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. 2021 Dec 4;14:10. doi: 10.1007/s40820-021-00748-7

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — a Concentrations of major cations in real seawater (Yellow Sea, China) before and after desalination. b UV–vis absorption spectra of methylene blue (MB) and methyl orange (MO) solutions before evaporation and the corresponding condensed water after evaporation. c Comparison diagram of a honeycomb fabric-based evaporator before and after 35 h of continuous evaporation. d Digital image of salt accumulation at the edge of the evaporator. e Schematic diagram of water evaporation, water transport, and salt accumulation in a solar steam generator. f IR image of the solar after 20 min of solar irradiation. g Digital image of salt accumulation under the irradiation of 1 and 3 solar intensities with salt concentration of 15%. h Variations in solar intensity, honeycomb fabric surface temperature, ambient temperature, and evaporation mass with time from 8:00 to 17:00 (Nov. 12, 2020; Qingdao, China)