MXene Ti3C2Tx, EGaIn, and Carbon Nanotube Composites on Polyurethane Substrates for Strain Sensing, Electromagnetic Interference Shielding, and Joule Heating DOI
Xinxin Li, Boxin Zhao, Wenjing Qin

et al.

ACS Applied Nano Materials, Journal Year: 2023, Volume and Issue: 6(15), P. 14459 - 14468

Published: July 26, 2023

Developing multifunctional electronic fabrics with sensing capabilities, electromagnetic interference (EMI) shielding, and Joule heating performance holds great significance for health monitoring medical protection. However, most struggle to combine multiple functions optimize them simultaneously. For example, achieving both high sensitivity a wide detection range in devices remains challenge. In this paper, we present multidimensional composite structure comprising MXene Ti3C2Tx nano lamellar, self-assembled lotus leaf-like MXene/EGaIn carbon nanotubes (CNTs) assembled on the surface of thermoplastic polyurethane create EGaIn/MXene CNT fabric (MEMC fabric). The materials form stable conductive network under tension. As strain sensor, MEMC exhibits large (0–360%) ultra-high (GF ∼ 114,700), making it suitable artificial eardrum research. Additionally, demonstrates excellent EMI shielding effect (∼73 dB) maintains good tensile conditions. also showcases outstanding (low voltage drive ∼2 V, fast time ∼13 s, stability ∼4000 s). This paper combination fabrics, simultaneous sensing, stretching. work offers forward-looking approach constructing resulting hold potential applications portable defense industries.

Language: Английский

Recent Research on Preparation and Application of Smart Joule Heating Fabrics DOI

Chunfa Ye,

Longqi Zhao,

Sihui Yang

et al.

Small, Journal Year: 2023, Volume and Issue: 20(18)

Published: Dec. 10, 2023

Abstract Multifunctional wearable heaters have attracted much attention for their effective applications in personal thermal management and medical therapy. Compared to passive heating, Joule heating offers significant advantages terms of reusability, reliable temperature control, versatile coupling. Joule‐heated fabrics make electronics smarter. This review critically discusses recent advances smart fabrics, focusing on various fabrication strategies based material‐structure synergy. Specifically, applicable conductive materials with effect are first summarized. Subsequently, different preparation methods compared, then clothing, healthcare, visual indication discussed. Finally, the challenges faced developing these possible solutions

Language: Английский

Citations

39
MXene‐Layered Double Hydroxide Reinforced Epoxy Nanocomposite with Enhanced Electromagnetic Wave Absorption, Thermal Conductivity, and Flame Retardancy in Electronic Packaging DOI

Luyao Wang,

Xin Li,

Yongxin Qian

et al.

Small, Journal Year: 2023, Volume and Issue: 20(2)

Published: Sept. 11, 2023

Abstract Due to the increased integration and miniaturization of electronic devices, traditional packaging materials, such as epoxy resin (EP), cannot solve electromagnetic interference (EMI) in devices. Thus, development multifunctional materials with superior wave absorption (EMA), high heat dissipation, flame retardancy is critical for current demand. This study employs an in‐situ growth method load layered double hydroxides (LDH) onto transition metal carbides (MXene), synthesizing a novel composite material (MXene@LDH). MXene@LDH possesses sandwich structure exhibits excellent EMA performance, thermal conductivity, retardancy. By adjusting LDH, under synergistic effect multiple factors, dielectric polarization losses, this work achieves remarkable minimum reflection loss (RL) −52.064 dB maximum effective bandwidth (EAB) 4.5 GHz. Furthermore, emerges bridging EP, namely MXene@LDH/EP, leading 118.75% increase conductivity compared EP. Simultaneously, MXene@LDH/EP contributes enhanced resulting 46.5% reduction total release (THR). In summary, provides promising candidate advanced high‐power density packaging.

Language: Английский

Citations

32
Flexible metalized polyimide nonwoven fabrics for efficient electromagnetic interference shielding DOI
Xinwei Tang,

Xu Zhao,

Yezi Lu

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 480, P. 148000 - 148000

Published: Dec. 10, 2023

Language: Английский

Citations

30
MXene: A Roadmap to Sustainable Energy Management, Synthesis Routes, Stabilization, and Economic Assessment DOI Creative Commons

Mumtahina Mim,

Khairul Habib,

Sazratul Nayeem Farabi

et al.

ACS Omega, Journal Year: 2024, Volume and Issue: unknown

Published: July 18, 2024

MXenes with their wide range of tunability and good surface chemistry provide unique distinctive characteristics offering potential employment in various aspects energy management applications. These high-performance materials have attracted considerable attention recent decades due to outstanding characteristics. In the literature, most work is related specific methods for preparation MXenes. this Review, we present a detailed discussion on synthesis through different etching routes involving acids, such as hydrochloric acid, hydrofluoric lithium fluoride, non-acidic alkaline solution, electrochemical, molten salt methods. Furthermore, concise overview structural, optical, electronic, magnetic properties provided corresponding role supporting high thermal, chemical, mechanical, environmental, electrochemical stability. Additionally, maintaining thermal performance photovoltaic systems (PV/T), wearable light heaters, solar water desalination, batteries, supercapacitors also briefly discussed. A techno-economic life cycle analysis analyze sustainability, scalability, commercialization facilitate comprehensive array systems. Lastly, technology readiness level defined, future recommendations are further utilization niche The strives link process economics

Language: Английский

Citations

10
High‐Performance Zn2+‐Crosslinked MXene Fibers for Versatile Flexible Electronics DOI
Xiaohui Cao, Guiqing Wu, Kerui Li

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(46)

Published: July 11, 2024

Abstract The advent of flexible electronics has prompted the development functional fibers with superior mechanical and electrical properties. MXenes, a novel family 2D materials, have variety potential applications in electronics. Herein, wet‐spinning is employed to continuously assemble Ti 3 C 2 T x MXene liquid crystals into macroscopic fibers. Meanwhile, Zn 2+ introduced fiber eliminate electrostatic repulsion between nanosheets enhance interlayer interactions sheet alignment. as‐obtained strong strength (150.7 MPa), high conductivity (3637.9 S cm −1 ), good flexibility that facilitates weaving knotting, making them suitable for fabric‐like devices. sound pressure sensors are woven from fibers, which feature quick response time (286 ms) recovery (642 ms), ultra‐high sensitivity (280.2 kPa low detection limit (0.1 Pa). Sound recording achieved using this sensor. as wearable thermal management devices also demonstrated, exhibiting fast Joule responses cycling stability.

Language: Английский

Citations

7
Electrostatic assembly of charge-modulated MXene and graphene oxide into conductive porous nanohybrids via rapid annealing for EMI shielding DOI Creative Commons
Seung Hee Woo,

Juyun Lee,

Jeong Pil Kim

et al.

Applied Materials Today, Journal Year: 2024, Volume and Issue: 39, P. 102271 - 102271

Published: June 5, 2024

With the proliferation of devices for 5 G communication and advent future mobility, management electromagnetic interference (EMI) has become crucial. While traditional metal-based films exhibit high EMI shielding effectiveness (SE), demand lightweight materials structures energy efficiency is desired in applications. This study presents an approach fabricating electrically conductive porous MXene-reduced graphene oxide (rGO) hybrids with improved performance through electrostatic assembly rapid annealing techniques. Here, GO surface was converted to a positive charge using poly(diallyldimethylammonium chloride) (PDDA) induce negatively charged MXene nanosheets. To extensive simultaneously reduce provide electrical conductivity, MXene-GO hybrid were rapidly annealed at 600 °C. The resulting exhibited significantly X-band Ka-band, SET values increasing by up 20 dB. It also revealed that this increment dominantly contributed increase SEA rather than SER. Furthermore, demonstrated enhanced heat dissipation compared pristine films. We believe our work proposes facile fabrication method developing advanced applications systems.

Language: Английский

Citations

5
Flexible Graphene/MXene Composite Thin Films for High-Performance Electromagnetic Interference Shielding and Joule Heating DOI
Hongling Li, Zhi Kai Ng, Roland Yingjie Tay

et al.

ACS Applied Nano Materials, Journal Year: 2023, Volume and Issue: 6(18), P. 16730 - 16739

Published: Sept. 6, 2023

The development of flexible films with excellent electromagnetic interference (EMI) shielding and enhanced thermal management capabilities is highly desired to meet the ever-growing demands for portable miniaturized electronics. Herein, graphene/MXene (G/M) composite thin unique structure, flexibility, outstanding EMI capability are fabricated by integrating MXene nanosheets a three-dimensional porous graphene film via facile vacuum-assisted filtration method. Notably, obtained G/M thickness 100 μm possesses high effectiveness up 96.3 dB. This remarkable performance attributed synergistic effect between wrinkled structure layer interconnected network film, thereby ensuring electrical conductivity superior mechanical properties. Additionally, polymer-modified shows an electrothermal conversion under low driving voltage. work provides strategy fabricating toward practical applications in next-generation

Language: Английский

Citations

13
Robust and ultra-flexible PVDF composite film towards electromagnetic interference shielding and active personal thermal management DOI

Muhua Yuan,

Haijun Wang

Progress in Organic Coatings, Journal Year: 2024, Volume and Issue: 189, P. 108362 - 108362

Published: March 6, 2024

Language: Английский

Citations

4
Anisotropic Silver Nanowires/Activated Nanofiber Aerogels for Electromagnetic Shielding DOI

Xinxin Cai,

Jiyan Wei,

Fuping Bian

et al.

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(9), P. 10205 - 10215

Published: April 20, 2024

As electronic devices advance, the electromagnetic (EM) interference generated by emission of EM waves persists and intensifies, considerably impacting normal operation equipment human health. To address this issue, microporous composite silver nanowire (AgNWs)/activated nanofiber (ANF) aerogels, endowed with EM-shielding properties, were prepared via liquid nitrogen unidirectional freezing freeze-drying techniques. Hydrogen bonds between carbonyl groups polyvinylpyrrolidone covering surfaces AgNWs amino ANF promoted entanglement ANF. This integration not only improved mechanical properties but also diminished pore dimensions AgNWs/ANF aerogels. In addition, incorporation 50 wt % exceptionally boosted electrical conductivity composite, measuring at 845.5 S/cm, while maintaining a low density 89.4 mg/cm3. Simultaneously, aerogel exhibited an (EMI) shielding effect 31.4 dB, adequately meeting requirements various commercial applications that necessitate EMI shielding. Overall, lightweight possesses promising potential for in electronics communication field.

Language: Английский

Citations

4
A PVDF/MWCNTs/GO@MWCNTs/AgNWs bilayer structured composite film with ultra‐high EMI shielding and conductivity performance DOI

Renyuan Yang,

Yanyan Tan,

Teng Zhou

et al.

Polymer Composites, Journal Year: 2024, Volume and Issue: 45(12), P. 11044 - 11061

Published: May 14, 2024

Abstract Electromagnetic interference (EMI) shielding materials with easy processing, high electrical conductivity, and excellent absorption loss are urgently needed in aerospace, military stealth portable electronic devices. In this study, a polyvinylidene fluoride/multi‐walled carbon nanotubes (PVDF/MWCNTs)‐3 wt% composite film prepared by simple solution mixing polyethylene terephthalate (PET) nonwoven scraping method was used as the substrate, PVDF/MWCNTs/graphene oxide@multi‐walled (PVDF/MWCNTs/GO@MWCNTs) PVDF/MWCNTs/GO@MWCNTs/silver nanowires (PVDF/MWCNTs/GO@MWCNTs/AgNWs) bilayer films were vacuum‐assisted filtration (VAF). When amount of GO@MWCNTs 20 mL, conductivity PVDF/MWCNTs/GO@MWCNTs is 3.5 × 101 S m −1 , total EMI effectiveness (EMI SE T ) 15.5 dB efficiency A 10.7 dB, specific (SSE/T) 539.5 dB/ dB/(cm −2 g). AgNWs 25 PVDF/MWCNTs/GO@MWCNTs/AgNWs 0.47 mm thickness 1.6 10 4 69.1 61.1 SSE/T 2320.0 cm 2 g . The results show that played dominant role mechanism obtained films. addition GO@MWCNTs/AgNWs increases performance more than GO@MWCNTs. This mainly because GO， MWCNTs formed novel three‐dimensional conductive network structure inside due to their hydrogen bonding van der Waals forces, which carrier channels promotes interaction between internal microcurrents electromagnetic waves, achieving purpose attenuating waves. has good potential intelligence applications. Highlights Well‐dispersed highly hydrothermal synthesis. aspect ratio prepared. PVDF‐based 3D synergistic discussed.

Language: Английский

Citations

4