Highly thermally conductive composite films by the rational assembly of aramid nanofibers with low-dimensional nanofillers

Liang, Xuyun; Chen, Gaofa; Wu, Qingshan; Zhang, Haichen; Zhong, Rongjian; Zeng, Xianghong; Hu, Dechao; Lin, Jing

doi:10.1016/j.jmrt.2024.04.095

Journal of Materials Research and Technology

2024

DOI: 10.1016/j.jmrt.2024.04.095

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Highly thermally conductive composite films by the rational assembly of aramid nanofibers with low-dimensional nanofillers

Xuyun Liang,

Gaofa Chen,

Qingshan Wu

et al.

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2024

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Cited by 3 publications

References 149 publications

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Highly thermally conductive BNNS/PANF dielectric composite boards prepared by a facile compression moulding process

Zhao,

Wu,

Han

et al. 2024

Composite Structures

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Highly thermally conductive BNNS/PANF dielectric composite boards prepared by a facile compression moulding process

Zhao,

Wu,

Han

et al. 2024

Composite Structures

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Preparation and infrared shielding of polyaniline@MWCNTs flexible electrochromic device based on cotton fabric

Li,

Jiang,

Lin

et al. 2024

Synthetic Metals

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Nacre-like Anisotropic Multifunctional Aramid Nanofiber Composites for Electromagnetic Interference Shielding, Thermal Management, and Strain Sensing

Dong,

Lin,

Zhang

et al. 2024

Molecules

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Developing multifunctional flexible composites with high-performance electromagnetic interference (EMI) shielding, thermal management, and sensing capacity is urgently required but challenging for next-generation smart electronic devices. Herein, novel nacre-like aramid nanofibers (ANFs)-based composite films with an anisotropic layered microstructure were prepared via vacuum-assisted filtration and hot-pressing. The formed 3D conductive skeleton enabled fast electron and phonon transport pathways in the composite films. As a result, the composite films showed a high electrical conductivity of 71.53 S/cm and an outstanding thermal conductivity of 6.4 W/m·K when the mass ratio of ANFs to MXene/AgNWs was 10:8. The excellent electrical properties and multi-layered structure endowed the composite films with superior EMI shielding performance and remarkable Joule heating performance, with a surface temperature of 78.3 °C at a voltage of 2.5 V. Additionally, it was found that the composite films also exhibited excellent mechanical properties and outstanding flame resistance. Moreover, the composite films could be further designed as strain sensors, which show great promise in monitoring real-time signals for human motion. These satisfactory results may open up a new opportunity for EMI shielding, thermal management, and sensing applications in wearable electronic devices.

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Highly thermally conductive composite films by the rational assembly of aramid nanofibers with low-dimensional nanofillers

Cited by 3 publications

References 149 publications

Highly thermally conductive BNNS/PANF dielectric composite boards prepared by a facile compression moulding process

Highly thermally conductive BNNS/PANF dielectric composite boards prepared by a facile compression moulding process

Preparation and infrared shielding of polyaniline@MWCNTs flexible electrochromic device based on cotton fabric

Nacre-like Anisotropic Multifunctional Aramid Nanofiber Composites for Electromagnetic Interference Shielding, Thermal Management, and Strain Sensing

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