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Nanomaterials
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Advanced Ceramics and Polymer Nanocomposites for Energy Storage
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Advanced Ceramics and Polymer Nanocomposites for Energy Storage

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanocomposite Materials".

Deadline for manuscript submissions: closed (20 February 2026) | Viewed by 918

Special Issue Editors

Dr. Sílvia Soreto Teixeira

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Guest Editor
Physics Department, University of Aveiro, 3810-193 Aveiro, Portugal
Interests: ferrites; polymers; composites; electrical and magnetic material’s properties; energy storage; magnetic hyperthermia; electric field-assisted sintering
Special Issues, Collections and Topics in MDPI journals
Dr. Susana Devesa

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Guest Editor
CEMMPRE, ARISE, Department of Mechanical Engineering, University of Coimbra, Rua Luís Reis Santos, 3030-788 Coimbra, Portugal
Interests: functional coatings; thin films; corrosion; wear
Special Issues, Collections and Topics in MDPI journals
Dr. Manuel Pedro Fernandes Graça

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Guest Editor
i3N and Department of Physics, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
Interests: solid state physics (electrical and magnetic properties of materials); biomaterials; niobium oxides and niobates physical properties
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Research on energy storage systems presents a considerable contemporary challenge. In order to develop energy storage solutions and obtain satisfactory performance, thereby promoting sustainability, efficiency, risk management and emission reduction, fundamental and applied sciences are required.

Ceramic products play important roles in a variety of energy storage systems, usually demonstrating high temperature stability and resistance to external chemical attacks. Additionally, polymer nanocomposites are promising materials that serve the same purposes, able to improve the safety and versatility of storage systems.

This Special Issue aims to synthesize all the significant aspects of ceramics and polymer nanocomposites for energy storage. In addition to reporting synthesis processes of these materials, this issue aims to characterize them structurally, morphologically, electrically and magnetically in order to confirm their applicability in specific scenarios. 

Dr. Sílvia Soreto Teixeira
Dr. Susana Devesa
Dr. Manuel Pedro Fernandes Graça
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 250 words) can be sent to the Editorial Office for assessment.

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. Nanomaterials 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 2400 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

  • ceramics
  • nanocomposites
  • electrical measurements
  • dielectric spectroscopy
  • energy storage
  • sensors

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Published Papers (1 paper)

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Research

19 pages, 3085 KB  
Article
Bismuth-Based Ceramic Processed at Ultra-Low-Temperature for Dielectric Applications
by Susana Devesa, Sílvia Soreto Teixeira, Manuel Pedro Graça and Luís Cadillon Costa
Nanomaterials 2026, 16(1), 46; https://doi.org/10.3390/nano16010046 - 29 Dec 2025
Viewed by 577
Abstract
High-performance dielectric materials that can be processed at ultra-low temperatures are essential for next-generation LTCC technologies and compact RF–microwave components. In this work, a multicomponent Bi–Fe–Nb oxide system was synthesized using a modified citrate sol–gel method and thermally treated at only 400 °C [...] Read more.
High-performance dielectric materials that can be processed at ultra-low temperatures are essential for next-generation LTCC technologies and compact RF–microwave components. In this work, a multicomponent Bi–Fe–Nb oxide system was synthesized using a modified citrate sol–gel method and thermally treated at only 400 °C to investigate its structural evolution and dielectric behavior. XRD and Raman analysis revealed the coexistence of a well-crystallized BiOCl phase embedded within a partially amorphous Bi–Fe–Nb–O matrix. SEM and EDS mapping confirmed the presence of two distinct microstructural regions, reflecting differences in local composition and crystallization kinetics. Microwave measurements at 2.7 and 5.0 GHz showed low dielectric losses and a stable dielectric response. Impedance spectroscopy in the RF range revealed strong Maxwell–Wagner polarization at low frequencies and thermally activated relaxation evidenced by the temperature shift in the modulus and impedance peaks. Arrhenius analysis of the relaxation frequencies yielded similar activation energies from both modulus and impedance formalisms, indicating a single underlying relaxation mechanism. Equivalent-circuit fitting confirmed non-Debye behavior, with nearly temperature-independent capacitance and decreasing resistance consistent with thermally activated conduction. These results demonstrate that the Bi–Fe–Nb system exhibits promising dielectric stability and functional behavior even when processed at exceptionally low temperatures. Full article
(This article belongs to the Special Issue Advanced Ceramics and Polymer Nanocomposites for Energy Storage)
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