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

Jiehui Li,

Ying Zhang, Qinghua Liu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: March 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.

Language: Английский

Interfacial Solar Evaporation: From Fundamental Research to Applications DOI Creative Commons
Xuan Wu, Yi Lu, Xiaohu Ren

et al.

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

Citations

216

Bioinspired Nanofibrous Aerogel with Vertically Aligned Channels for Efficient Water Purification and Salt‐Rejecting Solar Desalination DOI
Wenjing Ma, Tao Lu, Wenxuan Cao

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(23)

Published: March 8, 2023

Abstract Solar steam generation has become one of the most promising strategies to relieve freshwater crisis. Whereas, construction a solar‐thermal water evaporation structure that can operate continuously under sunlight generate clean with high efficiency, good stability, and salt‐rejecting capability is quite crucial but challengeable. Enlightened by transport transpiration process in trees, an advanced nanofibrous aerogel evaporator fabricated multifunctional capabilities through decoration functional component onto skeleton. The rational integration hierarchical constituents, results outstanding solar‐vapor conversion efficiency 96.1% fast rate about 2.33 kg m −2 h −1 1 sun. Additionally, exhibits remarkably outdoor highly effective salt‐resistant performances. Significantly, monitor salt precipitation its inner pores real time. This study demonstrates eco‐friendly economic solution for sustainable production using nanofiber aerogel‐based evaporators.

Language: Английский

Citations

129

Bioinspired polydopamine hydrogels: Strategies and applications DOI
Yuanting Xu, Junfei Hu, Jingjing Hu

et al.

Progress in Polymer Science, Journal Year: 2023, Volume and Issue: 146, P. 101740 - 101740

Published: Sept. 17, 2023

Language: Английский

Citations

122

Thermal performance of novel form-stable disodium hydrogen phosphate dodecahydrate-based composite phase change materials for building thermal energy storage DOI

Peng Lian,

Ruihan Yan,

Zhiguo Wu

et al.

Advanced Composites and Hybrid Materials, Journal Year: 2023, Volume and Issue: 6(2)

Published: March 24, 2023

Language: Английский

Citations

93

A Molecularly Engineered Zwitterionic Hydrogel with Strengthened Anti‐Polyelectrolyte Effect: from High‐Rate Solar Desalination to Efficient Electricity Generation DOI
Si Yu Zheng, Jiahui Zhou, Mengjie Si

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(43)

Published: June 21, 2023

Abstract Polyzwitterionic hydrogel is an emerging material for solar‐driven water evaporation in saline environment due to its special anti‐polyelectrolyte effect, which a promising approach co‐generation of freshwater and electricity. However, the molecular impact on effect remains unclear, let alone optimize zwitterionic structure promote efficiency high‐salinity brine. Herein, molecularly engineered developed incorporated phenyl‐methylene‐imidazole motif greatly enhances salt binding ability strengthens leading boosted hydration, improved tolerance, ultra‐low enthalpy (almost half traditional gel), durable anti‐microbial Besides, gradient solar‐thermal network penetrated transport channel heat confinement. The gel exhibits excellent rate 3.17 kg m −2 h −1 seawater, 1.6 times that such high could be maintained during 8 continuous desalination, demonstrating outstanding tolerance. flux ion stream can generate considerable voltage (321.3 mV) simultaneously. This work will bring new insights understanding at level materials design evaporation.

Language: Английский

Citations

88

Recent strategies for constructing efficient interfacial solar evaporation systems DOI Creative Commons
Yida Wang, Junqing Hu, Yu Li

et al.

Deleted Journal, Journal Year: 2023, Volume and Issue: 2, P. e9120062 - e9120062

Published: March 8, 2023

Interfacial solar evaporation (ISE) is a promising technology to relieve worldwide freshwater shortages owing its high energy conversion efficiency and environmentally sustainable potential. So far, many innovative materials evaporators have been proposed applied in ISE enable highly controllable efficient solar-to-thermal conversion. With rational design, can achieve excellent management for lowering loss, harvesting extra energy, efficiently utilizing the system improve production. Beyond that, strategy of reducing water vaporization enthalpy by introducing molecular engineering water-state regulation has also demonstrated as an effective approach boost ISE. Based on these, this article discusses nexus two-dimensional (2D) three-dimensional (3D) separately reviews strategies design fabrication systems. The summarized work offers significant perspectives guiding future systems with management, which pave pathways practical applications.

Language: Английский

Citations

85

A polyelectrolyte hydrogel coated loofah sponge evaporator based on Donnan effect for highly efficient solar-driven desalination DOI

Xuechun Wang,

Linjiang Zhang,

Dan Zheng

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 462, P. 142265 - 142265

Published: March 5, 2023

Language: Английский

Citations

77

Self‐Assembled Nanofibrous Hydrogels with Tunable Porous Network for Highly Efficient Solar Desalination in Strong Brine DOI Creative Commons
Hao Li,

Weixin Zhang,

Jiawei Liu

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(47)

Published: Sept. 1, 2023

Abstract Hydrogel‐based solar evaporators (HSEs) emerged as energy‐efficient designs for water purification due to the reduced vaporization enthalpy in hydrated polymeric network. However, it remains challenging HSEs achieve stable performance desalination, partly tradeoff between desired evaporation dynamics and salt tolerance. Here, composite hydrogels with tunable self‐assembled nanofiber networks are exploited engineering of both high resistance accumulation. The nanofibrous hydrogel (NHSEs) present an intrinsic open network porosity, above 90%, enabling continuous channels efficient mass transfer. Theoretical modeling captures complex nexus microstructures by coupling transfer, thermal conduction, during evaporation. mechanistic understanding tuning composites lead optimum configuration NHSEs, which demonstrate a rate 2.85 kg m −2 h −1 desalination 20% brine. outstanding NHSEs underlying design principles may facilitate further development practical systems.

Language: Английский

Citations

64

Multiscale Structural Nanocellulosic Triboelectric Aerogels Induced by Hofmeister Effect DOI
Bin Luo, Chenchen Cai, Tao Liu

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(42)

Published: Aug. 28, 2023

Abstract The advent of self‐powered wearable electronics will revolutionize the fields smart healthcare and sports monitoring. This technological advancement necessitates more stringent design requirements for triboelectric materials. aerogels must enhance their mechanical properties to address issue structural collapse in real‐world applications. study fabricates stiff nanocellulosic with multiscale structures induced by Hofmeister effect. aggregation crystallization polymer molecular chains are enhanced effect, while ice crystal growth imparts a porous structure aerogel at micron scale. Therefore, exhibits exceptional stiffness, boasting Young's modulus up 142.9 MPa specific 340.6 kN m kg –1 , remaining undeformed even after supporting 6600 times its weight. Even withstanding an impact 343 kPa, highly robust sensors fabricated remain operational. Additionally, sensor is capable accurately detecting human movements, particularly abnormal fall postures detection. provides considerable research practical value promoting material broadening application scenarios electronics.

Language: Английский

Citations

61

How to reduce enthalpy in the interfacial solar water generation system for enhancing efficiency? DOI
Xuemin Geng, Peng Yang, Yanfen Wan

et al.

Nano Energy, Journal Year: 2024, Volume and Issue: 123, P. 109434 - 109434

Published: March 1, 2024

Language: Английский

Citations

48