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Electrochemical Materials and Devices for Energy Conversion and Storage—2nd Edition

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".

Deadline for manuscript submissions: 20 October 2025 | Viewed by 186

Special Issue Editor

College of Materials Science and Engineering, Zhengzhou University, Zhengzhou, China
Interests: electrocatalysts; electrocatalytic reaction mechanism; operando/in situ spectroscopy technology; fuel cells
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the rapid advancement of society, the excessive use of coal, oil, diesel, and other non-renewable energy sources has led to a severe shortage of traditional fossil fuels. To address this pressing issue, electrochemical energy conversion and storage technologies—such as electrochemical capacitors, batteries, and fuel cells—have garnered significant attention due to their remarkable properties, including high energy and power densities, excellent cyclability, and superior efficiency.

However, these technologies face critical challenges related to cost, sustainability, safety, performance, and durability. To overcome these limitations, researchers have developed innovative electrochemical nanomaterials with advanced structural and functional properties, paving the way for a new generation of energy conversion and storage systems. Furthermore, a fundamental understanding of the formation and evolution of electrochemical interfaces is essential for the rational design of high-performance nanomaterials tailored to electrochemical devices.

This Special Issue aims to highlight recent progress and emerging advancements in electrochemical materials and devices for energy conversion and storage. Topics of interest include, but are not limited to, the following:

  • Precise synthesis and design methods for electrochemical energy materials;
  • Theoretical calculations for electrocatalysts and electrode materials;
  • Advanced electrolytes and membranes for electrochemical energy conversion and storage devices;
  • Advanced electrocatalysts for fuel cells;
  • Advanced materials for supercapacitors;
  • Review articles summarizing the current state of the art in the field of electrochemical energy conversion and storage.

Dr. Bang-An Lu
Guest Editor

Manuscript Submission Information

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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. Materials 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

  • fuel cells
  • metal–ion batteries
  • flow batteries
  • metal–sulfur (selenium) batteries
  • metal–air batteries
  • supercapacitors
  • electrode materials
  • electrocatalysts
  • membranes
  • electrolytes

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Published Papers (1 paper)

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Review

23 pages, 9227 KiB  
Review
Review: The Application of MXene in Thermal Energy Storage Materials for Efficient Solar Energy Utilization
by Han Sun, Yingai Jin and Firoz Alam
Materials 2025, 18(12), 2839; https://doi.org/10.3390/ma18122839 - 16 Jun 2025
Viewed by 77
Abstract
Two-dimensional transition metal carbides/nitrides (MXenes) have shown potential in biosensors, cancer theranostics, microbiology, electromagnetic interference shielding, photothermal conversion, and thermal energy storage due to their unique electronic structure, ability to absorb a wide range of light, and tunable surface chemistry. In spite of [...] Read more.
Two-dimensional transition metal carbides/nitrides (MXenes) have shown potential in biosensors, cancer theranostics, microbiology, electromagnetic interference shielding, photothermal conversion, and thermal energy storage due to their unique electronic structure, ability to absorb a wide range of light, and tunable surface chemistry. In spite of the growing interest in MXenes, there are relatively few studies on their applications in phase-change materials for enhancing thermal conductivity and weak photo-responsiveness between 0 °C and 150 °C. Thus, this study aims to provide a current overview of recent developments, to examine how MXenes are made, and to outline the combined effects of different processes that can convert light into heat. This study illustrates the mechanisms that include enhanced broadband photon harvesting through localized surface plasmon resonance, electron–phonon coupling-mediated nonradiative relaxation, and interlayer phonon transport that optimizes thermal diffusion pathways. This study emphasizes that MXene-engineered 3D thermal networks can greatly improve energy storage and heat conversion, solving important problems with phase-change materials (PCMs), like poor heat conductivity and low responsiveness to light. This study also highlights the real-world issues of making MXene-based materials on a large scale, and suggests future research directions for using them in smart thermal management systems and solar thermal grid technologies. Full article
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