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Innovative Approaches in Energy Materials: Fundamentals and Applications

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

Deadline for manuscript submissions: 25 May 2026 | Viewed by 1070

Special Issue Editor


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Guest Editor
College of Science, China Agricultural University, Beijing 100083, China
Interests: synthesis and surface modification of functional coatings; advanced coating deposition technologies: pld/mpcvd/magnetron sputtering; antimicrobial/corrosion-resistant/wear-resistant multifunctional coatings; electrochemical performance optimization of energy-related coatings; design and performance regulation of coating materials in extreme environments; in situ characterization and microstructural analysis of thin film coatings; preparation and application of diamond-based functional coatings; integration of coatings in energy storage devices and renewable energy systems
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Special Issue Information

Dear Colleagues,

Energy materials are the cornerstone of modern energy conversion and storage technologies, underpinning the transition to sustainable and low-carbon energy systems. In recent years, the demand for high-performance, cost-effective, and environmentally friendly energy materials has surged, driven by the rapid development of renewable energy, advanced batteries, fuel cells, and functional energy-related devices. Innovations in the fundamental understanding, synthesis methodologies, and practical applications of energy materials are critical to addressing global energy challenges.

This Special Issue aims to showcase cutting-edge research on the fundamentals and applications of innovative energy materials, spanning from atomic-scale design to large-scale industrial deployment. We welcome original research and review articles that address key challenges and breakthroughs in the field, with a focus on novel functional thin-film materials and devices, advanced energy storage systems (e.g., lithium-ion/zinc-ion batteries, solid oxide fuel cells), and emerging energy material technologies (e.g., photocatalytic materials, diamond-based functional materials).

Topics of interest for publication include, but are not limited to, the following:

  • Synthesis and characterization of thin-film energy materials (e.g., pulsed laser deposition, magnetron sputtering);
  • Electrochemical performance optimization of energy storage batteries;
  • Photocatalytic and antimicrobial energy materials for sustainable applications;
  • Diamond-based functional materials for high-temperature/pressure energy systems;
  • In situ characterization techniques for energy material performance analysis;
  • Thermal and mechanical properties of advanced energy materials;
  • Design and fabrication of micro-electro-mechanical systems (MEMSs) for energy applications;
  • Integration of energy materials into renewable energy conversion systems.

We invite researchers from academia and industry to contribute their latest findings, fostering interdisciplinary dialogue and accelerating the translation of fundamental research into practical energy solutions.

Dr. Yun Zhao
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 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. 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

  • energy materials
  • thin-film materials
  • energy storage batteries
  • solid oxide fuel cells
  • photocatalysis
  • diamond functional materials
  • electrochemical characterization
  • pulsed laser deposition

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Published Papers (1 paper)

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Research

12 pages, 4544 KB  
Article
Halogen Doping in Na3PS4 Solid Electrolytes for High Performance All-Solid-State Sodium Batteries
by Liang Miao, Linxi Cao, Yaxian Zhou, Wei Wang, Yiwa Luo and Shuqiang Jiao
Energies 2026, 19(3), 850; https://doi.org/10.3390/en19030850 - 5 Feb 2026
Viewed by 755
Abstract
Sulfide-based solid electrolytes are promising for all-solid-state sodium batteries due to their high ionic conductivity and facile processability, but their practical use is limited by moisture sensitivity and poor interfacial stability. To address these issues, Na3−xPS4−xMx (M = [...] Read more.
Sulfide-based solid electrolytes are promising for all-solid-state sodium batteries due to their high ionic conductivity and facile processability, but their practical use is limited by moisture sensitivity and poor interfacial stability. To address these issues, Na3−xPS4−xMx (M = F, Cl, Br, I) electrolytes were first synthesized as a preliminary study to evaluate the effect of halogen doping. Chlorine was identified as the most effective dopant and was therefore selected for a systematic investigation of doping concentration. Na3−xPS4−xClx (x = 0.1–0.3) electrolytes were prepared by solid-state sintering, and the optimum composition was determined to be Na2.85PS3.85Cl0.15, which achieved a high ionic conductivity of 5.5 × 10−4 S·cm−1 with a reduced activation energy of 33.3 kJ·mol−1. When employed in TiS2|Na2.85PS3.85Cl0.15|Na3Sn full cells, the optimized electrolyte enabled high initial capacity, excellent rate capability, and stable long-term cycling. These results highlight the effectiveness of Cl doping concentration control in enhancing both the intrinsic properties of Na3PS4-based electrolytes and the overall electrochemical performance of all-solid-state sodium batteries. Full article
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