Experimental Study on the Thermal Management Performance of Radiative Cooling Phase Change Materials
Radiative cooling is considered an innovative passive approach to address the overheating issue in electronic devices.However,its application is limited by the lower net cooling power.This paper proposes a composite material based on radiative cooling and phase change effect to achieve thermal buffering for heat-generating devices.Using melamine foam(MF)as the three-dimensional framework,polyethylene glycol(PEG)as the phase change material,and fluorinated polymer(PVDF-HFP)as the radiative cooling layer,a radiative cooling phase change material(RC-PCMs)with excellent leak-proof capability is prepared.The composite material not only possesses high solar reflectance(0.93)and high infrared emissivity(0.91)but also has a high enthalpy value(182 J/g).This work provides valuable references for the development of novel passive radiative cooling technologies.
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