Unlocking osmotic energy harvesting potential in challenging real-world hypersaline environments through vermiculite-based hetero-nanochannels

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Jan. 19, 2024

Abstract Nanochannel membranes have demonstrated remarkable potential for osmotic energy harvesting; however, their efficiency in practical high-salinity systems is hindered by reduced ion selectivity. Here, we propose a dual-separation transport strategy constructing two-dimensional (2D) vermiculite (VMT)-based heterogeneous nanofluidic system via an eco-friendly and scalable method. The cations are initially separated enriched micropores of substrates during the transmembrane diffusion, followed secondary precise sieving ultra-thin VMT laminates with high flux. Resultantly, our demonstrates efficient harvesting performance, especially hypersaline environment. Notably, achieve maximum power density 33.76 W m −2 , 6.2-fold improvement ten-fold increase salinity gradient, surpassing state-of-the-art nanochannel under challenging conditions. Additionally, confirm generation using various natural salt-lake brines, achieving 25.9 . This work triggers hopes blue conversion advanced nanoarchitecture.

Language: Английский

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Light-responsive and ultrapermeable two-dimensional metal-organic framework membrane for efficient ionic energy harvesting

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: March 8, 2024

Abstract Nanofluidic membranes offer exceptional promise for osmotic energy conversion, but the challenge of balancing ionic selectivity and permeability persists. Here, we present a bionic nanofluidic system based on two-dimensional (2D) copper tetra-(4-carboxyphenyl) porphyrin framework (Cu-TCPP). The inherent nanoporous structure horizontal interlayer channels endow Cu-TCPP membrane with ultrahigh ion allow power density 16.64 W m −2 , surpassing state of-the-art nanochannel membranes. Moreover, leveraging photo-thermal property Cu-TCPP, light-controlled active transport is realized even under natural sunlight. By combining solar salinity gradient, driving force reinforced, leading to further improvements in conversion performance. Notably, light could eliminate need achieving 0.82 symmetric solution system. Our work introduces new perspective developing advanced solar/ionic extends concept notion energy.

Language: Английский

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Bioinspired 2D nanofluidic membranes for energy applications

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(5), P. 2300 - 2325

Published: Jan. 1, 2024

Bioinspired 2D nanofluidic membranes enable efficient and selective ion transport. Further research in this area is essential to facilitate the development of high-performance energy conversion storage devices for a sustainable future.

Language: Английский

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MXene Membranes Inserted with Tannic Acid Etched MOF Nanocrystals for Ultrafast Water Permeation: Elucidating the Water Transport Mechanism in Nanoconfined Interlaminar Channels

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

Published: Feb. 5, 2025

Utilizing pore and interlayer engineering within nanoconfined interlaminar channels represents an ingenious approach to design highly permselective MXene (Ti3C2TX) membranes. Herein, the tannic acid (TA) etched ZIF-8 (TZIF-8) nanocrystals with hollow structures were effectually inserted into spacing of First, density functional theory (DFT) results demonstrated reaction mechanism between TA ZIF-8. Then, underlying enhanced water-adsorptive properties for MXene/TZIF-8 membrane was due higher binding energy water/TZIF-8 system than that water/ZIF-8 system, elucidated by molecular dynamic simulation. Furthermore, low mass transfer resistance abundant pathways comprehensively proved various experimental conclusions, characterizations simulation calculations. As a result, optimal exhibited high water permeance concurrently satisfactory separation efficacy toward oil/water emulsions. This work is anticipated deepen comprehension high-efficiency transport along interbedded nanochannels in

Language: Английский

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Nanomaterials‐Based Nanochannel Membrane for Osmotic Energy Harvesting

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(4)

Published: Oct. 12, 2023

Abstract Harvesting clean and renewable osmotic energy through reverse electrodialysis (RED) technology offers a promising solution to address crisis problems. The development of nanochannel membranes constructed from diverse nanomaterials plays crucial role in enabling efficient conversion. In this review, first an overview the mechanism RED process is provided physicochemical properties nanomaterials, covering 0D, 1D, 2D conversion performances membranes. Then, relationship between chemical structural features specifically highlighted, including surface charge property geometric structure, efficiency. Additionally, introduction external stimuli, such as light, temperature, pH, pressure, changes electrolyte environments, are also discussed. Finally, research directions future challenges field harvesting using based on presented. focus refining mechanism, well optimizing structure design.

Language: Английский

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Two-dimensional graphene oxide/MXene lamellar membrane cross-linked by urea with adjustable interlayer spacing for efficient dye rejection and ion sieving

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 480, P. 148009 - 148009

Published: Dec. 9, 2023

Language: Английский

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Efficient osmotic energy recovery from organic wastewater using a two-dimensional porphyrin-based metal-organic frameworks membrane

Journal of Membrane Science, Journal Year: 2024, Volume and Issue: 694, P. 122421 - 122421

Published: Jan. 4, 2024

Language: Английский

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Ion and Water Transport in 2D Nanofluidic Channels

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(30)

Published: Feb. 23, 2024

Abstract Two‐dimensional (2D) lamellar membranes, featuring organized nanochannels, tunable interlayer spacing, and modifiable chemical properties, are emerging as promising candidates for both theoretical research practical applications. Rational design regulation of the physical/chemical properties nanofluidic channels well manipulation external factors crucial to achieve desirable performance applications related mass transport. Focusing on recent advances in ion water transport within 2D channels, this work gives a brief overview fabrication membranes based strategy exfoliation reconstruction. Then phenomena along with mechanisms influential highlighted. The representative also covered, especially areas osmotic energy conversion, purification desalination, single‐ion separation extraction. It is concluded discussion current challenges future perspectives potential field.

Language: Английский

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“Ion-cage” structure of graphene oxide membranes with stable interlayer spacings towards efficient desalination

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 336, P. 126296 - 126296

Published: Jan. 7, 2024

Language: Английский

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Inorganic layered polymeric membranes: Highly-ordered porous ceramics for surface engineering of polymeric membranes

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 350, P. 127925 - 127925

Published: May 11, 2024

Language: Английский

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