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Advances in Thermal Interface Materials (TIMs) with 2D Fillers

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D1: Advanced Energy Materials".

Deadline for manuscript submissions: closed (28 February 2022) | Viewed by 2348

Special Issue Editor


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Guest Editor
School of Engineering, Faculty of Technology, University of Sunderland, Sunderland SR1 3SD, UK
Interests: 2D materials; nanomaterials; polymer nanocomposites; fiber-reinforced composites; printed and flexible electronics; printing and coating technology; lightweighting; renewable energy; sustainability

Special Issue Information

Dear Colleagues,

Thermal management requirements have been increasing rapidly in the past few decades with the developments in consumer electronics. Faster microprocessors, high-powered LEDs, battery and photovoltaic modules, and 5G communication systems are examples of only some of the applications that require more efficient thermal interface materials (TIMs). We have also seen significant research progress in the last decade in TIMs enhanced by 2D crystals. Graphene and hexagonal boron nitride offer high thermal conductivity, surface area, and aspect ratio etc., which make them some of the most promising nanofillers for the next generation of TIMs.

The aim of this Special Issue is to capture the latest advances in the area of polymer as well as metal matrix composite TIMs enhanced with 2D fillers. Contributions on synergistic property enhancements obtained from 0D and 3D combined with 2D fillers are also welcomed. Hence, we encourage authors to submit details of their latest achievements to this Special Issue. Original research articles, review articles, as well as short communications are invited.

Dr. Panagiotis Karagiannidis
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • graphene
  • boron nitride
  • hybrid fillers including ceramic, e.g., aluminum oxide
  • polymer matrix nanocomposites
  • thermal pastes, adhesive tapes, greases, etc.
  • thermal conductivity
  • adhesion strength, hardness, elastic modulus, tensile strength
  • processing, viscosity, ease of application
  • thermal management
  • thermal percolation
  • synergistic enhancement
  • interfacial resistance
  • compressible interface materials
  • long-term stability and reliability

Published Papers (1 paper)

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Research

17 pages, 3853 KiB  
Article
Thermal Interface Materials with Hexagonal Boron Nitride and Graphene Fillers in PDMS Matrix: Thermal and Mechanical Properties
by Spyridon Fakiridis, Stephen A. Hodge and Panagiotis G. Karagiannidis
Energies 2023, 16(6), 2522; https://0-doi-org.brum.beds.ac.uk/10.3390/en16062522 - 07 Mar 2023
Viewed by 1819
Abstract
This work studies the effects of graphene nanoplatelets (GNPs) and hexagonal boron nitride (hBN) on the thermal and mechanical properties of polydimethylsiloxane (PDMS) matrix for use as thermal interface materials (TIMs). Solution mixing of 10 wt% GNPs and 40 wt% hBN with PDMS [...] Read more.
This work studies the effects of graphene nanoplatelets (GNPs) and hexagonal boron nitride (hBN) on the thermal and mechanical properties of polydimethylsiloxane (PDMS) matrix for use as thermal interface materials (TIMs). Solution mixing of 10 wt% GNPs and 40 wt% hBN with PDMS produced TIMs with through-plane thermal conductivity (TC) of 1.24 W m−1 K−1 showing a 519% increase relative to the neat matrix. A synergistic effect between GNPs and hBN was particularly demonstrated when in samples with 48 wt% total filler content, 8 wt% hBN was replaced by GNPs, and the TC was increased by 33%. The elongation at break of the hBN (40 wt%)/GNP (8 wt%) samples reached 151%, representing a 160% increase when compared to samples with only 40 wt% hBN. Moreover, the shore hardness of samples containing 40 wt% hBN was 68 A, and the introduction of 8 wt% GNPs caused a decrease to 38 A. DSC measurements on samples filled with hBN and GNPs showed a reduction up to 65% in Ultimate Heat of Curing, which was attributed to the presence of graphene flakes interfering with the curing of the matrix. Graphene was found to be an efficient filler in tuning the thermal and mechanical properties of TIMs. Full article
(This article belongs to the Special Issue Advances in Thermal Interface Materials (TIMs) with 2D Fillers)
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