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Advanced Polymer Nanocomposites for Energy Applications for a Sustainable Environment

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 31 May 2025 | Viewed by 1427

Special Issue Editors


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Guest Editor
Institute of Physical Chemistry “Ilie Murgulescu” of the Romanian Academy, 202 Splaiul Independentei, 060021 Bucharest, Romania
Interests: latent heat storage; phase change materials; multifunctional materials; oxides; composites; DSC; thermal conductivity; raman spectroscopy

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Co-Guest Editor
Polymer Department, National Institute for Research and Development in Chemistry and Petrochemistry-ICECHIM, 202 Spl. Independentei, 060021 Bucharest, Romania
Interests: polymer nanocomposites; multifunctional materials; latent heat storage; shape–stabilized phase change materials; thermal conductivity; DSC characterization
Special Issues, Collections and Topics in MDPI journals

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Co-Guest Editor
Institute of Physical Chemistry, “Ilie Murgulescu” of Romanian Academy, Bucharest, Romania
Interests: thermal characterization (DSC); kinetics of polymer decomposition; IR spectroscopy; DLS

Special Issue Information

Dear Colleagues,

In recent times, there has been an urge to develop and use new materials and technologies for obtaining and storing energy from renewable sources. This exploration is driven by increasing energy demands and the depletion of fossil sources.

The current Special Issue envisages the improvement of energy harvesting, conversion, and storage parameters while considering the circularity of nano-polymer composites.

This Special Issue, “Advanced polymer nanocomposites for energy applications for a sustainable environment”, showcases the recent progress in nanotechnology aimed at the sustainable conversion and storage of energy derived from renewable and waste sources.

Dr. Elena Maria Anghel
Guest Editor

Dr. Cristina Lavinia Nistor
Dr. Cornelia Marinescu
Co-Guest Editors

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. Molecules 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 2700 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

  • polymer nanocomposites
  • multifunctional materials
  • heat storage
  • energy conversion
  • energy harvesting
  • thermal management of batteries
  • characterization
  • applications

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Published Papers (1 paper)

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Review

32 pages, 6349 KiB  
Review
Liquid Metal–Polymer Hydrogel Composites for Sustainable Electronics: A Review
by Abdollah Hajalilou
Molecules 2025, 30(4), 905; https://doi.org/10.3390/molecules30040905 - 15 Feb 2025
Viewed by 990
Abstract
Hydrogels, renowned for their hydrophilic and viscoelastic properties, have emerged as key materials for flexible electronics, including electronic skins, wearable devices, and soft sensors. However, the application of pure double network hydrogel-based composites is limited by their poor chemical stability, low mechanical stretchability, [...] Read more.
Hydrogels, renowned for their hydrophilic and viscoelastic properties, have emerged as key materials for flexible electronics, including electronic skins, wearable devices, and soft sensors. However, the application of pure double network hydrogel-based composites is limited by their poor chemical stability, low mechanical stretchability, and low sensitivity. Recent research has focused on overcoming these limitations by incorporating conductive fillers, such as liquid metals (LMs), into hydrogel matrices or creating continuous conductive paths through LMs within the polymer matrix. LMs, including eutectic gallium and indium (EGaIn) alloys, offer exceptional electromechanical, electrochemical, thermal conductivity, and self-repairing properties, making them ideal candidates for diverse soft electronic applications. The integration of LMs into hydrogels improves conductivity and mechanical performance while addressing the challenges posed by rigid fillers, such as mismatched compliance with the hydrogel matrix. This review explores the incorporation of LMs into hydrogel composites, the challenges faced in achieving optimal dispersion, and the unique functionalities introduced by these composites. We also discuss recent advances in the use of LM droplets for polymerization processes and their applications in various fields, including tissue engineering, wearable devices, biomedical applications, electromagnetic shielding, energy harvesting, and storage. Additionally, 3D-printable hydrogels are highlighted. Despite the promise of LM-based hydrogels, challenges such as macrophase separation, weak interfacial interactions between LMs and polymer networks, and the difficulty of printing LM inks onto hydrogel substrates limit their broader application. However, this review proposes solutions to these challenges. Full article
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