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Materials Engineering for Atmospheric Water Harvesting: Progress and Perspectives
Advanced Materials ( IF 27.4 ) Pub Date : 2022-02-05 , DOI: 10.1002/adma.202110079
Hengyi Lu 1 , Wen Shi 1 , Youhong Guo 1 , Weixin Guan 1 , Chuxin Lei 1 , Guihua Yu 1
Advanced Materials ( IF 27.4 ) Pub Date : 2022-02-05 , DOI: 10.1002/adma.202110079
Hengyi Lu 1 , Wen Shi 1 , Youhong Guo 1 , Weixin Guan 1 , Chuxin Lei 1 , Guihua Yu 1
Affiliation
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Atmospheric water harvesting (AWH) is emerging as a promising strategy to produce fresh water from abundant airborne moisture to overcome the global clean water shortage. The ubiquitous moisture resources allow AWH to be free from geographical restrictions and potentially realize decentralized applications, making it a vital parallel or supplementary freshwater production approach to liquid water resource-based technologies. Recent advances in regulating chemical properties and micro/nanostructures of moisture-harvesting materials have demonstrated new possibilities to promote enhanced device performance and new understandings. This perspective aims to provide a timely overview on the state-of-the-art materials design and how they serve as the active components in AWH. First, the key processes of AWH, including vapor condensation, droplet nucleation, growth, and departure are outlined, and the desired material properties based on the fundamental mechanisms are discussed. Then, how tailoring materials-water interactions at the molecular level play a vital role in realizing high water uptake and low energy consumption is shown. Last, the challenges and outlook on further improving AWH from material designs and system engineering aspects are highlighted.
中文翻译:
大气集水材料工程:进展与展望
大气集水 (AWH) 正在成为一种很有前景的策略,可以利用丰富的空气水分生产淡水,以克服全球清洁水资源短缺的问题。无处不在的水分资源使 AWH 不受地域限制,并有可能实现分散应用,使其成为基于液态水资源的技术的重要平行或补充淡水生产方法。调节吸湿材料的化学性质和微/纳米结构的最新进展已经证明了促进提高设备性能和新认识的新可能性。这一观点旨在及时概述最先进的材料设计以及它们如何作为 AWH 中的活性成分。一、AWH的关键过程,包括蒸汽冷凝,概述了液滴的成核、生长和离开,并讨论了基于基本机制的所需材料特性。然后,展示了在分子水平上调整材料-水相互作用如何在实现高吸水率和低能耗方面发挥重要作用。最后,从材料设计和系统工程方面进一步改进AWH的挑战和展望。
更新日期:2022-02-05
中文翻译:
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大气集水材料工程:进展与展望
大气集水 (AWH) 正在成为一种很有前景的策略,可以利用丰富的空气水分生产淡水,以克服全球清洁水资源短缺的问题。无处不在的水分资源使 AWH 不受地域限制,并有可能实现分散应用,使其成为基于液态水资源的技术的重要平行或补充淡水生产方法。调节吸湿材料的化学性质和微/纳米结构的最新进展已经证明了促进提高设备性能和新认识的新可能性。这一观点旨在及时概述最先进的材料设计以及它们如何作为 AWH 中的活性成分。一、AWH的关键过程,包括蒸汽冷凝,概述了液滴的成核、生长和离开,并讨论了基于基本机制的所需材料特性。然后,展示了在分子水平上调整材料-水相互作用如何在实现高吸水率和低能耗方面发挥重要作用。最后,从材料设计和系统工程方面进一步改进AWH的挑战和展望。