Issue 12, 2020

Manipulating unidirectional fluid transportation to drive sustainable solar water extraction and brine-drenching induced energy generation

Abstract

Water and energy are intimately intertwined, and it is high time to put forth integrated approaches to address the challenges and opportunities of the water–energy nexus. Herein, a novel fluidic photothermal structure integrated with a brine-drenching induced electricity generator is reported for simultaneous clean water and power production. The fluidic photothermal structure is capable of sustaining solar-thermal distillation systems (e.g. interfacial and multi-stage configurations) at high energy conversion efficiency while completely preventing salt formation from occurring in the long-term desalination process, by taking advantage of unidirectional brine fluid transportation. The brine-drenching induced electricity allows immediate power generation with a piece of wet fabric only. Furthermore, the fabric-based energy generator exhibits remarkable programmable properties, and we have also demonstrated that power generation is also achievable with different water sources such as human sweat, groundwater and rainwater, which opens up exciting applications in various fields of energy harvesting and water detection systems, and provides a promising solution for sustainable powering of wearable devices and electronics.

Graphical abstract: Manipulating unidirectional fluid transportation to drive sustainable solar water extraction and brine-drenching induced energy generation

Supplementary files

Article information

Article type
Paper
Submitted
18 Mei 2020
Accepted
07 Ago 2020
First published
26 Ago 2020

Energy Environ. Sci., 2020,13, 4891-4902

Manipulating unidirectional fluid transportation to drive sustainable solar water extraction and brine-drenching induced energy generation

Y. Zhang, H. Zhang, T. Xiong, H. Qu, J. J. Koh, D. K. Nandakumar, J. Wang and S. C. Tan, Energy Environ. Sci., 2020, 13, 4891 DOI: 10.1039/D0EE01572E

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