Radiation refrigeration membrane

The invention discloses a radiation refrigeration membrane and belongs to the field of refrigeration. The radiation refrigeration membrane comprises a substrate layer; the substrate layer is coated with a refrigeration coating; and the refrigeration coating comprises Ag, TiO2, ZnS, graphene, glass microspheres, gallium nitride and a carbon nano tube. The radiation refrigeration membrane can rapidly conduct heat, has good heat dissipation characteristic, performs refrigeration under the condition without power and utilizes rare earth discoloration under the energization condition to reach the purpose of switching refrigeration to heating. 本发明公开了种辐射制冷膜，属于制冷领域，包括基材层；所述基材层上涂覆有制冷涂料；所述制冷涂料包括Ag、TiO、ZnS、石墨烯、玻璃微球、氮化稼和碳纳米管；本发明能够快速导热并具有良好的散热特性。本发明在不通电的情况下制冷，在通电的情况下利用稀土变色达到制冷转变为制热。