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Design and Optimization of Energy Materials

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

Deadline for manuscript submissions: closed (5 March 2026) | Viewed by 988

Special Issue Editors


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Guest Editor
Department of Astronautical Science and Mechanics, Harbin Institute of Technology, Harbin 150001, China
Interests: machine learning (ML); finite element method (FEM); multiscale methods
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China
Interests: thermal transport; molecular dynamics

E-Mail Website
Guest Editor
Department of Astronautic Science and Mechanics, Harbin Institute of Technology, Harbin 150001, China
Interests: homogenization theory; multiscale methods; multiscale modeling for composite materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The growing demand for sustainable energy solutions has accelerated research into advanced materials for energy applications. The aim of this Special Issue, titled “Design and Optimization of Energy Materials”, is to highlight the latest innovations and developments in materials designed to enhance energy generation, storage, and conversion processes. This Special Issue will cover a broad spectrum of materials, including but not limited to photovoltaics, batteries, supercapacitors, thermoelectrics, fuel cells, and hydrogen storage.

We invite original research articles, reviews, and perspectives that explore the synthesis, characterization, and performance of novel energy materials, with an emphasis on their potential to address the challenges of efficiency, scalability, and environmental sustainability. Topics of interest include, but are not limited to:

  • Nanomaterials for Energy Conversion: Exploring nanostructured materials for enhanced light absorption, charge transport, and energy conversion efficiency in solar cells, thermoelectrics, and photocatalysis.
  • Advanced Materials for Energy Storage: Innovations in electrode materials, electrolytes, and interfaces for next-generation batteries and supercapacitors.
  • Sustainable Materials for Clean Energy: Development of earth-abundant and environmentally friendly materials for renewable energy technologies.
  • Materials for Hydrogen and Fuel Cells: Insights into materials for efficient hydrogen storage, fuel cell electrodes, and electrocatalysis.

This Special Issue aims to provide a comprehensive overview of cutting-edge developments in the field, fostering collaborations and advancing the implementation of advanced energy materials in real-world applications. We anticipate that this collection will be of great interest to researchers, practitioners, and policymakers working towards the next generation of sustainable energy technologies.

Prof. Dr. Yuhang Jing
Dr. Yufei Gao
Dr. Zhiqiang Yang
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. 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 conversion
  • energy storage
  • clean energy
  • hydrogen and fuel cells

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Published Papers (1 paper)

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Research

13 pages, 1239 KB  
Article
Improving Voltage Efficiency of Polycrystalline Silicon Solar Cells via Temperature-Reducing Thin Films
by Jesús Manuel Gutierrez-Villarreal, Ian M. Sosa-Tinoco, Mario Francisco Suzuki Valenzuela, Horacio Antolin Pineda-León and Sayra Guadalupe Ruvalcaba-Manzo
Energies 2025, 18(23), 6345; https://doi.org/10.3390/en18236345 - 3 Dec 2025
Viewed by 529
Abstract
It is well established that solar cells convert solar energy into electrical energy, thereby contributing to environmental sustainability by reducing dependence on fossil fuels. In the present study, thin films composed of different materials were employed with the aim of mitigating efficiency losses [...] Read more.
It is well established that solar cells convert solar energy into electrical energy, thereby contributing to environmental sustainability by reducing dependence on fossil fuels. In the present study, thin films composed of different materials were employed with the aim of mitigating efficiency losses in polycrystalline solar cells, which operate at a specific output voltage of 0.5 V. To evaluate the performance of these films, solar irradiation tests were conducted in Ciudad Obregón, Sonora, Mexico, during periods that accounted for both seasonal and diurnal variations in solar irradiance. The experiments were carried out during peak solar hours, a time frame that represents the conditions of highest thermal stress and irradiance intensity and is therefore relevant for analyzing heat-related efficiency losses. The thin films investigated included silver nanoparticles, copper sulfide, potassium permanganate, zinc sulfide, and lead sulfide. An improvement of 0.5% in open circuit voltage gain was achieved, corresponding to a temperature difference of 13.5 °C between the hottest and coolest cells. Notably, the cells that exhibited efficiency enhancement were those incorporating silver nanoparticles and potassium permanganate, with varying deposition times in the chemical bath. Among these, the latter demonstrated superior performance (KMnO4 performed best). So, the objective of this experimental work was to assess the effect of various thin film coatings on the performance of polycrystalline silicon solar cells under natural sunlight. Full article
(This article belongs to the Special Issue Design and Optimization of Energy Materials)
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