Advances in Solar‐Driven Hygroscopic Water Harvesting,Global Challenges

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Advances in Solar‐Driven Hygroscopic Water Harvesting
Global Challenges ( IF 4.4 ) Pub Date : 2020-12-13 , DOI: 10.1002/gch2.202000085
Shendong Zhuang ₁ , Heshan Qi ₂ , Xueyang Wang ₂ , Xiuqiang Li ₃ , Kai Liu ₄ , Jun Liu ₁ , Han Zhang ₁

Affiliation

Water scarcity is one of the greatest global challenges at this time. Significant efforts have been made to harvest water from the air, due to widely available water sources present in the atmosphere. Particularly, solar‐driven hygroscopic water harvesting based on the adsorption–desorption process has gained tremendous attention because of the abundance of solar energy in combination with substantial improvements in conversion efficiency enabled by advanced sorbents, improved photothermal materials, interfacial heating system designs, and thermal management in recent years. Here, recent developments in atmospheric water harvesting are discussed, with a focus on solar‐driven hygroscopic water harvesting. The diverse structural designs and engineering strategies that are being used to improve the rate of the water production, including the design principles for sorbents with high adsorption capacity, high‐efficiency light‐to‐heat conversion, optimization of thermal management, vapor condensation, and water collection, are also explored. The current challenges and future research opportunities are also discussed, providing a roadmap for the future development of solar‐driven hygroscopic water harvesting technology.

中文翻译：

太阳能驱动吸湿水收集的进展

水资源短缺是当前全球面临的最大挑战之一。由于大气中存在广泛的水源，人们在从空气中收集水方面做出了巨大的努力。特别是，基于吸附-解吸过程的太阳能驱动的吸湿水收集受到了极大的关注，因为太阳能丰富，加上先进的吸附剂、改进的光热材料、界面加热系统设计和热能技术使转换效率大幅提高。近年来的管理。在这里，讨论了大气水收集的最新进展，重点是太阳能驱动的吸湿水收集。用于提高产水率的多样化结构设计和工程策略，包括高吸附容量吸附剂的设计原理、高效光热转换、热管理优化、蒸汽冷凝和水收集，也被探索。还讨论了当前的挑战和未来的研究机会，为太阳能驱动的吸湿水收集技术的未来发展提供了路线图。

更新日期：2021-01-07

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