Vertically Aligned Silicon Carbide Nanowires/Boron Nitride Cellulose Aerogel Networks Enhanced Thermal Conductivity and Electromagnetic Absorbing of Epoxy Composites

Pan, Duo; Yang, Gui; Abo‐Dief, Hala M.; Dong, Jingwen; Su, Fengmei; Liu, Chuntai; Li, Yifan; Xu, Ben Bin; Murugadoss, Vignesh; Naik, Nithesh; El‐Bahy, Salah M.; El‐Bahy, Zeinhom M.; Huang, Minan; Guo, Zhanhu

doi:10.1007/s40820-022-00863-z

articleNano-Micro LettersApr 30, 2022DIAMOND OA

Vertically Aligned Silicon Carbide Nanowires/Boron Nitride Cellulose Aerogel Networks Enhanced Thermal Conductivity and Electromagnetic Absorbing of Epoxy Composites

DPDuo Pan GYGui Yang HMHala M. Abo‐Dief JDJingwen Dong FSFengmei Su

Zhengzhou University · Materials Processing (United States) · +6 more institutions

PubMed

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Abstract

Abstract With the innovation of microelectronics technology, the heat dissipation problem inside the device will face a severe test. In this work, cellulose aerogel (CA) with highly enhanced thermal conductivity (TC) in vertical planes was successfully obtained by constructing a vertically aligned silicon carbide nanowires (SiC NWs)/boron nitride (BN) network via the ice template-assisted strategy. The unique network structure of SiC NWs connected to BN ensures that the TC of the composite in the vertical direction reaches 2.21 W m −1 K −1 at a low hybrid filler loading of 16.69 wt%, which was increased by 890% compared to pure epoxy (EP). In addition, relying on unique porous network structure of CA, EP-based…

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Topics & keywords

Topics

Keywords

Aerogel
Materials science
Boron nitride
Composite material
Silicon carbide
Epoxy
Thermal conductivity
Boron carbide

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