Enhanced optical absorption and solar steam generation of CB-ATO hybrid nanofluids

Dan Qu, Lekai Cheng, Yanqiong Bao, Yingxv Gao, Xiong Zheng and Guangzhao Qin

Renewable Energy, 2022, vol. 199, issue C, 509-516

Abstract: Solar steam generation has received tremendous attention recently due to the increasing demand for fresh water. In this study, carbon black (CB) and antimony doped tin oxide (ATO) hybrid nanofluid were prepared to improve the performance of the solar desalination system. The long-term stability of CB-ATO nanofluids enables good operation during solar steam generation. The optical properties of hybrid nanofluids were investigated systematically and showed that hybrid nanofluids significantly enhanced the solar energy utilization ability compared with one-component nanofluids. Furthermore, solar evaporation experiments of hybrid nanofluids were carried out under one sun using solar irradiation simulator, the evaporation efficiency was enhanced by about four times than pure water with the addition of nanoparticles. Meanwhile, the solar-thermal conversion during the evaporation process was analyzed using experimental data and the mechanism of evaporation enhancement of hybrid nanofluids was proposed. This study paves a new way for the use of hybrid nanofluids in the solar steam generation technique.

Keywords: Carbon black; Antimony doped tin oxide; Hybrid nanofluids; Solar steam generation (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:199:y:2022:i:c:p:509-516

DOI: 10.1016/j.renene.2022.08.150

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