Linear Enhanced 3D Nanofluid Force‐Electric Conversion Device

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

Published: Jan. 6, 2025

The inherent trade-off between permeability and selectivity has constrained further improvement of passive linear force-electric conversion performance in nanofluidic pressure sensors. To overcome this limitation, a 3D membrane with high mechanical strength utilizing aramid nanofibers/carbon nanofiber (ANF/CNF) dual crosslinking is developed. Due to the abundant surface functional groups CNF ANF, large-scale integrated exhibits advantages flux, porosity, short ion transport path, demonstrating superior response compared conventional 1D 2D configurations. enhancement mechanism ANF/CNF systematically investigated through experimental results theoretical calculations. optimized device sensitivity 111 nA cm

Language: Английский

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Nanoarchitectonics of a Skin‐Like Polymeric Hydrogel with High Anti‐Swelling and Self‐Adhesion Performance for Underwater Communication

Macromolecular Rapid Communications, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 15, 2025

Hydrogels are flexible materials characterized by a 3D network structure, which possess high water content and adjustable physicochemical properties. They have found widespread applications in tissue engineering, electronic skin, drug delivery, sensors, photothermal therapy. However, hydrogel networks often exhibit swelling behavior aqueous environments, can result structural degradation loss of gel performance. In this study, polyacrylic acid is utilized as the primary structure with incorporation natural polymer chitosan. Furthermore, conductive exhibiting good mechanical strength similar to human skin excellent anti-swelling properties developed integrating phytic into network. The as-prepared hydrogels exhibited maximum pure water, achieving an equilibrium rate 15%. Additionally, dopamine-grafted binder synthesized through coupling reaction enhance adhesion various substrates. demonstrated strong different Whether air or underwater, sensor effectively monitors movement behaviors. utilizing sensing signals send Morse code, facilitate underwater communication. This type anticipated play significant role wearable

Language: Английский

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Engineering higher-order 4f-2p-3d orbital hybridization for enhanced capacitive deionization performance

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 132026 - 132026

Published: Feb. 1, 2025

Language: Английский

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Enhancing lipase enzymatic performance with dynamic covalent dextran-based hydrogels

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 141254 - 141254

Published: Feb. 1, 2025

Language: Английский

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Ion Concentration Gradient Induced Efficient Ion Migration in Hydrogen‐Bonded Organic Frameworks for High‐Performance, Self‐Powered Humidity Sensing

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

Published: March 17, 2025

Abstract As one of the driving forces ion migration, concentration gradients have large untapped potential to improve performance humidity sensors. A self‐powered flexible sensor based on hydrogen‐bonded organic framework electrolytes wherein Na + induce efficient migration is presented that can be attributed reversible effect ambient water molecules barrier . The exhibits superior flexibility, rapid responsiveness, high sensitivity (0.17 µA/% relative humidity), response time (1.06 s), and outstanding stability (>200 cycles). humidity‐responsive device gradient exhibited excellent self‐powering capability, eliminating need for an external power unit demonstrating impressive generation potential, which achieves a current density up 164 mA m −2 5.625 mW This research presents new paradigm developing sensors demonstrates their exceptional in noncontact sensing applications.

Language: Английский

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A general approach of reinforcing hydrogels for salinity-gradient energy harvesting

Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 110898 - 110898

Published: March 1, 2025

Language: Английский

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Synthesis of Mimicking Plant Cell Wall‐Like Anti‐Swelling Hydrogels Based on a “Bottom‐Up” Strategy and Their Application in Osmotic Energy Harvesting

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

Published: March 23, 2025

Abstract Osmotic energy harvesting via reverse electrodialysis (RED) presents a promising approach for converting salinity gradient into usable power. However, the broad implementation of this technology faces significant barriers, including inherent instability conventional ion‐selective membranes, intricacy fabrication techniques, and unresolved environmental challenges. This hydrogel combines structural adhesive properties carboxymethyl cellulose (CMC) double‐bond lignosulfonate sodium (DLS) to enhance antiswelling performance. DLS is functionalized through hydroxyl‐alkyne click reaction, transforming it highly reactive supramolecule. Simultaneously, CMC integrated gel network using choline chloride/acrylic acid deep eutectic solvent, where acrylic acts as both hydrogen bond donor polymerizable monomer. The resulting demonstrates remarkable ion selectivity efficient osmotic harvesting, achieving an ultralow swelling rate 0.385, output power density 10.10 W m − 2 (double commercial benchmark 5.0 ), 99.10%. study underscores potential biomass‐based hydrogels sustainable, high‐performance materials offering viable pathway next‐generation technologies.

Language: Английский

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Hydrogel materials in agriculture: a review

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116385 - 116385

Published: April 1, 2025

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