A Multiscale Porous 3D-Fabric Evaporator with Vertically Aligned Yarns Enables Ultra-Efficient and Continuous Water Desalination

Zhiwei Lei; Shifeng Zhu; Xuantong SunShaonan YuXuqing LiuKun LiangXueji ZhangLijun QuLili WangXiansheng Zhang

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A Multiscale Porous 3D-Fabric Evaporator with Vertically Aligned Yarns Enables Ultra-Efficient and Continuous Water Desalination

机译：A Multiscale Porous 3D-Fabric Evaporator with Vertically Aligned Yarns Enables Ultra-Efficient and Continuous Water Desalination

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Solar steam generation has emerged as an environment-friendly and promisingstrategy to overcome the freshwater and energy crisis. However,simultaneously attaining the satisfied evaporation rate, durability and energyutilization in a single system is challengeable, but crucial to the practicalapplication. Herein, inspired by the carpet weaving technique and benefitingfrom “fiber–yarn–fabric” hierarchical structures, a 3D fabric evaporator withvertical hemp-yarn arrays is innovatively constructed, featuring a combinedstructure of multiscale pores from tunable spacing between adjacent fibers oryarns, the vertically aligned architecture coated with superhydrophilic MXenesandwichedlayer and the adjustable side height/areas. These structures workcooperatively, surprisingly achieving the integrated functions of excellent lightcapture, the balanced evaporation area and vapor escape space, the additionalenergy adsorption from the environment and the salt exchange alongor between micro/macro pores. Consequently, the 3D evaporator exhibits anoutstanding evaporation rate (3.95 kg m~(?2) h~(?1) under one-sun illumination) andextremely high outdoor evaporation (47.04 kg m~(?2) for 8 h), accompanied withoutstanding salt-resistance (continuous 120 h in 14% brine without salt accumulation),anti-oilfouling and anti-bacterial (efficiency over 99.9%) performances.Finally, through rationally assembling multi-function modules with acondenser, an all-in-one “desalination–thermoelectricity–irrigation” platformis built, realizing the maximum utilization of steam condensation enthalpy.

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来源
《Advanced functional materials》 |2022年第40期|2205790.1-2205790.12|共12页
作者
Zhiwei Lei; Shifeng Zhu; Xuantong SunShaonan YuXuqing LiuKun LiangXueji ZhangLijun QuLili WangXiansheng Zhang;
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作者单位

College of Textiles and ClothingState Key Laboratory of Bio-Fibers and Eco-TextilesResearch Center for Intelligent and Wearable TechnologyQingdao UniversityQingdao 266071, China;

Department of MaterialsThe University of ManchesterManchester M13 9PL, UK;

Engineering Laboratory of Advanced Energy MaterialsNingbo Institute of Materials Technology & EngineeringChinese Academy of SciencesNingbo 315200, China University of Chinese Academy of SciencesBeijing 100049, China Qianwan Institute of CNiTECHNingbo 3153College of Textiles and ClothingState Key Laboratory of Bio-Fibers and Eco-TextilesResearch Center for Intelligent and Wearable TechnologyQingdao UniversityQingdao 266071, China Guangdong Key Laboratory for Biomedical Measurementsand Ultrasound ImagingSch;

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3D fabric evaporators; antifouling; desalination–thermoelectricity–irrigation; multiscale porous structures; vertical yarn arrays;

A Multiscale Porous 3D-Fabric Evaporator with Vertically Aligned Yarns Enables Ultra-Efficient and Continuous Water Desalination

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