Journal ArticleDOI
Flexible and insulating silicone rubber composites with sandwich structure for thermal management and electromagnetic interference shielding
Reads0
Chats0
TLDR
In this article , Fe2O3 particles are deposited on carbon fibers (CF) and then utilized as fillers in boron nitride/silicone rubber (BN/SR) to fabricate sandwich structured [email protected] 2O3/(BN/R) composites.Abstract:
High integration development of electronics requires materials possessing excellent thermal conductivity, electromagnetic interference (EMI) shielding, and electrical insulation. In this work, Fe2O3 particles are deposited on carbon fibers (CF) and then utilized as fillers ([email protected]2O3) in boron nitride/silicone rubber (BN/SR) to fabricate sandwich structured [email protected]2O3/(BN/SR) composites, herein, BN/SR as top & substrate layer, and [email protected]2O3 as middle layer. Orientation of BN in [email protected]2O3/(BN/SR) composites realizes excellent in-plane thermal conductivity coefficient (λ∥), and the core-sheath structure of [email protected]2O3 achieves good EMI shielding performance by the “absorption-reflection (transmittance)-reabsorption” process of electromagnetic waves, insulation modification of CF and the sandwich structure strengthen the electrical insulation. When the amount of BN and [email protected]2O3 are 20.6 wt% and 45.5 wt%, respectively, the λ∥, EMI shielding effectiveness, volume resistance and breakdown strength of [email protected]2O3/(BN/SR) composites reach 3.86 W/(m·K), 37.7 dB, 6.2 × 1014 Ω cm and 26.8 kV/mm, respectively, which are all higher than those of commonly fabricated CF/(BN/SR) composites with same amount of BN and CF (3.83 W/(m·K), 19.4 dB, 8.6 × 1013 Ω cm and 21.4 kV/mm). [email protected]2O3/(BN/SR) composites possess better cooling effect (5.6 °C) than that of commercial silicon grease (QM850) on the testing platform of computer's central processing unit, whose functions are more abundant and have wide application prospects in electronics. read more
Citations
More filters
Journal ArticleDOI
A Perspective for Developing Polymer-Based Electromagnetic Interference Shielding Composites
Yali Zhang,Junwei Gu +1 more
TL;DR: In this paper , three possible directions to break through the above bottlenecks are proposed, including construction of efficient conductive networks, optimization of multi-interfaces for lightweight and multifunction compatibility design.
Journal ArticleDOI
Highly efficient thermal conductivity of polydimethylsiloxane composites via introducing “Line-Plane”-like hetero-structured fillers
TL;DR: In this article , graphite oxide and cetyltrimethylammonium bromide (CTAB) modified multi-walled carbon nanotubes (m-MWCNTs) are utilized to fabricate Line-Plane-like hetero-structured thermally conductive [email protected] fillers by electrostatic self-assembly.
Journal ArticleDOI
The art of framework construction: hollow-structured materials toward high-efficiency electromagnetic wave absorption
Journal ArticleDOI
Current advances of transition metal dichalcogenides in electromagnetic wave absorption: A brief review
Journal ArticleDOI
Recent progress on multifunctional electromagnetic interference shielding polymer composites
TL;DR: In this article , the authors provide detailed insight into the current research status and future challenges in the advancement of polymer-based EMI shielding materials with various functions, and the corresponding critical scientific and technical issues are proposed.
References
More filters
Journal ArticleDOI
Highly Thermally Conductive Yet Electrically Insulating Polymer/Boron Nitride Nanosheets Nanocomposite Films for Improved Thermal Management Capability.
TL;DR: In this article, the authors report advanced polymer nanocomposites containing orientated boron nitride nanosheets (BNNSs), which simultaneously exhibit high thermal conductivity enhancement, excellent electrical insulation, and outstanding flexibility.
Journal ArticleDOI
X-ray photoelectron spectroscopy studies of solvated metal atom dispersed catalysts. Monometallic iron and bimetallic iron-cobalt particles on alumina
Journal ArticleDOI
Lightweight, Flexible Cellulose-Derived Carbon Aerogel@Reduced Graphene Oxide/PDMS Composites with Outstanding EMI Shielding Performances and Excellent Thermal Conductivities.
TL;DR: In this paper, the cellulose carbon aerogel@reduced graphene oxide aerogels (CCA@rGO) and polydimethylsiloxane (PDMS) EMI shielding composites are prepared by backfilling with PDMS.
Journal ArticleDOI
Factors affecting thermal conductivities of the polymers and polymer composites: A review
TL;DR: In this article, a review of thermal conduction mechanisms in polymers and polymer composites is presented, where the effects of different components of polymers on heat transfer are analyzed.
Journal ArticleDOI
MXenes for polymer matrix electromagnetic interference shielding composites: A review
TL;DR: In this paper, the basic performances of two-dimensional layered transition metal carbides, nitride or carbonitrides (MXenes), as well as their precursor MAX are introduced and the influences of different precursor MAX and fabrication methods on the structures and properties of MXenes are summarized.