Thermally stabilized polyacrylonitrile for flexible triboelectric devices operating from −29 °C to 400 °C DOI Creative Commons

Yide Zheng,

Rui Mao, Beilei Liu

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 164573 - 164573

Published: June 1, 2025

Language: Английский

Scalable Asymmetric Fabric Evaporator for Solar Desalination and Thermoelectricity Generation DOI Creative Commons
Zhuan Fu, Dandan Zhong, Sijie Zhou

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 20, 2024

Abstract The integration of solar interfacial evaporation and power generation offers a sustainable solution to address water electricity scarcity. Although water‐power cogeneration schemes are proposed, the existing lack scalability, flexibility, convenience, stability. These limitations severely limit their future industrial applications. In this study, we prepared hybrid fabric composed basalt fibers cotton yarns with asymmetric structure using textile weaving technology. yarn in lower layer facilitates transport, while upper enable thermal localization supply balancing. carbon black is deposited on top by flame burning facilitate photothermal conversion. exhibits high rate 1.52 kg m −2 h −1 , which 3.6 times that pure water, an efficiency 88.06% under 1 kW light intensity. After assembly thermoelectric module, system achieves maximum output density 66.73 mW . By exploiting scalability fabric, large‐scale desalination production can be achieved outdoor environments. This study demonstrates seamless fabric‐based waste heat‐to‐energy technologies, thereby providing new avenues for development scalable stable systems.

Language: Английский

Citations

14

Aramid Triboelectric Materials: Opportunities for Self‐Powered Wearable Personal Protective Electronics DOI
Mingchao Chi, Chenchen Cai, Yanhua Liu

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 23, 2024

Abstract The seamless integration of advanced triboelectric nanogenerators with fiber material has propelled the rapid advancement intelligent wearable electronics. overheating and mechanical abrasion associated prolonged operation poses a significant challenge for conventional fiber‐based materials. Aramid fibers, characterized by high thermal stability, ultra‐high strength, excellent insulating properties, can effectively compensate limitations However, intrinsic advantages aramid materials their general structural design strategies have not yet to be comprehensively elucidated. In this review, synthesis methods development history in recent years are summarized. Importantly, unique potential fibers as systematically discussed, particularly regarding high‐temperature resistance, electrical insulation. Furthermore, latest advancements performance modulation presented. self‐powered electronics warning, impact monitoring, human energy harvesting Finally, challenges opportunities facing future discussed.

Language: Английский

Citations

10

Thermally Robust Aramid Triboelectric Materials Enabled by Heat‐Induced Cross‐Linking DOI
Zhiwei Wang, Di Wu, Mingchao Chi

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 9, 2024

Abstract The rapid development of the Internet Things has led to numerous functional electronic devices, making it a significant challenge provide power for these distributed devices. Triboelectric self‐power technology is ideal smart devices due its material diversity and high energy efficiency. However, traditional triboelectric materials have weak electrostatic induction their low dielectric constant. Additionally, thermionic emission effect reduces electric output in temperatures, limiting applications. This study designes thermally robust aramid with constant through heat‐induced cross‐linking heterogeneous interface engineering. novel not only achieves but also maintains performance across wide temperature range. process enhances interaction between nanofibers Al 2 O 3 nanosheets, significantly improving electrical performance, flame retardance material, relative increases 16‐fold. nanogenerator constructed this density 3.97 W m −2 , at 260 °C. Finally, self‐powered detection system collects high‐temperature gas drives sensors designed. research presents strategy high‐performance materials, showing potential

Language: Английский

Citations

9

Impact of Pentaerythritol (Core), Dimethylol Butanoic Acid (Monomer) Based Second Generation Aliphatic Hyperbranched Polymer on the Tribonegative Performance of Polyvinylidene Fluoride DOI Open Access

Nitin Mohan,

Jae Uk Yoon, Bindhu Amrutha

et al.

Advanced Sustainable Systems, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 7, 2025

Abstract The triboelectric nanogenerator (TENG) is an eminent technology and has become a promising solution for the existing energy crises. Several methods are investigated to enhance TENG output performance. Herein, novel pentaerythritol (core) dimethylol butanoic acid (monomer)‐based hyperbranched polymer of second generation (HBP‐G2) fabricated by facile single‐step polycondensation technique. Further, different weight percentages (5, 10, 15, 20 wt%) HBP‐G2‐blended polyvinylidene fluoride (PVDF)‐based nanofibers (NFs) prepared using traditional electrospinning HBP‐G2 electrospun NFs characterized scanning electron microscope (SEM)/energy dispersive spectroscopy (EDS), Fourier‐transform infrared (FTIR), X‐ray diffraction (XRD)light emitting diodes studies. effect on performance PVDF evaluated in terms open circuit potential (V oc ) short current (I sc aluminium as counter electrode. Among all, wt% PVDF/HBP‐G2 shows superior V 241 (ten times neat NF) I 5.3 µA (six NF). optimized device (PVDF/G2‐PA‐20) exhibits peak power density 0.17 Wm −2 at applied load resistance 100 MΩ. Finally, real‐time feasibility proposed successfully demonstrated harvest mechanical such operating calculators lightning 36 light (LEDs)https://doi.org/10.1016/j.matpr.2023.02.087.

Language: Английский

Citations

1

Zinc Oxide Nanowire‐Enhanced Interlocking Interfaces in Mechanically Robust Basalt Fiber/Epoxy Lamellar Composites DOI
Tongrui Zhang, Chun Zhang, Rui Han

et al.

Journal of Applied Polymer Science, Journal Year: 2025, Volume and Issue: unknown

Published: April 11, 2025

ABSTRACT The contradiction between the widespread application of basalt fibers (BFs) and their poor interfacial interaction with polymers has become an urgent issue for preparation BF/thermosetting polymer composites. In this study, zinc oxide (ZnO) nanofibers were successfully grown on surface BFs through a modification process involving polydopamine (PDA) coating, followed by two‐step hydrothermal method to create interlocking structure. As result, modified epoxy resin was significantly enhanced, as evidenced increase in shear strength from 13.3 22.4 MPa, greatly improving mechanical properties resulting composite. impact toughness flexural composites increased 46.4 kJ/m 2 278.4 MPa 59.6 347.5 respectively. This not only addresses weak expand potential BFs, but also provides effective strategy other inorganic enhance polymer.

Language: Английский

Citations

0

High Performance Fibers-Based Space Structure and Manufacturing Materials DOI Creative Commons
Yang Zhao, Cheng Han

Chinese Journal of Space Science, Journal Year: 2025, Volume and Issue: 45(2), P. 1 - 1

Published: Jan. 1, 2025

Language: Английский

Citations

0

ZIF-8-modified lyocell fiber/basalt fiber composite paper with tunable triboelectric properties for high-performance air filtration DOI
Mingcheng Gao, Ze-Xin Chen, Huijun Li

et al.

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 133270 - 133270

Published: May 1, 2025

Language: Английский

Citations

0

Wireless Motion Variability Analysis with Integrated Triboelectric Textiles via Displacement Current DOI Creative Commons
Yinghong Wu, Sunil Kumar Sailapu,

Chiara Spasiano

et al.

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

Published: May 23, 2025

Triboelectric textiles have recently garnered significant attention for their ability to detect and analyze body movements. However, the transmission of wireless signals from natural human motion via integrated triboelectric wearables has been hampered by reliance on nontextile components, physical interface spacers, wired connections. Here, we report a biosensing wearable system that exploits inherent microgaps within electrospun nanofibers create textile, seamlessly woven into garment at various positions. This design enables untethered continuous biosignal monitoring, including those indicative stride-time variability joint-time analysis daily activities exercise. Signals are wirelessly transmitted displacement current─enhanced textile inductor─to an external reader. innovation signal directly garments without need energy sources. work advances development fully textile-based sensors contributing next-generation tracking, health smart clothing technologies.

Language: Английский

Citations

0

Robust Self‐Healing Polyurethane‐Based Solid‐State Ion‐Conductive Elastomers with Exceptional Strength and Ionic Conductivity for Multifunctional Strain Sensors and Triboelectric Nanogenerators DOI
Changsheng Wang, Xiwei Xu, Ziqian Wang

et al.

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

Published: May 26, 2025

Abstract Flexible ionic conductors hold potential for wearable sensors and energy harvesting. However, most gel‐based suffer from solvent evaporation liquid leakage, limiting practical applications. Although solid‐state mitigate these issues, achieving strong mechanics, high conductivity, self‐healing, stability remains challenging. Here, by integrating supramolecular engineering dynamic covalent adaptive networks, a self‐healing polyurethane‐based ion‐conductive elastomer (DACPU/100Li) with outstanding overall properties is successfully synthesized. DACPU/100Li exhibits ultrahigh conductivity (1.23 × 10 − 3 S cm −1 ) tensile strength (7.62 MPa), along an elongation at break of 1200%. Additionally, it excellent tear resistance fracture 45.6 kJ m 2 , 96% efficiency (after 120 °C 24 h), good recyclability, under extreme conditions. The DACPU/100Li‐based sensor has sensitivity (5.89) wide strain range (0.1–1000%). Integrated machine learning, enables precise gesture recognition human–machine interaction. Furthermore, the triboelectric nanogenerator based on achieves power density 3.87 W . It harvests body motion to small devices aids object via learning. believed that elastomers provide new opportunities electronics, harvesting, ionotronics.

Language: Английский

Citations

0

Multifunctional Organic-Inorganic Basalt Fiber/Alginate Fiber Composite Paper for Flame Retardancy and Sound Insulation DOI
Fang Liu, Shuai Liu,

Lirui Shi

et al.

Composites Communications, Journal Year: 2025, Volume and Issue: unknown, P. 102481 - 102481

Published: May 1, 2025

Language: Английский

Citations

0