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- Title
Enhanced Thermal Conductivity and Dielectric Properties of Epoxy Composites with Fluorinated Graphene Nanofillers.
- Authors
Zhang, Jiacheng; Wang, Zi; Jiang, Guoqing; Wei, Huachao; Zhang, Zongxi; Ren, Junwen
- Abstract
The demand for high-performance dielectrics has increased due to the rapid development of modern electric power and electronic technology. Composite dielectrics, which can overcome the limitations of traditional single polymers in thermal conductivity, dielectric properties and mechanical performance, have received considerable attention. In this study, we report a multifunctional nanocomposite material fabricated by blending fluorinated graphene (F-graphene) with epoxy resin. The F-graphene/epoxy composite exhibited a high thermal conductivity of 0.3304 W·m−1·K−1 at a low filler loading of 1.0 wt.%, which was 67.63% higher than that of pure epoxy. The composite dielectric also showed high breakdown strength (78.60 kV/mm), high dielectric constant (8.23), low dielectric loss (<0.015) and low AC conductivity (<10−11 S·m−1). Moreover, the composite demonstrated high thermal stability and strong mechanical strength. It is believed that the F-graphene/epoxy composite has outstanding performance in various aspects and can enable the development and manufacturing of advanced electric power and electronic equipment devices.
- Subjects
DIELECTRIC properties; ELECTRIC power equipment; ELECTRIFICATION; EPOXY resins; GRAPHENE; DIELECTRIC loss
- Publication
Nanomaterials (2079-4991), 2023, Vol 13, Issue 16, p2322
- ISSN
2079-4991
- Publication type
Article
- DOI
10.3390/nano13162322