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首页> 外文期刊>Advanced Functional Materials >Bioinspired Fractal Design of Waste Biomass-Derived Solar-Thermal Materials for Highly Efficient Solar Evaporation
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Bioinspired Fractal Design of Waste Biomass-Derived Solar-Thermal Materials for Highly Efficient Solar Evaporation

机译：废物生物量衍生太阳能材料的生物悬浮的分形设计，用于高效的太阳蒸发

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摘要

Solar evaporation is considered a promising technology to address the issue of fresh water scarcity. Although many efforts have been directed towards increasing the solar-thermal conversion efficiency, there remain challenges to develop efficient and cost-effective solar-thermal materials from readily available raw materials. Furthermore, further structural modification of the original biomass structure, particularly at multiple length scales, are seldom reported, which may further improve the solar-thermal performance of these material systems. Herein, a novel low-cost system is developed based on a common bio-waste, pomelo peels (PPs), through a bioinspired fractal structural design strategy, fractal carbonized pomelo peels (FCPP). This FCPP system shows an extremely high solar spectrum absorption of approximate to 98%, and marvelous evaporation rate of 1.95 kg m(-2) h(-1)with a solar-thermal efficiency of 92.4%. In addition, the mechanisms of the evaporation enhancement by fractal structural design are identified by numerical and experimental methods. Moreover, using FCPP in solar desalination shows great superiority in terms of cost and its potential in sewage treatment is also studied. The present work is an insightful attempt on providing a novel proposal to develop bio-waste-derived solar-thermal materials and construct biomimetic structures for efficient solar evaporation and applications.
机译：太阳蒸发被认为是解决淡水稀缺问题的有希望的技术。虽然许多努力旨在提高太阳能转换效率，但仍存在从容易获得的原料中开发高效且具有成本效益的太阳能材料的挑战。此外，很少报告原始生物量结构的进一步结构改变，特别是在多个长度尺度上，这可能进一步提高这些材料系统的太阳能性能。在此，通过生物悬浮的分形结构设计策略，分形碳化柚皮（FCPP），基于共同的生物废物，柚皮剥离（PPS）开发了一种新的低成本系统。该FCPP系统显示出极高的太阳光谱吸收近似为98％，并且奇妙的蒸发速率为1.95千克（-2）H（-1），太阳能 - 热效率为92.4％。此外，通过数值和实验方法鉴定了分形结构设计通过分形结构设计的蒸发增强机制。此外，在太阳脱盐中使用FCPP在成本方面表现出很大的优势，并且还研究了其污水处理的潜力。本作本作能够提供新建议开发生物废物衍生太阳能 - 热材料的富有识别力，并构建仿生结构以实现高效的太阳蒸发和应用。

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  • 来源
    《Advanced Functional Materials》 |2021年第3期|2007648.1-2007648.11|共11页
  • 作者

    Geng Yang; Sun Wan; Ying Peijin; Zheng Yujie; Ding Jun; Sun Kuan; Li Ling; Li Meng;

  • 作者单位

    Chongqing Univ Sch Energy & Power Engn CQU NUS Renewable Energy Mat & Devices Joint Lab MOE Key Lab Low Grade Energy Utilizat Technol & S Chongqing 400044 Peoples R China;

    Chongqing Univ Sch Energy & Power Engn CQU NUS Renewable Energy Mat & Devices Joint Lab MOE Key Lab Low Grade Energy Utilizat Technol & S Chongqing 400044 Peoples R China;

    Chongqing Univ Sch Energy & Power Engn CQU NUS Renewable Energy Mat & Devices Joint Lab MOE Key Lab Low Grade Energy Utilizat Technol & S Chongqing 400044 Peoples R China;

    Chongqing Univ Sch Energy & Power Engn CQU NUS Renewable Energy Mat & Devices Joint Lab MOE Key Lab Low Grade Energy Utilizat Technol & S Chongqing 400044 Peoples R China;

    Natl Univ Singapore Dept Mat Sci & Engn CQU NUS Renewable Energy Mat & Devices Joint Lab Singapore 117573 Singapore;

    Chongqing Univ Sch Energy & Power Engn CQU NUS Renewable Energy Mat & Devices Joint Lab MOE Key Lab Low Grade Energy Utilizat Technol & S Chongqing 400044 Peoples R China;

    Virginia Tech Dept Mech Engn Blacksburg VA 24061 USA;

    Chongqing Univ Sch Energy & Power Engn CQU NUS Renewable Energy Mat & Devices Joint Lab MOE Key Lab Low Grade Energy Utilizat Technol & S Chongqing 400044 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    fractals; pomelo peels; solar evaporations; solar-thermal materials; waste biomasses;

    机译：分形;柚皮;太阳蒸发;太阳能 - 热材料;废物生物量;

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