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超湿模式表面的生物灵感设计,具有高的结构和辐射冷却层,用于高效的收集水系统

Ziyan Wu¹, Qiuyue Wang¹, Fuchao Yang^1,2,3

¹Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, People's Republic of China.

ACS applied materials & interfaces

|July 17, 2025

概括

研究人员开发了一种由沙漠甲虫启发的新型凸表面,以有效地收集大气中的水. 这种超湿表面与辐射冷却层相结合,在干旱环境中显著增加了水的收集.

科学领域:

材料科学材料科学材料科学
环境科学环境科学
化学工程是化学工程的重要组成部分.

背景情况:

大气中含有大量的淡水资源,但在干旱地区收集这些水是具有挑战性的.
纳米布沙漠甲虫利用一个独特的凸,水友-超的表面来收集大气中的水.
开发高效的人工表面用于收集水是解决水资源短缺的关键.

研究的目的:

设计具有凸起形态的超湿表面,以增强大气中的水收集.
为了研究这些新型表面的收集水的能力.
通过使用辐射冷却层减轻表面蒸发来提高收集水的效率.

主要方法:

通过20小时的蚀刻程序制造具有凸结构的水友-超水混合表面.
整合一个辐射冷却层 (RCL) 使用聚乙烯化物-co-hexafluoropropylene) (P(VDF-HFP)) 以尽量减少再蒸发.
通过结合P(VDF-HFP) 和CaF2来提高收集水效率,开发具有多孔RCL的功能颗粒.

主要成果:

雕刻的凸的表面实现了4619.0毫克·厘米的水吸收-2·h-1 .
添加基于P ((VDF-HFP) 的RCL增强了辐射冷却和减少了蒸发.
带有多孔RCL的最终功能结构达到4916.6 mg·cm-2·h-1的收集水效率.

结论:

开发的双面功能结构为增强大气水收集提供了一种简单,稳定和具有成本效益的方法.
仿生设计有效地模仿了纳米布沙漠甲虫收集水的策略.
这项技术为干旱和半干旱地区的水资源管理提供了有希望的解决方案.

关键词:

生物模拟材料生物模拟材料凸起的结构是颠的结构.辐射冷却层是一种辐射冷却层.超湿表面的表面超湿.捕获水是为了捕获水.

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