Radiative Cooling Electrostatic Spinning Fabric with Environmental Adaptability and Robustness

Radiative cooling textiles are cooled by transferring the body's metabolic heat to outer space and reflecting sunlight, without any energy input, providing a sustainable way for personal thermal management (PTM). However, current research on the environmental adaptability of fabrics is very scarce, and most of the research on PTM has a single application environment. Here, based on the Mie scattering theory and the design of micronanostructures, this work demonstrates an environmentally adaptive fabric (EAF) composed of polyformaldehyde (POM) with a high selectivity ratio and hollow SiO₂. It not only achieves the selective emission of the atmospheric window (8-13 μm) but also shows the transmission of the entire band (2.5-25 μm) and reflect sunlight (0.3-2.5 μm). Remarkably, its optical properties remain outstanding after being subjected to acid, alkaline, and UV treatments, which match the daily garment use application requirements. As a result, the EAF achieves efficient radiative cooling both outdoors (under sunny and cloudy conditions) and indoors (1.5-12.2 °C lower than cotton and commercial cooling fabrics). The EAF with excellent environmental adaptability and robustness brings new possibilities for the rational design of next-generation smart thermal management textiles and other sustainable applications.