Structured carbon for electromagnetic shielding and microwave absorption from carbonization of waste Polymer: A review

Chemical Engineering Journal, Год журнала: 2024, Номер 496, С. 154013 - 154013

Опубликована: Июль 14, 2024

Язык: Английский

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Multi‐Scale Dispersion Engineering on Biomass‐Derived Materials for Ultra‐Wideband and Wide‐Angle Microwave Absorption

Small Methods, Год журнала: 2024, Номер 8(12)

Опубликована: Март 21, 2024

Abstract Efficient electromagnetic waves (EMWs) absorbing materials play a vital role in the electronic era. In traditional research on microwave (MA) materials, synergistic modulation of material dispersion and structural EMWs by incorporating multi‐scale effects has frequently been overlooked, resulting an untapped absorption potential. this study, customization method based biomass carbon is determined quantitative analysis. The study carries out thermodynamic skeleton, micro‐nano porous engineering, phosphorus atom donor doping turn. dielectric properties are improved step step. terms design, inspired theory antenna reciprocity, Vivaldi antenna‐like absorber innovatively proposed. With effective combination engineering 3D printing technology, ultra‐wideband 36.8 GHz angular stability close to 60 ° under dual polarization successfully realized. work breaks deadlock mutual constraints between wave impedance attenuation rate through methods multiple scales, unlocking potential for designing next‐generation broadband wide‐angle absorbers.

Язык: Английский

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Facile preparation of ZIF-8/ZIF-67-derived biomass carbon composites for highly efficient electromagnetic wave absorption

Chinese Chemical Letters, Год журнала: 2024, Номер 35(9), С. 109835 - 109835

Опубликована: Март 26, 2024

Язык: Английский

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MoS₂-Based Nanocomposites for Microwave Absorption: A Review

ACS Applied Nano Materials, Год журнала: 2024, Номер 7(6), С. 5761 - 5775

Опубликована: Март 1, 2024

Molybdenum disulfide (MoS2), as a two-dimensional material, has potential application prospect in microwave absorption, electromagnetic shielding, energy storage, electrochemistry, and other fields due to its unique structure, excellent electrical conductivity, abundant surface area, good mechanical strength. In this paper, the absorbing properties of MoS2-based composites are reviewed objectively, recent research achievements progress dielectric loss type magnetic summarized. Then, absorption mechanism is systematically analyzed terms loss. At same time, materials current social needs summarized including military radar stealth civil electronic communication. addition, challenges bottlenecks future development absorber also presented.

Язык: Английский

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Freeze-Cast Ni-MOF Nanobelts/Chitosan-Derived Magnetic Carbon Aerogels for Broadband Electromagnetic Wave Absorption

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер unknown

Опубликована: Апрель 16, 2024

The exceptional benefits of carbon aerogels, including their low density and tunable electrical characteristics, infuse new life into the realm creating ultralight electromagnetic wave absorbers. clever conceptualization straightforward production carbon-based which marry aligned microporous architecture with nanoscale heterointerfaces atomic-scale defects, are vital for effective multiscale microwave response. We present an uncomplicated synthesis method crafting porous Ni@C nanobelts anchored on N, S-doped aerogels (Ni@C/NSCAs), featuring structural intricacies─achieved through pyrolysis freeze-cast Ni-MOF chitosan aerogel composites. well-ordered configuration, combined multiple adopting a "nanoparticles-nanobelts-nanosheets" contact schema, along wealth adeptly modulates conductive, polarization, magnetic losses to realize equilibrium in impedance matching. This magnetically doped showcases impressive absorption bandwidth 8.96 GHz minimum reflection loss -68.82 dB, while maintaining exceptionally filler content 1.75 wt %. Additionally, applied coating exhibits astonishing radar cross-section reduction 51.7 dB m2, signifying its superior scattering capabilities. These results offer key insights attainment broad-spectrum features by enhancing structure current aerogels.

Язык: Английский

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From structure to function: innovative applications of biomass carbon materials in microwave absorption

Advanced Composites and Hybrid Materials, Год журнала: 2024, Номер 7(6)

Опубликована: Окт. 31, 2024

Язык: Английский

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Optimization of CoFe₂O₄ nanoparticles and graphite fillers to endow thermoplastic polyurethane nanocomposites with superior electromagnetic interference shielding performance

Nanoscale Advances, Год журнала: 2024, Номер 6(8), С. 2149 - 2165

Опубликована: Янв. 1, 2024

TPU-based nanocomposites containing graphite and CoFe 2 O 4 nanoparticles for EMI shielding application.

Язык: Английский

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Three-in-one novel flame retardant through grafting organophosphorus onto Fe-MOF functionalized Mg(OH)2 for improving fire safety and mechanical properties of PBS composites

Sustainable materials and technologies, Год журнала: 2024, Номер 40, С. e00906 - e00906

Опубликована: Март 19, 2024

Язык: Английский

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Preparation and microwave absorption properties of CoFe2O4/NiCo2O4 composite powders

Ceramics International, Год журнала: 2023, Номер 50(6), С. 9779 - 9788

Опубликована: Дек. 26, 2023

Язык: Английский

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Modulating morphologies and electromagnetic wave absorption performances of 3d-4f PBA derivatives with transition metal ions

Carbon, Год журнала: 2024, Номер 228, С. 119315 - 119315

Опубликована: Июнь 6, 2024

Язык: Английский

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