POROUS NANOPARTICLE-BASED RADIATIVE COOLING MATERIAL AND RADIATIVE COOLING DEVICE USING THE SAME

• Main Authors: KIM, Sun Kyung, JEONG, Sun Ho, SEO, Seok Beom, PARK, Su Jin
• Format: Patent
• Language: English
• Published: 06.06.2024
• Subjects: ADHESIVES; BLASTING; CHEMISTRY; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; DYES; HEAT EXCHANGE IN GENERAL; HEATING; LIGHTING; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MECHANICAL ENGINEERING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; WEAPONS

The present disclosure relates to a porous nanoparticle-based radiative cooling material and a radiative cooling device using the same. The porous nanoparticle-based radiative cooling material according to one embodiment of the present disclosure includes a plurality of porous nanoparticles and binder molecules, wherein the porous nanoparticles reflect incident sunlight and absorb and radiate mid-infrared light, pores are included inside dielectric particles, reflectance for the incident sunlight and mid-infrared emissivity are increased based on the pores, and a laminated structure distribution is formed by the binder molecules.