitable for small size device.