Poly(Vinylidene Fluoride)/Cu@Ni Anchored Reduced-graphene Oxide Composite Films with Folding Movement to Boost Microwave Absorption Properties
Biao Zhao, Luyang Liang, Zhongyi Bai, Xiaoqin Guo, Rui Zhang, Qinglong Jiang and Zhanhu Guo
1Henan Key Laboratory of Aeronautical Materials and Application Technology, School of Material Science and Engineering, Zhengzhou University of Aeronautics, Zhengzhou, Henan 450046, China.
2 Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto M5S 3G8, Canada.
3 National Engineering Research Center for Advanced Polymer Processing Technology, Key Laboratory of Advanced Materials Processing & Mold (Ministry of Education), Zhengzhou University, Zhengzhou 450002, China
4Department of Chemistry and Physics, University of Arkansas, Pine Bluff, Arkansas 71601, USA
5Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, USA.
# These authors contributed equally to this paper.
Abstract
The influence of reduced graphene oxide (rGO)/Cu@Ni loading and foldable structure on the microwave absorption properties of poly(vinylidene fluoride) (PVDF)/rGO/Cu@Ni composite films was investigated in detail. The microwave absorption properties of the PVDF/rGO/Cu@Ni composite films increased with the rGO/Cu@Ni content increases and then decreased, which was due to the variation of impedance match. Additionally, the foldable structure was found to play a decisive role on the tunable and strong microwave absorption. The minimal reflection loss of -49.1 dB could be obtained for foldable PVDF/20 wt% rGO/Cu@Ni with a thickness of 2.5 mm, and the bandwidth (below -20 dB, 99% dissipation) could reach 6.4 GHz (18.5-19.3 GHz, 20.7-26.5 GHz).
Publication details
Received: 08 May 2021
Revised: 16 Jun 2021
Accepted: 29 Jun 2021
Published online: 29 Jun 2021
Article type:
Research Paper
DOI:
10.30919/esee8c488
Volume:
14
Page:
79-86
Citation:
ES Energy & Environment, 2021, 14, 79-86
Permissions:
Copyright
Number of downloads:
4215
Citation Information:
13
Description:
The flexible PVDF/rGO/Cu@Ni composite film with foldable structure exhibited boosted microwave absor....
The flexible PVDF/rGO/Cu@Ni composite film with foldable structure exhibited boosted microwave absorption performances.
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