Electromagnetic Interference (EMI) Shielding Composites

A special issue of Journal of Composites Science (ISSN 2504-477X). This special issue belongs to the section "Composites Manufacturing and Processing".

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 2854

Special Issue Editor


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Guest Editor
Institute of Advanced Composite Materials, KIST (Korea Institute of Science and Technology), Seoul 02792, Korea
Interests: fiber reinforced polymer composite; radar absorbing structure; adhesive bonding; carbon composite; manufacturing process

Special Issue Information

Dear Colleagues,

Electromagnetic pollution, known as electromagnetic interference (EMI), has increased and will continue to do so, reaching higher levels because of the wide proliferation of electrical/electronic products and battery-based electric vehicles. The most common use of EMI shielding is for the reflection of metal-based materials; however, it has inherent disadvantages such as its heavy weight, high corrosion, and high cost. The development of light-weight and cost-effective EMI shielding materials is a priority that must be solved for the development of electric vehicles and micro-electronic devices.

Recently, conductive or magnetic filler (carbon fiber, carbon black, carbon-nano tube, graphene, metal particle, etc.) incorporated polymer composites have been widely used for EMI shielding materials for replacing metal. EMI shielding can be achieved through the reflection or absorption of incident EM waves, as well as through mechanisms such as destructive interference between reflected waves (radar absorbing structure (RAS)) or multiple reflections within composites. To enhance the performance of these EMI shielding composites, the synthesis of nano-fillers, dispersion and mixing methods of fillers, fabrication processes, and structural design of composites are comprehensively being researched.

The main aim of this Special Issue is to collect various studies about investigations into the development of EMI shielding composites. The submitted studies can deal with EMI shielding fillers, polymer matrix, structure and fabrication processes of the composites, etc. Research on radar absorbing structure (RAS) using destructive interference or multi-layer structures for multiple reflections is also welcome.

Dr. Minkook Kim
Guest Editor

Manuscript Submission Information

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Keywords

  • Electromagnetic interference
  • EMI shield
  • Radar absorbing
  • Conductive fillers
  • Polymer composites

Published Papers (1 paper)

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Review

23 pages, 5609 KiB  
Review
Progressive Review of Functional Nanomaterials-Based Polymer Nanocomposites for Efficient EMI Shielding
by Prashanth Kallambadi Sadashivappa, Revathi Venkatachalam, Ramyakrishna Pothu, Rajender Boddula, Prasun Banerjee, Ramachandra Naik, Ahmed Bahgat Radwan and Noora Al-Qahtani
J. Compos. Sci. 2023, 7(2), 77; https://doi.org/10.3390/jcs7020077 - 13 Feb 2023
Cited by 6 | Viewed by 2463
Abstract
Nanomaterials have assumed an imperative part in the advancement of human evolution and are more intertwined in our thinking and application. Contrary to the conventional micron-filled composites, the unique nanofillers often modify the properties of the polymer matrix at the same time, bestowing [...] Read more.
Nanomaterials have assumed an imperative part in the advancement of human evolution and are more intertwined in our thinking and application. Contrary to the conventional micron-filled composites, the unique nanofillers often modify the properties of the polymer matrix at the same time, bestowing new functionality because of their chemical composition and their nano dimensions. The unprecedented technological revolution is driving people to adapt to miniaturized electronic gadgets. The sources of electromagnetic fields are ubiquitous in a tech-driven society. The COVID-19 pandemic has escalated the proliferation of electromagnetic interference as the world embraced remote working and content delivery over mobile communication devices. While EMI shielding is performed using the combination of reflection, absorption, and electrical and magnetic properties, under certain considerations, the dominant nature of any one of the properties may be required. The miniaturization of electronic gadgets coupled with wireless technologies is driving us to search for alternate lightweight EMI shielding materials with improved functionalities relative to conventional metals. Polymer nanocomposites have emerged as functional materials with versatile properties for EMI shielding. This paper reviews nanomaterials-based polymer nanocomposites for EMI shielding applications. Full article
(This article belongs to the Special Issue Electromagnetic Interference (EMI) Shielding Composites)
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