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Preparation and Properties of Graphene/Carbon Fiber/Aramid Electromagnetic Shielding Paper
Received:January 11, 2024  
DOI：10.11980/j.issn.0254-508X.2024.05.010
Key Words:electromagnetic shielding  carbon fiber  graphene  aramid fibers  paper matrix composites
Fund Project:国家重点研发计划（2018YFC1902102）；广东省自然科学基金（2021A1515010538）；制浆造纸国家重点实验室项目（2020ZD02）。
Author NameAffiliationPostcode
WANG Pengyu State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
CHEN Gang State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
WEI Yuan State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
WANG Zi State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
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Abstract:In this paper， graphene/carbon fiber/aramid electromagnetic shielding paper was prepared by combining high-temperature resistant aramid chopped fiber and aramid precipitation fiber as paper-based materials， carbon fiber with excellent conductivity as conductive skeleton， and graphene as electromagnetic shielding reinforcement material. The results showed that the prepared graphene/carbon fiber/aramid electromagnetic shielding paper had a “sandwich structure”. With a thickness of 333.9 μm， the electromagnetic shielding efficiency in X-band was up to 70.3 dB， and the conductivity of 1 685 S/m， and excellent high-temperature resistance and corrosion resistance.
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