Hybrid Hydrogel Desiccants Atmospheric moisture is a valuable resource for fresh water and potentially sustainable energy. However, direct harvesting water from moisture (the vapor form) remains the most challenging. In article number 2313881, Shu Yang and co-workers prepare hybrid hydrogels from poly(acrylic acid) embedded with lithium chloride, which is capable of simultaneously capture atmospheric water and release it in the liquid phase at room temperature with 50–90% relative humidity. Further, hydrophobic patterns on the hydrogel create the edge effect that expedites water removal.
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Nah et al. (2024) studied this question.
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