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首页> 外文期刊>Advanced Materials >3D Printing a Biomimetic Bridge-Arch Solar Evaporator for Eliminating Salt Accumulation with Desalination and Agricultural Applications
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3D Printing a Biomimetic Bridge-Arch Solar Evaporator for Eliminating Salt Accumulation with Desalination and Agricultural Applications

机译：3D打印仿生桥拱形太阳能蒸发器，以消除盐水积聚和海水淡化和农业应用

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摘要

Solar-driven water evaporation has been considered a sustainable method to obtain clean water through desalination. However, its further application is limited by the complicated preparation strategy, poor salt rejection, and durability. Herein, inspired by superfast water transportation of the Nepenthes alata peristome surface and continuous bridge-arch design in architecture, a biomimetic 3D bridge-arch solar evaporator is proposed to induce Marangoni flow for long-term salt rejection. The formed double-layer 3D liquid film on the evaporator is composed of a confined water film for water supplementation and a free-flowing water film with ultrafast directional Marangoni convection for salt rejection, which functions cooperatively to endow the 3D evaporator with all-in-one function including superior solar-driven water evaporation (1.64 kg m(-2) h(-1), 91% efficiency for pure water), efficient solar desalination, and long-term salt-rejecting property (continuous 200 h in 10 wt% saline water) without any post-cleaning treatment. The design principle of the 3D structures is provided for extending the application of Marangoni-driven salt rejection and the investigation of structure-design-induced liquid film control in the solar desalination field. Furthermore, excellent mechanical and chemical stability is proved, where a self-sustainable and solar-powered desalination-cultivation platform is developed, indicating promising application for agricultural cultivation.
机译：太阳能驱动的水蒸发被认为是通过海水淡化获得清洁水的可持续方法。然而，其进一步的应用受到复杂的制备策略，耐盐抗抑化和耐用性的限制。这里，通过架空射出山雀的超快速水运输和架构中的连续桥梁设计，提出了一种仿生3D桥拱形太阳蒸发器，以诱导Marangoni流动的长期盐排斥。蒸发器上的形成的双层3D液体膜由狭窄的水膜组成，用于水补充和自由流动的水膜，具有超快定向Marangoni对流的盐抑制，这是协作地赋予3D蒸发器的功能一种功能，包括卓越的太阳能驱动的水蒸发（1.64kg m（-2）h（-1），纯水效率为91％），高效的太阳脱盐，长期盐灭绝性（连续200小时在10 wt没有任何清洁后处理的％盐水。提供了3D结构的设计原理，用于扩展Marangoni驱动的盐排斥和太阳海水淡化场中结构设计诱导的液膜控制的应用。此外，证明了优异的机械和化学稳定性，其中开发了一种自我可持续和太阳能海水淡化栽培平台，表明对农业培养有前途的应用。

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  • 来源
    《Advanced Materials》 |2021年第34期|2102443.1-2102443.12|共12页
  • 作者

    Zou Miaomiao; Zhang Yu; Cai Zheren; Li Chuxin; Sun Zhiyuan; Yu Cunlong; Dong Zhichao; Wu Lei; Song Yanlin;

  • 作者单位

    Chinese Acad Sci Inst Chem Beijing Natl Lab Mol Sci BNLMS Key Lab Green Printing Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing Natl Lab Mol Sci BNLMS Key Lab Green Printing Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing Natl Lab Mol Sci BNLMS Key Lab Green Printing Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

    Chinese Acad Sci CAS Key Lab Bioinspired Mat & Interfacial Sci Tech Inst Phys & Chem 29 Zhongguancun East Rd Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing Natl Lab Mol Sci BNLMS Key Lab Green Printing Beijing 100190 Peoples R China;

    Chinese Acad Sci CAS Key Lab Bioinspired Mat & Interfacial Sci Tech Inst Phys & Chem 29 Zhongguancun East Rd Beijing 100190 Peoples R China|Beihang Univ Sch Chem Xueyuan Rd 37 Beijing 100191 Peoples R China;

    Chinese Acad Sci CAS Key Lab Bioinspired Mat & Interfacial Sci Tech Inst Phys & Chem 29 Zhongguancun East Rd Beijing 100190 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing Natl Lab Mol Sci BNLMS Key Lab Green Printing Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst Chem Beijing Natl Lab Mol Sci BNLMS Key Lab Green Printing Beijing 100190 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    3D printing; biomimetic structures; desalination; eliminating salt; solar evaporators;

    机译：3D打印;仿生结构;海水淡化;消除盐;太阳蒸发器;

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