期刊
SCIENCE BULLETIN
卷 67, 期 15, 页码 1572-1580出版社
ELSEVIER
DOI: 10.1016/j.scib.2022.07.004
关键词
Interfacial solar evaporation; Water evaporation; Solar -thermal energy; Photothermal materials; Photothermal evaporators; Reduced graphene oxide
资金
- Australian Research Council [FT190100485, DP220100583]
- China Scholarship Council
- Future Industries Institute for top up scholarships
- Australian Research Council [FT190100485] Funding Source: Australian Research Council
This study found that the evaporation rate decreases as the size of the evaporation surface increases. By selectively removing the middle portion of the evaporation surface, the convection above the entire surface can be reconfigured and enhanced, resulting in an increased evaporation rate and vapor output.
Using minimal photothermal material to achieve maximum evaporation rate is extremely important for practical applications of interfacial solar evaporation technology. In this work, we found that with the increase in the size of evaporation surfaces, the evaporation rate decreased. Both experimental and numerical simulation results confirmed that when the evaporation surface size increased, the middle portion of the evaporation surface acted as a dead evaporation zone with little contribution to water evaporation. Based on this, the middle portion of the evaporation surface was selectively removed, and counterintuitively, both the evaporation rate and vapor output were increased due to the reconfigured and enhanced convection above the entire evaporation surface. As such, this work developed an important strategy to achieve a higher evaporation rate and increased vapour output while using less material. (c) 2022 Science China Press. Published by Elsevier B.V. and Science China Press. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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