Thermally Conductive and UV-EMI Shielding Electronic Textiles for Unrestricted and Multifaceted Health Monitoring

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: May 21, 2024

Skin-attachable electronics have garnered considerable research attention in health monitoring and artificial intelligence domains, whereas susceptibility to electromagnetic interference (EMI), heat accumulation issues, ultraviolet (UV)-induced aging problems pose significant constraints on their potential applications. Here, an ultra-elastic, highly breathable, thermal-comfortable epidermal sensor with exceptional UV-EMI shielding performance remarkable thermal conductivity is developed for high-fidelity of multiple human electrophysiological signals. Via filling the elastomeric microfibers thermally conductive boron nitride nanoparticles bridging insulating fiber interfaces by plating Ag (NPs), interwoven conducting network (0.72 W m

Language: Английский

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Multistrand Twisted Triboelectric Kevlar Yarns for Harvesting High Impact Energy, Body Injury Location and Levels Evaluation

Advanced Science, Journal Year: 2024, Volume and Issue: 11(21)

Published: March 15, 2024

Abstract Developing ultrahigh‐strength fabric‐based triboelectric nanogenerators for harvesting high‐impact energy and sensing biomechanical signals is still a great challenge. Here, the constraints are addressed by design of multistrand twisted Kevlar (MTTK) yarn using conductive non‐conductive fibers. Manufactured twisting process, MTTK offers superior tensile strength (372 MPa), compared to current yarns. In addition, self‐powered impact fabric patch (SP‐ISFP) comprising signal acquisition, processing, communication circuit, yarns integrated. The SP‐ISFP features withstanding (4 GPa) sensitivity response time under high condition (59.68 V GPa −1 ; 0.4 s). Furthermore, multi‐channel smart bulletproof vest developed array 36 SP‐ISFPs, enabling reconstruction mapping assessment body injury location levels real‐time data acquisition. Their potential reduce injuries, professional security, construct multi‐point personal vital signs dynamic monitoring platform holds promise.

Language: Английский

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Continuous preparation of highly robust TPU/CNT conductive aerogel fibers with heterogeneous hierarchical structure for multifunctional applications

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159569 - 159569

Published: Jan. 1, 2025

Language: Английский

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Enhanced thermal conductivity of CS/BN/Ti3O5 coatings to promote electron transport for ultra-sensitive fire sensing

Composites Science and Technology, Journal Year: 2024, Volume and Issue: 253, P. 110664 - 110664

Published: May 17, 2024

Language: Английский

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Microchannels-enabled Vertical Alignment of Hexagonal Boron Nitride in Silicone Rubber Composites to Achieve High Through-plane Thermal Conductivity

Composites Part B Engineering, Journal Year: 2024, Volume and Issue: 290, P. 111965 - 111965

Published: Nov. 12, 2024

Language: Английский

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3D Network of Liquid Metal‐Embedded Graphene via Surface Coating for Flexible Thermal Management

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 3, 2024

Abstract The rapid growth of flexible electronics has led to significant demand for relevant accessories, particularly highly efficient heat dissipators. fluidity liquid metal (LM) makes it a candidate realizing thermal interface materials (TIMs). However, is still challenging combine LM with conductive network achieve the synchronous improvement conductivity and flexibility. In this work, LM@GN/ANF films are made by coating nano‐droplets graphene nanosheets (GN) via sonication, then they combined aramid nanofibers (ANF). film found have 5.67 W m −1 K 24.5% reduction in Young's modulus, making suitable various electronic applications such as wearable devices biosensors.

Language: Английский

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Deep Learning‐Assisted Electro‐Thermochromic Fluorescent Fibers for Self‐Adaptive Intelligent Display in Dynamic Environments

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

Published: Jan. 24, 2025

Abstract Electrochromic fibers adept at miniaturization and seamless integration with the soft dynamically deformed human body, emerge as promising frontrunners in smart displays a new form of wearable visual output devices. However, it remains huge challenge to simultaneously achieve conformal various colors, desirable color‐changing performance, reliable mechanical properties, simple preparation procedure for intelligent display complex information during human‐machine interface. Herein, full‐color electro‐thermochromic fluorescent fast response (<1 s), off–on switching luminescence, good reversibility (>50 cycles), programmable control, are developed on basis self‐crystallinity phase changes Förster resonance energy transfer; performed self‐adaptive (≈2 s) multi‐targets dynamic environments assistance deep learning, by using textile system an example implementation. The work unifies learning make possible bio‐inspired ability, which targets encompass diverse array morphological entities, extending even stimuli like light, scent, temperature, humidity. This fiber presents unprecedented opportunities next‐generation electronics systems, fostering communication adaptability within environments.

Language: Английский

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Sustainably sourced epoxy thermal management composites with simultaneously improved thermal conductivity, dielectric properties and fire safety

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: 508, P. 161023 - 161023

Published: Feb. 26, 2025

Language: Английский

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Flexible Fiber‐Shaped Supercapacitors: Structures, Materials, Fabrication Methods, and Applications

Interdisciplinary materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 13, 2025

ABSTRACT The advent of wearable electronics has generated considerable interest in the development fiber‐shaped supercapacitors (FSCs). FSCs have several applications, such as integration into power fabrics for modular energy storage, coupling with specific devices, forming composite fibers, and combining energy‐harvesting fibers to develop integrated storage‐usage fabrics. This review provides a comprehensive overview based on their fundamental principles, detailing various structural configurations (e.g., parallel, wrapped, twisted, coaxial) substrate materials carbon‐based, polymeric, metallic fibers), along strategies enhancing electrochemical mechanical performance. Furthermore, it outlines large‐scale fabrication techniques, wet spinning, synchronous coupling, direct ink writing, thermal drawing. identifies challenges currently facing research suggests directions future development.

Language: Английский

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Highly Thermally Conductive Boron Nitride Fiber

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

Published: April 14, 2025

Innovative thermal management fiber materials have emerged as a solution to address challenges across diverse fields, ranging from personal comfort and electronic device cooling aerospace engineering. While graphene is known for its higher conductivity over conventional carbon fiber, boron nitride (BN) has received much less attention in one-dimensional form, despite combined high notable insulating properties. Previous studies mainly focused on composite fibers with BN nanosheets embedded polymer matrix. In contrast, pure consequent investigations single-fiber level barely been reported. this study, we report the fabrication of continuous, via polymer-derived ceramic approach thermally conductive fillers. Comprehensive structural characterizations confirm fibers' quality purity without apparent contamination. With big-MEMS method developed, single precisely measured reaches an impressive 54 W m-1 K-1. Furthermore, using stacking-cutting method, resulting vertically aligned fiber-reinforced epoxy demonstrates 24 K-1, showing immense potential usage interface material. This work explores electrically applications.

Language: Английский

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