Interfacial Solar Evaporation: From Fundamental Research to Applications

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(23)

Published: Feb. 22, 2024

Abstract In the last decade, interfacial solar steam generation (ISSG), powered by natural sunlight garnered significant attention due to its great potential for low‐cost and environmentally friendly clean water production in alignment with global decarbonization efforts. This review aims share knowledge engage a broader readership about current progress of ISSG technology facing challenges promote further advancements toward practical applications. The first part this assesses strategies enhancing energy efficiency systems, including optimizing light absorption, reducing losses, harvesting additional energy, lowering evaporation enthalpy. Subsequently, faced technologies, notably salt accumulation bio‐fouling issues applications, are elucidated contemporary methods discussed overcome these challenges. end, applications ISSG, ranging from initial seawater desalination industrial wastewater purification power generation, sterilization, soil remediation, innovative concept sea farm, introduced, highlighting promising contributing sustainable conscious practices. Based on in‐depth understanding aspects, future research focuses proposed address both fundamental

Language: Английский

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Leakage Proof, Flame-Retardant, and Electromagnetic Shield Wood Morphology Genetic Composite Phase Change Materials for Solar Thermal Energy Harvesting

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: May 16, 2024

Abstract Phase change materials (PCMs) offer a promising solution to address the challenges posed by intermittency and fluctuations in solar thermal utilization. However, for organic solid–liquid PCMs, issues such as leakage, low conductivity, lack of efficient solar-thermal media, flammability have constrained their broad applications. Herein, we present an innovative class versatile composite phase (CPCMs) developed through facile environmentally friendly synthesis approach, leveraging inherent anisotropy unidirectional porosity wood aerogel (nanowood) support polyethylene glycol (PEG). The modification process involves incorporation phytic acid (PA) MXene hybrid structure evaporation-induced assembly method, which could impart non-leaking PEG filling while concurrently facilitating conduction, light absorption, flame-retardant. Consequently, as-prepared wood-based CPCMs showcase enhanced conductivity (0.82 W m −1 K , about 4.6 times than PEG) well high latent heat 135.5 kJ kg (91.5% encapsulation) with durability stability throughout at least 200 heating cooling cycles, featuring dramatic conversion efficiency up 98.58%. In addition, synergistic effect MXene, flame-retardant performance has been significantly enhanced, showing self-extinguishing behavior. Moreover, excellent electromagnetic shielding 44.45 dB was endowed CPCMs, relieving contemporary health hazards associated waves. Overall, capitalize on exquisite cell transport development multifunctional showcasing operational principle proof-of-concept prototype system.

Language: Английский

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Recent research advances in efficient solar-driven interfacial evaporation

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 489, P. 151157 - 151157

Published: April 10, 2024

Language: Английский

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3D-Printed Liquid Metal-in-Hydrogel Solar Evaporator: Merging Spectrum-Manipulated Micro-Nano Architecture and Surface Engineering for Solar Desalination

ACS Nano, Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 8, 2024

Solar desalination driven by interfacial heating is considered a promising technique to alleviate the freshwater shortage crisis. However, its further extension and application are confined factors such as highlighted salt accumulation, inferior energy efficiency, poor durability. Herein, microsized eutectic gallium–indium (EGaIn) core–shell nanodroplet (denoted LMTE) with photo-cross-linking photothermal traits, stabilized allyl glycidyl ether (AGE)-grafting tannic acid (TA), explored solar absorber for broadband light absorbing localized micro-nano heat channeling. The LMTE nanodroplets formulated directly highly hydrated polymers photosensitive species successfully develop water-based ink suitable digital processing (DLP) 3D printing. As demonstration, composite hydrogel-forged milli-conical needle arrays metal-phenolic network (MPN)-engineered wettability enhancement can be printed designed rationally via bottom-up strategy. 3D-printing hydrogel evaporator composed of spectrum-tailored EGaIn efficient photon harvesting MPN-coated milli-cone water supplying channeling, which function cooperatively bestow superior solar-powered evaporation (2.96 kg m–2 h–1, 96.93% efficiency) excellent (salt cycle site-specific crystallization). Furthermore, robust steam generating/collecting system demonstrated, providing valuable guidance building water-energy-agriculture nexus.

Language: Английский

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Excellent solar-driven interface evaporation by an oil repellence Janus photothermal membrane for oily wastewater treatment

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 483, P. 149211 - 149211

Published: Feb. 1, 2024

Language: Английский

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Tree-Inspired Structurally Graded Aerogel with Synergistic Water, Salt, and Thermal Transport for High-Salinity Solar-Powered Evaporation

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: June 17, 2024

Abstract Solar-powered interfacial evaporation is an energy-efficient solution for water scarcity. It requires solar absorbers to facilitate upward transport and limit the heat surface efficient evaporation. Furthermore, downward salt ion also desired prevent accumulation. However, achieving simultaneously fast uptake, transport, localization challenging due highly coupled water, mass, thermal transport. Here, we develop a structurally graded aerogel inspired by tree systems collectively optimize salt, The arched features root-like, fan-shaped microchannels rapid uptake diffusion, horizontally aligned pores near through maximizing absorption minimizing conductive loss. These structural characteristics gave rise consistent rates of 2.09 kg m −2 h −1 under one-sun illumination in 3.5 wt% NaCl 7 days without degradation. Even high-salinity 20 NaCl, maintained stable at 1.94 8 crystal formation. This work offers novel microstructural design address complex interplay

Language: Английский

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Hollow glass microspheres incoporated conjugated microporous polymers composite aerogels for sustainable evaporation

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 488, P. 150892 - 150892

Published: April 1, 2024

Language: Английский

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Developing Salt-Rejecting Evaporators for Solar Desalination: A Critical Review

Environmental Science & Technology, Journal Year: 2024, Volume and Issue: 58(20), P. 8610 - 8630

Published: May 9, 2024

Solar desalination, a green, low-cost, and sustainable technology, offers promising way to get clean water from seawater without relying on electricity complex infrastructures. However, the main challenge faced in solar desalination is salt accumulation, either surface of or inside evaporator, which can impair solar-to-vapor efficiency even lead failure evaporator itself. While many ideas have been tried address this ″salt accumulation″, scientists not had clear system for understanding what works best enhancement salt-rejecting ability. Therein, first time, we classified state-of-the-art designs into isolation strategy (isolating brine), dilution (diluting concentrated crystallization (regulating site tiny area). Through specific equations presented, identified key parameters each highlighted corresponding improvements performance. This Review provides semiquantitative perspective critical enhancing ability dilution-based, isolation-based, crystallization-based evaporators. Ultimately, knowledge help us create reliable solutions provide saltiest sources.

Language: Английский

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Biomimetic Micro-Nanostructured Evaporator with Dual-Transition-Metal MXene for Efficient Solar Steam Generation and Multifunctional Salt Harvesting

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

Published: Jan. 6, 2025

Abstract Solar-driven interfacial evaporation is one of the most attractive approaches to addressing global freshwater shortage. However, achieving an integrated high rate, salt harvesting, and multifunctionality in evaporator still a crucial challenge. Here, novel composite membrane with biomimetic micro-nanostructured superhydrophobic surface designed via ultrafast laser etching technology. Attractively, double‐transition‐metal (V 1/2 Mo ) 2 CT x MXene nanomaterials as photothermal layer, exhibiting enhanced conversion performance due elevated joint densities states, which enables populations photoexcited carrier relaxation heat release, provides new insight into mechanism for multiple principal element MXene. Hence, MXene-200 can achieve rate 2.23 kg m −2 h −1 under sun, owing “light trap” effect, conversion, high-throughput water transfer. Synergetically, induce directed precipitation at edge, thus enabling harvesting recycling zero-emission brine water. Moreover, endowed excellent anti‐/de‐icing, anti-fouling, antibacterial, overcoming disadvantage that versatility difficult be compatible. Therefore, promising strategy hold great potential practical application solar evaporation.

Language: Английский

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Preparation of porous membranes with tunable pore size for solar interfacial evaporation and purification of oily seawater by breath figure technique

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 132123 - 132123

Published: Feb. 1, 2025

Language: Английский

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