4.8 Review

Hygroscopic Porous Polymer for Sorption-Based Atmospheric Water Harvesting

期刊

ADVANCED SCIENCE
卷 9, 期 33, 页码 -

出版社

WILEY
DOI: 10.1002/advs.202204724

关键词

hygroscopic porous polymer; sorption-based atmospheric water harvesting; sorption kinetics; sorption mechanism; structural optimization

资金

  1. International Young Scientists of the National Natural Science Foundation of China [52150410421]
  2. National Natural Science Foundation of China [52006143, 52106101]

向作者/读者索取更多资源

This review introduces the recent development of hygroscopic porous polymers (HPPs) as next-generation sorbents in terms of sorption mechanism, performance, and application. It also highlights the issues regarding sorption-desorption performance and system structure design of HPPs, and proposes research routes for developing next-generation HPP-based SAWH systems.
Sorption-based atmospheric water harvesting (SAWH) holds huge potential due to its freshwater capabilities for alleviating water scarcity stress. The two essential parts, sorbent material and system structure, dominate the water sorption-desorption performance and the total water productivity for SAWH system together. Attributed to the superiorities in aspects of sorption-desorption performance, scalability, and compatibility in practical SAWH devices, hygroscopic porous polymers (HPPs) as next-generation sorbents are recently going through a vast surge. However, as HPPs' sorption mechanism, performance, and applied potential lack comprehensive and accurate guidelines, SAWH's subsequent development is restricted. To address the aforementioned problems, this review introduces HPPs' recent development related to mechanism, performance, and application. Furthermore, corresponding optimized strategies for both HPP-based sorbent bed and coupling structural design are proposed. Finally, original research routes are directed to develop next-generation HPP-based SAWH systems. The presented guidelines and insights can influence and inspire the future development of SAWH technology, further achieving SAWH's practical applications.

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