Facile constructing core-shell F–CIP@O/N-SWCNHs composites for high-performance microwave absorption and anti-corrosion

Lu, Shuiqing; Xie, Zhipeng; Zhang, Da; Liu, Yichang; Peng, Haiyang; Wu, Jianjun; Liang, Feng

doi:10.1016/j.carbon.2024.119632

Carbon

2024

DOI: 10.1016/j.carbon.2024.119632

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Facile constructing core-shell F–CIP@O/N-SWCNHs composites for high-performance microwave absorption and anti-corrosion

Shuiqing Lu,

Zhipeng Xie,

Da Zhang

et al.

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2024

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Cited by 2 publications

References 56 publications

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The Influence of Filler Shape on the Microwave Absorptions of Polyethylene Composites with High Ferroalloy Powder Content

Li,

Cheng

et al. 2024

Adv Eng Mater

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The ferroalloy powder (FeP) with remarkably high‐magnetic permeability and high‐temperature stability has attracted much attention for its potential application in the field of radar stealth. However, achieving high stealth performance in different frequency bands by controlling the shape of iron alloys remains a major challenge. Herein, FeP‐filled high‐density polyethylene composites with different FeP shapes by hot pressing are prepared. This work employs a straightforward vacuum hot‐pressing molding technique to analyze the electromagnetic wave absorption property of composite materials utilizing two distinct forms of FeP as different fillers. It is noted that composites filled with 75 wt% spherical FeP with excellent impedance matching exhibit a minimum reflection loss (RLmin) of −60.75 dB at 12.23 GHz with a thickness of 2.55 mm, and a maximum effective absorption bandwidth of 8.31 GHz at 2.5 mm. While high‐density polyethylene composites filled with 75 wt% flaky FeP obtain the RLmin value at a low frequency of 2 GHz because of the high magnetic loss. This work provides a guideline for developing applications of FeP‐filled composites with different shapes.

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The Influence of Filler Shape on the Microwave Absorptions of Polyethylene Composites with High Ferroalloy Powder Content

Li,

Cheng

et al. 2024

Adv Eng Mater

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A Pomegranate‐Like Nanolayer Featuring A Core‐Shell Architectural Design for Thermal‐Mechanical‐Electromagnetic Responses and Sensor

Fan,

Zhang,

Zhang

et al. 2024

Adv Funct Materials

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Multifunctional electromagnetic wave (EMW) absorbing materials are attracting attention because of their potential applications in medical, livelihood, and military. In this study, a pomegranate‐like nanolayer featuring a core‐shell architecture (PNCS) is prepared using a confinement strategy. Introducing metal atoms into this unique pomegranate‐like design (M‐PNCS, M = Mn, Fe, Co, Ni, and Cu) effectively tuned the electromagnetic response and improved the electromagnetic functions. The Mn‐PNCS composite exhibited the highest electromagnetic absorption. Its reflection loss (RL) reached −62.39 dB with an effective absorption bandwidth (EAB) at 1.8 mm of 6.0 GHz. As the charge transport capacity of the Mn‐PNCS increases, its absorption can be transformed into shielding, with a green shielding index of up to 3.54. On this basis, Mn‐PNCS is used to fabricate a multifunctional film and a new design of strain sensor. This multifunctional film integrated electromagnetic absorption, thermal insulation, hydrophobicity, flexibility, and sensing, thus showing potential for use in wearable electromagnetic protective clothing. In addition, the sensors in the simulation design achieved strain sensing through the coupling effect between the Mn‐PNCS patterns. These findings demonstrate that Mn‐PNCS is an excellent multifunctional material with potential applications in the technical fields of EMW absorption, electromagnetic shielding, and wearable devices.

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Facile constructing core-shell F–CIP@O/N-SWCNHs composites for high-performance microwave absorption and anti-corrosion

Cited by 2 publications

References 56 publications

The Influence of Filler Shape on the Microwave Absorptions of Polyethylene Composites with High Ferroalloy Powder Content

The Influence of Filler Shape on the Microwave Absorptions of Polyethylene Composites with High Ferroalloy Powder Content

A Pomegranate‐Like Nanolayer Featuring A Core‐Shell Architectural Design for Thermal‐Mechanical‐Electromagnetic Responses and Sensor

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