Dynamically Tunable Subambient Daytime Radiative Cooling Metafabric with Janus Wettability
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Abstract
Abstract Incorporating zero‐energy‐input cooling technology into personal thermal management (PTM) systems is a promising solution for preventing heat‐related illnesses while reducing energy consumption. Although concepts for passive radiative cooling materials are proposed, achieving subambient cooling performance while providing good wearing comfort remains a challenge. Here, a moisture‐wicking nonwoven metafabric is reported that assembles radiative cooling and evaporative heat dissipation to achieve high‐performance thermal and moisture comfort management. This metafabric demonstrates excellent spectral‐selectivity (sunlight reflection of ≈92%, atmospheric window thermal emissivity of ≈97%) and Janus…
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207
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- 29.79
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- 100%
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Authors
7Topics & keywords
Topics
Keywords
- Materials science
- Thermal comfort
- Radiative cooling
- Passive cooling
- Wetting
- Moisture
- Janus
- Evaporation
UN Sustainable Development Goals
- Affordable and clean energy
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