Journal
SOLAR ENERGY
Volume 188, Issue -, Pages 1283-1291Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2019.07.023
Keywords
Solar steam generation; Integrated evaporation device; Carbon nanotube; Membrane; Localized heating
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Funding
- Fundamental Research Funds for the Central Universities [2019GF09]
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The all-in-one solar steam generation device renders a feasible technical support for freshwater supply in arid areas, where traditional large-scale desalination cannot be applied. In this work, we designed and assembled a paper-based integrated evaporation device (IED) for efficient solar steam generation, in which the self-hardening polyurethane foam was ingeniously fixed on the carbon nanotube (CNT) loaded filter paper connecting with four paper belts to perfectly integrate light absorption, water supply and thermal insulation into one device. Moreover, the effects of CNT concentration and illumination intensity on evaporation performance were experimentally investigated. The results showed that the maximum thermal conversion efficiency of the IED was as high as 88.1% at 1 kW m(-2). Our research indicated that the IED as an easily-enlarged and all-in-one evaporation device was one of the ideal choices for applications in solar steam generation and provided a new resource for seawater desalination.
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