Active Thermal Field Integration for Marangoni‐Driven Salt Rejection and Water Collection

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 28, 2025

Abstract Using solar energy to drive seawater desalination via steam generation (SSG) is a sustainable strategy for clean water supply. The weak efficiency and poor durability due salt deposition severely restrict practical SSG operation. Traditional evaporators are difficult simultaneously guarantee efficient evaporation long‐term rejection increased salinity. Herein, tackle this dilemma, thermal gradient fabric (TGF) evaporator with an auxiliary active field constructed. Different from traditional works where additional resources improved rate exacerbate accumulation, the well integrated external boost ion circulation through moderate Marangoni flow, leading continuous superior utilization under high‐salinity desalination. accelerated (2.42 kg m −2 h −1 ) resistance (30 days of in 10 wt.% brine) achieved optimized construction. An outstanding collection (5.84 observed during outdoor desalination, which proves purification ability. This study provides new insight into construction fields production, believed.

Language: Английский

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Photothermal Material‐Based Solar‐Driven Cogeneration of Water and Electricity: An Efficient and Promising Technology

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 19, 2025

Abstract With the increasing demand for fresh‐water and electricity in modern society, various technologies are being explored to obtain electricity. Due advances materials science, solar‐driven interfacial evaporation (SDIE) systems have attracted widespread attention because they require only solar energy, possess a high rate little pollution. The researchers combined energy harvesting measures into system output electricity, further improving utilization. However, more in‐depth research review remain on using SDIE efficient water‐electricity cogeneration. Therefore, mechanisms of different photothermal that utilize produce thermal first summarized this paper. Subsequently, mechanism application thermal, mechanical, chemical, electrical power cogeneration discussed. Concurrently, vital mathematical equations widely used simulation methods performance evaluation practical applications presented. design operation based analyzed summarized. Based understanding these aspects, future development direction is proposed address problems faced basic applications.

Language: Английский

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Advancing Efficiency in Solar-Driven Interfacial Evaporation: Strategies and Applications

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: March 8, 2025

Solar-driven interfacial evaporation (SDIE) has emerged as a promising technology for addressing global water scarcity by utilizing solar-thermal conversion and at the air/material/water interface. The exceptional performance of these systems attracted significant interest; it is imperative to establish rigorous scientific standards evaluating effectiveness, optimizing system design, ensuring efficient practical applications. In this Review, we propose consensus criteria accurately assessing guiding future advancements. We then explore fundamental mechanisms driving synergy, emphasizing how material compositions, microscopic hierarchical structures, macroscopic three-dimensional spatial architecture designs enhance solar absorption photothermal conversion; balance heat confinement with pathway optimization; manage salt resistance; regulate enthalpy during vaporization. These matched coordination strategies are crucial maximizing target SDIE efficiency. Additionally, investigate applications technologies, focusing on cutting-edge progress versatile purification, combined atmospheric harvesting, collection, electric generation, deicing. Finally, highlight challenges exciting opportunities advancing research, efforts integrate principles, system-level collaboration, application-driven approaches boost sustainable highly energy technologies. By linking evaluation optimization influencing factors, offer comprehensive overview field outlook that promotes clean production synergistic

Language: Английский

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Moisture Harvesting by the Structure Regulation of Hygroscopic Hydrogel for Energy and Water Sustainability

Advanced Electronic Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 9, 2025

Abstract Water and energy are the cornerstones of human development, with more than half world's population facing water scarcity issues. Atmospheric moisture is widely distributed around globe, rational utilization can create tremendous value. Here, sources hygroscopic materials, methods manufacturing hydrogels, properties these potential applications concluded. To make hydrogels high hydrophilicity, ultrasonic oscillation, freeze drying, spin coating be used as synthesis strategies. The main focus on characteristic parameters uptake, dehydration temperature, conductivity, mechanical stability, swelling behaviors, heat transfer coefficient. These unique features will affect performances assembles, devices, instruments. Subsequently, summarized, such harvesting splitting fuel production, dehumidification, thermal management in electronic solar evaporation, electricity production. Finally, future directions issues interest proposed to promote diverse development relational systems.

Language: Английский

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Interfacial evaporation and salt-blocking kinetics in Janus membrane for solar desalination

Desalination, Journal Year: 2024, Volume and Issue: 592, P. 118129 - 118129

Published: Sept. 16, 2024

Language: Английский

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Solar-driven membrane distillation and forward osmosis coupled system enables simultaneous water regeneration and metal recovery from wastewater

Desalination, Journal Year: 2025, Volume and Issue: unknown, P. 118698 - 118698

Published: Feb. 1, 2025

Language: Английский

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Efficient solar-driven interfacial evaporation of high-boiling organic solvents over arylamine-based conjugated microporous polymer/polyimide aerogels

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 132702 - 132702

Published: March 1, 2025

Language: Английский

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Multiscale Biomimetic Evaporators Based on Liquid Metal/Polyacrylonitrile Composite Fibers for Highly Efficient Solar Steam Generation

Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)

Published: Feb. 5, 2025

Abstract Solar steam generation (SSG) offers a cost-effective solution for producing clean water by utilizing solar energy. However, integrating effective thermal management and transportation to develop high-efficiency evaporators remains significant challenge. Here, inspired the hierarchical structure of stem bird paradise, three-dimensional multiscale liquid metal/polyacrylonitrile (LM/PAN) evaporator is fabricated assembling LM/PAN fibers. The strong localized surface plasmon resonance LM particles porous fibers with interconnected channels lead efficient light absorption up 90.9%. Consequently, biomimetic achieves an outstanding evaporation rate 2.66 kg m −2 h −1 energy efficiency 96.5% under one sun irradiation exceptional 2.58 in brine. Additionally, demonstrates superior purification performance seawater, concentration Na + , Mg 2+ K Ca real seawater dramatically decreased three orders less than 7 mg L after desalination irradiation. regulates as well highly solar-driven evaporation, providing valuable insight into structural design principles advanced SSG systems.

Language: Английский

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Self‐Sustained Water and Electricity Generation from Ambient Humidity by Using Metal‐Ion Controlled Hygroscopic Hydrogels

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 17, 2025

Abstract Unlike traditional water production and electricity generation, direct utilization of atmospheric moisture is a promising way to simultaneously generate power. Here, tailored hygroscopic hydrogel developed through the coupling electron empty orbitals lone pairs, forming [metal−N/O] absorb active sites. The aims capture from ambient humidity transfer gaseous liquid water, storing flowable into hydrogel. process includes two stages, initial small amount chemisorption on sites followed by abundant physisorption hydroxyls. Benefiting surface, uptake Ni 0.92 g −1 at 20 °C 40% RH, while dehydration temperature only 40 °C. Packaging three layers hydrogel, 4 mL h drinking standard produced using 9 when exposed air light. Upon creating moist area carbon paper as electrodes, stable open circuit voltage 533.2 mV generated in self‐sustained manner.

Language: Английский

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Hierarchical Photothermal Network Spontaneously Facilitates Co‐Extraction of Clean Water and Boron

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: May 6, 2025

Abstract Resources, energy, and food are interconnected global challenges. Herein, a double‐layer hierarchical photothermal network (HPN) is designed to co‐harvest clean water boron. As known, this the first achieve above aims together. concept demonstration, graphene oxide (GO) hydrogel with vertically aligned GO nanosheets served as upper layer for light adsorption, while Mg(OH) 2 /GO acted bottom boron extraction. HPN demonstrated high evaporation rate of 1.87 kg m −2 h −1 , an efficiency 89.9% under 1 sun. Combined evaporation‐induced convection effect, localization concentration field, temperature showed record extraction capacity 789.5 mg solar irradiation, versus just 112.16 dark conditions. The contributions these enhanced factors 59.6%, 30.1%, 10.3%, respectively. Ultimately, extracted significantly increased germination growth irrigated crops. In conclusion, offers novel approach provides innovative solution advance achievement Sustainable Development Goals (SDGs).

Language: Английский

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