Fig. 1: The guide tree for understanding the critical development of SAWH devices, where the systems in the dotted frames are energy-passive, and the solid frames are active or based on external energy supply. | Communications Engineering

Fig. 1: The guide tree for understanding the critical development of SAWH devices, where the systems in the dotted frames are energy-passive, and the solid frames are active or based on external energy supply.

From: Advancements in atmospheric water harvesting: toward continuous operation through mass transfer optimization

Fig. 1

a Experimental setup of the solar glass desiccant-based system16. Copyright 2015, Elsevier. b Schematic of the water harvester consisting of a water sorption unit and a case21. Copyright 2018, The American Association for the Advancement of Science. c Working principle of the water harvesting device19. Copyright 2018, Springer Nature. d Atmospheric water harvesting prototype, from top to bottom: aluminum plate, sorbent, upper chamber–metal funnel with a hydrophobic coating, and lower chamber-cooling water outlet20. Copyright 2020, Elsevier. e Operation principle of this rapid-cycling continuous water harvester24. Copyright 2021, Royal Society of Chemistry. f Working principles of the active and continuous SAWH system26. Copyright 2022, Elsevier. g Schematic of a cross-sectional view of the sorption-based continuous AWG prototype22. Copyright 2020, Elsevier. h Design of the autonomous airborne water supplier32. Copyright 2020, The American Association for the Advancement of Science.

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