Bio-inspired fog harvesting materials: from fundamental research to promotional strategy

doi:10.11949/0438-1157.20200454

Abstract

Abstract:

Nowadays, the water crisis has seriously affected people??s daily life due to water pollution and the increasing shortage of fresh water. Capturing water from the morning fog can relieve water shortages in dry areas. Inspired by the spontaneous fog trapping of Namib desert beetles, cacti, spider silk, and other animals or plants, various bionic fog collection materials with special wetting properties have been constructed by researchers. This review summarizes the latest research progress of bio-inspired fog harvesting materials in detail, discusses the design and preparation method of constructing bionic water collection materials from the four major bio-inspired strategies of fog collection, and introduces the design schemes to improve the efficiency of fog harvesting. Furthermore, the problems existing in the current bionic water collection process are analyzed, and the development trend of the materials in the future is forecasted.

Key words: water crisis, special wettability, bioinspired material, fog harvesting, efficiency

摘要：

由于水资源污染、淡水资源日益匮乏，水危机已经严重影响到人们的日常生活。从晨雾中捕获水气则可以缓解干旱地区的缺水问题。受纳米布沙漠甲虫、仙人掌、蜘蛛丝等动植物自发捕集雾水的启发，构建特殊润湿性的仿生雾水收集材料备受关注。详细总结了仿生雾水收集材料的最新研究进展，讨论了仿生集水材料的设计和制备方法，并从雾水收集的四大仿生策略出发，介绍了提升雾水收集效率的设计方案。在此基础上，分析了当前仿生雾水收集过程存在的问题，展望了此类材料未来的发展趋势和方向。

关键词: 水危机, 特殊润湿性, 仿生材料, 雾水收集, 效率

CLC Number:

TB 34

Wei ZHOU, Li CHEN, Jingcheng DU, Luxi TAN, Lichun DONG, Cailong ZHOU. Bio-inspired fog harvesting materials: from fundamental research to promotional strategy[J]. CIESC Journal, 2020, 71(10): 4532-4552.

周威, 陈立, 杜京城, 谭陆西, 董立春, 周才龙. 仿生雾水收集材料：从基础研究到性能提升策略[J]. 化工学报, 2020, 71(10): 4532-4552.

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