Enabling Self‐Adaptive Water‐Energy‐Balance of Photothermal Water Diode Evaporator: Dynamically Maximizing Energy Utilization Under the Ever‐Changing Sunlight

Advanced Materials, Год журнала: 2024, Номер 36(18)

Опубликована: Янв. 26, 2024

Abstract Maintaining a match between input solar energy and required by water supply management is key to achieving efficient interfacial solar‐driven evaporation (ISDE). In practice, the radiation flux constantly changing throughout day, so keeping dynamic water‐energy‐balance of ISDE big challenge. Herein, photothermal diode (WD) evaporator concept proposed an integrated hydrophilic/hydrophobic Janus absorber overcome issue. Due unique unidirectional transport properties induced asymmetric wettability, self‐adaptive balance uptake established, thus realizing matching utilization maximization. The experimental simulation results exhibit that with increase sunlight intensity, speed significantly accelerated due self‐regulation on replenishment. Therefore, excellent rate up 2.14 kg m –2 h –1 high efficiency 93.7% under 1 sun illumination achieved. This engineering wettability provides novel strategy extends path for designing systems diverse properties, which shows great potential in different environmental conditions.

Язык: Английский

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Recent Advances in High‐Rate Solar‐Driven Interfacial Evaporation

Advanced Science, Год журнала: 2024, Номер 11(26)

Опубликована: Май 5, 2024

Abstract Recent advances in solar‐driven interfacial evaporation (SDIE) have led to high rates that open promising avenues for practical utilization freshwater production and industrial application pollutant nutrient concentration, resource recovery. Breakthroughs overcoming the theoretical limitation of 2D allowed developing systems with rates. This study presents a comprehensive review various evaporator designs achieved pure beyond 4 kg m −2 h −1 , including structural material allowing rapid evaporation, passive 3D designs, coupled alternative energy sources wind joule heating. The operational mechanisms each design are outlined together discussion on current benefits areas improvement. overarching challenges encountered by SDIE concerning feasibility direct integration into contemporary settings assessed, issues relating sustaining elevated under diverse environmental conditions addressed.

Язык: Английский

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MXene/Nitrogen‐Doped Carbon Nanosheet Scaffold Electrode toward High‐Performance Solid‐State Zinc Ion Supercapacitor

Small, Год журнала: 2024, Номер unknown

Опубликована: Июнь 12, 2024

Abstract While MXene is widely used as an electrode material for supercapacitor, the intrinsic limitation of stacking caused by interlayer van der Waals forces has yet to be overcome. In this work, a strategy proposed fabricate composite scaffold (MCN) intercalating with highly nitrogen‐doped carbon nanosheets (CN). The 2D structured CN, thermally converted and pickling from Zn‐hexamine (Zn‐HMT), serves spacer that effectively prevents contributes hierarchically scaffolded structure, which conducive ion movement; meanwhile, high nitrogen‐doping CN tunes electronic structure MCN facilitate charge transfer providing additional pseudocapacitance. As result, MCN50 achieves specific capacitance 418.4 F g −1 at 1 A . assembled symmetric supercapacitor delivers corresponding power density 1658.9 W kg energy 30.8 Wh all‐solid‐state zinc demonstrates superior 68.4 403.5 shows retention 93% after 8000 charge‐discharge cycles. This study sheds new light on design development novel MXene‐based electrodes performance supercapacitor.

Язык: Английский

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Bionic design: Nature insight into solar interfacial evaporators

Energy & Environmental Science, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

This review examines nature-inspired designs for solar interfacial evaporators, highlighting enhancements in light absorption, thermal management, and water/salt transport, while systematically evaluating bionic design strategies.

Язык: Английский

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Oil-Resistant and Wood-Inspired Superhydrophilic Poly(Vinyl Alcohol) Aerogel with Vertically Aligned Channels for Effective Solar Interfacial Desalination and Wastewater Treatment

ACS Applied Materials & Interfaces, Год журнала: 2025, Номер unknown

Опубликована: Март 7, 2025

Environmental pollution and sewage surges necessitate effective water purification methods. Solar interfacial evaporation offers a promising solution, which needs advancements in salt resistance, efficiency, stability. Herein, inspired by the structure of wood, unidirectional freeze-drying method was used to develop vertically aligned channels antioil-fouling poly(vinyl alcohol)-CNTs-waste carton fiber@polydopamine (PVA-CNTs-WCF@PDA) aerogel for desalination wastewater treatment. The anisotropic three-dimensional porous enables it rapidly transport interface resist deposition. Meanwhile, its unique is combined with CNTs PDAs excellent broadband spectral absorption capacity because composite aerogels can interact molecules reduce their vaporization enthalpy. shows an photothermal rate (2.626 kg m-2 h-1) efficiency (94.24%) under one-sun irradiation. Additionally, evaporator conduct 10 consecutive evaporations 3.5% brine, indicating that has ability desalination. Finally, also purify oil-in-water emulsion mine wastewater. It be seen there are no obvious oil droplets treated treatment effect reaches 89.13%. showed application prospects field purification.

Язык: Английский

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Nature‐Inspired Structure‐Engineered TiN/TiO₂ Nanotubes Array Toward Solar Desalination Synergy with Photothermal‐Enhanced Degradation and Thermoelectric Generation

Advanced Functional Materials, Год журнала: 2023, Номер 34(10)

Опубликована: Ноя. 27, 2023

Abstract Solar‐driven interfacial evaporation systems are considered as promising technology to alleviate the water scarcity crisis, yet lack of innovative evaporators obstructs further improvement energy utilization efficiency. Herein, inspired by mangrove, structure‐engineered design is utilized synthesis multi‐level reflection TiN/TiO 2 @carbon cloth (CC) nanotubes array. The hollowed TiO nanorods can promote expeditious transport, while array act localized surface plasmon resonance (LSPR)‐enhanced structure for solar harvesting. enhanced light absorption capability bionic nanostructure confirmed finite‐difference time‐domain (FDTD) simulations. Therefore, @CC‐3 exhibits high rate 2.02 kg m −2 h −1 under 1 illumination, which comparable or better than most fabric‐based evaporators. When applied in wide acid–base (pH 1–13) and salinity range (8–100 ‰) over 15 days, displays outstanding durability. Furthermore, expand application scope elaborate nanostructure, photothermal‐enhanced photocatalysis thermoelectricity generation applications evaluated, these new functionalities integrated into solar‐driven desalination system. outdoor device daily yield 10.89 , synergy with maximum 200.7 mV output voltage dye degradation efficiency, demonstrating flexible multi‐functional according various requirements.

Язык: Английский

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A solar-electric dual-driven microporous hydrogel evaporator for all-weather highly efficient water purification

Nano Energy, Год журнала: 2024, Номер 130, С. 110057 - 110057

Опубликована: Июль 27, 2024

Язык: Английский

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Emerging Strategies to Achieve Interfacial Solar Water Evaporation Rate Greater than 3 kg·m-2·h-1 under One Sun Irradiation

Nano Energy, Год журнала: 2024, Номер 128, С. 109872 - 109872

Опубликована: Июнь 13, 2024

Solar water evaporation is vital for addressing global scarcity, particularly in regions with limited freshwater. Through the utilization of photothermal materials, solar harnesses radiation to generate heat, which turn accelerates water, producing clean drinking water. Subsequently, vapor condensed produce fresh offering a sustainable solution scarcity. This research field has garnered immense scientific interest, over six thousand publications. Reported absorber rates exceed 100 kg m−2 h−1 under one sun irradiation, far surpassing theoretical limit 1.47 achievable on two-dimensional surfaces, assuming constant latent heat at 2444 J g−1. review addresses this significant discrepancy and practical values. A cut-off 3 (under irradiation) considered narrow focus, facilitating analysis high-rate evaporators. Critical challenges factors contributing high are discussed, providing comprehensive insights into advancements.

Язык: Английский

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Interfacial Solar Vapor Evaporator Based on Biologically Natural Composites

Nano Energy, Год журнала: 2024, Номер 133, С. 110458 - 110458

Опубликована: Ноя. 8, 2024

Язык: Английский

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Manipulating 2D Membrane Interlayer Channels with Accelerated Mass‐Transfer Behavior to Boost Solar Desalination

Small, Год журнала: 2024, Номер unknown

Опубликована: Май 10, 2024

Abstract The scarcity of fresh water necessitates sustainable and efficient desalination strategies. Solar‐driven steam generation (SSG), which employs solar energy for evaporation, has emerged as a promising approach. Graphene oxide (GO)‐based membranes possess advantages like capillary action Marangoni effect, but their stacking defects dead zones flexible flakes hinders transportation, thus the evaporation rate lag behind unobstructed‐porous 3D evaporators. Therefore, fundamental mass‐transfer approach optimizing SSG evaporators offers new horizons. Herein, universal multi‐force‐fields‐based method is presented to regularize membrane channels, can mechanically eliminate inherent interlayer stackings defects. Both characterization simulation demonstrate effectiveness this across different scales explain intrinsic mechanism enhancement. When combined with structurally optimized substrate, 4Laponite@GO‐1 achieves 2.782 kg m −2 h −1 94.48% efficiency, comparable most Moreover, exhibits excellent cycling stability (10 days) tolerance extreme conditions (pH 1–14, salinity 1%–15%), verifies robust structural regularized channels. This optimization strategy provides simple way enhance performance GO‐based membranes, facilitating extensive application in purification technologies.

Язык: Английский

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