干旱区生态环境知识资源中心(Arid): High-performance solar-driven water harvesting from air with a cheap and scalable hygroscopic salt modified metal-organic framework

Arid

DOI	10.1016/j.cej.2023.141955
	High-performance solar-driven water harvesting from air with a cheap and scalable hygroscopic salt modified metal-organic framework
	An, Hong; Chen, Yang; Wang, Yong; Liu, Xiaohua; Ren, Yongheng; Kang, Ziliang; Li, Jinping; Li, Libo
通讯作者	Chen, Y ; Li, LB
来源期刊	CHEMICAL ENGINEERING JOURNAL
ISSN	1385-8947
EISSN	1873-3212
出版年	2023
卷号	461
英文摘要	Atmospheric water harvesting (AWH) using solar-driven desorption systems is a viable solution to water shortage in arid regions. However, common water adsorbents, such as zeolite and silica gel, exhibit low water uptake under low relative humidity (RH <= 30%) or require high regeneration temperature (>= 200 degrees C), which limits their application in water harvesting. The existing water harvesting metal-organic frameworks (MOFs) exhibit low water uptake at low RH and require high modification cost. Herein, a hygroscopic salt-modified MOF (CaCl2@MOF-808-11.8) is developed to overcome the shortcomings of its respective components. This composite exhibits excellent water uptake of 0.56 g g-1 under low RH (RH = 30% at 25 degrees C), which is seven times that of MOF-808. The water uptake at low RH, structural stability, and cyclic performance of the material are greatly improved. The performance comparison and simulation results show that CaCl2@MOF-808-11.8 has outstanding water harvesting performance under low humidity. An outdoor water harvesting experiment using a home-made device shows that CaCl2@MOF-808-11.8 can collect 1.8 kg of water per each kilogram of material daily using only a solar-driven power supply system, which is superior to most reported water harvesting MOFs. The cost, hydrophilicity and practical recycling properties of the composite material suggest that it is a very promising material for water harvesting.
英文关键词	Atmospheric water harvesting Composite adsorbents Metal-organic frameworks Hygroscopic salts Solar-driven
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000946280300001
WOS关键词	HEAT TRANSFORMATION ; ADSORPTION ; SORPTION ; COMPOSITES ; STORAGE ; YIELD
WOS类目	Engineering, Environmental ; Engineering, Chemical
WOS研究方向	Engineering
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/395730
推荐引用方式 GB/T 7714	An, Hong,Chen, Yang,Wang, Yong,et al. High-performance solar-driven water harvesting from air with a cheap and scalable hygroscopic salt modified metal-organic framework[J],2023,461.
APA	An, Hong.,Chen, Yang.,Wang, Yong.,Liu, Xiaohua.,Ren, Yongheng.,...&Li, Libo.(2023).High-performance solar-driven water harvesting from air with a cheap and scalable hygroscopic salt modified metal-organic framework.CHEMICAL ENGINEERING JOURNAL,461.
MLA	An, Hong,et al."High-performance solar-driven water harvesting from air with a cheap and scalable hygroscopic salt modified metal-organic framework".CHEMICAL ENGINEERING JOURNAL 461(2023).