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Simultaneous Solar Steam and Electricity Generation from Synergistic Salinity-Temperature Gradient

机译：同时太阳能蒸汽和发电从协同盐度 - 温度梯度

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摘要

Solar-driven interfacial evaporation by localization of solar heating at the air-liquid surface has emerged as a cost-effective desalination technology. The rapid interfacial evaporation induces simultaneous salinity and temperature gradient between evaporation surface and bulk water, which enables electricity generation but is not comprehensively utilized. Herein, the combination of a thermogalvanic cell (TGC) and reverse electrodialysis (RED) in solar-driven interfacial evaporation is proposed to extract energy from temperature and salinity gradients simultaneously. Because of the synergistic ion transport effect, the coupling of TGC and RED enables mutual power enhancement by orders of magnitude based on the rational spatial layout and the fabrication of composite electrodes. Finally, a steam-electricity cogeneration system is designed, which achieves the 1.4 kg m(-2) h(-1) vapor and 1.11 W m(-2) electricity simultaneously under one sun illumination. This concept opens a promising avenue towards a solar-driven water-energy nexus.
机译：通过在空气 - 液体表面的太阳能加热定位的太阳能驱动的界面蒸发已成为一种经济高效的脱盐技术。快速的界面蒸发诱导蒸发表面和散装水之间的同时盐度和温度梯度，这使得能量产生，但不受综合利用。在此，提出了在太阳能驱动的界面蒸发中的热血流常规细胞（TGC）和反向电渗析（红色）的组合，同时从温度和盐度梯度提取能量。由于协同离子输送效果，TGC和红色的耦合可以基于合理的空间布局和复合电极的制造来实现相互功率的功率增强。最后，设计了一种蒸汽电力热电联产系统，其在一个太阳照明下同时实现1.4kg m（-2）H（-1）蒸气和1.11wm（-2）电力。这一概念为太阳能驱动的水能Nexus开辟了一个有希望的大道。

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  • 来源
    《Advanced energy materials》 |2021年第18期|2100481.1-2100481.6|共6页
  • 作者

    Wang Hui; Xie Wenke; Yu Boyang; Qi Bei; Liu Rong; Zhuang Xinyan; Liu Shiyou; Liu Pei; Duan Jiangjiang; Zhou Jun;

  • 作者单位

    Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China|Huazhong Univ Sci & Technol Sch Opt & Elect Informat Wuhan 430074 Peoples R China;

    Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China|Huazhong Univ Sci & Technol Sch Opt & Elect Informat Wuhan 430074 Peoples R China;

    Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China|Huazhong Univ Sci & Technol Sch Opt & Elect Informat Wuhan 430074 Peoples R China;

    Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China|Huazhong Univ Sci & Technol Sch Opt & Elect Informat Wuhan 430074 Peoples R China;

    Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China|Huazhong Univ Sci & Technol Sch Opt & Elect Informat Wuhan 430074 Peoples R China;

    Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China|Huazhong Univ Sci & Technol Sch Opt & Elect Informat Wuhan 430074 Peoples R China;

    Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China|Huazhong Univ Sci & Technol Sch Opt & Elect Informat Wuhan 430074 Peoples R China;

    Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China|Huazhong Univ Sci & Technol Sch Opt & Elect Informat Wuhan 430074 Peoples R China;

    Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China|Huazhong Univ Sci & Technol Sch Opt & Elect Informat Wuhan 430074 Peoples R China;

    Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect Wuhan 430074 Peoples R China|Huazhong Univ Sci & Technol Sch Opt & Elect Informat Wuhan 430074 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    electricity generation; reverse electrodialysis; solar#8208; driven interfacial evaporation; thermogalvanic cells;

    机译：发电;反向电渗层;太阳能＆＃8208;驱动的界面蒸发;热血管毒性细胞;

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