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Advanced Electrocatalytic Materials for Energy and Environmental Applications (Second Edition)
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Advanced Electrocatalytic Materials for Energy and Environmental Applications (Second Edition)

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

Deadline for manuscript submissions: 20 October 2025 | Viewed by 1148

Special Issue Editors

Prof. Dr. Jiayuan Yu

E-Mail Website
Guest Editor
Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan, China
Interests: hydorgen production; electrochemistry; water treament; nanomaterials
Special Issues, Collections and Topics in MDPI journals
Dr. Junfeng Chen

E-Mail Website
Guest Editor
School of Life Science, Qufu Normal University, Qufu 273165, China
Interests: microbial fuel cell; bioelectrochemical system; environmental functional nanomaterials; wastewater treatment; oxygen reduction reaction; environmental science
Special Issues, Collections and Topics in MDPI journals
Dr. Jingyun Jiang

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450052, China
Interests: green chemistry; deep eutectic solvents; 2D materials; heterostructure; (nano)composites; electrocatalysis; water splitting
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The success of our first volume of the Special Issue “Advanced Electrocatalytic Materials for Energy and Environmental Applications” underlines the rapid development of electrocatalytic materials and the need for further research. This fact has encouraged us to create a second Special Issue under the same title that will further present state-of-the-art advances in electrocatalytic materials.

This Special Issue aims to introduce the latest progress made in research on advanced electrocatalyst materials in the field of energy and the environment. With the rapid development of human society, energy shortages and environmental pollution have become two serious problems faced by human society. Therefore, there is an urgent need to solve these problems by developing advanced electrocatalyst materials for efficient energy conversion, energy storage, and environmental protection. This Special Issue will mainly include manuscripts focused on the field of electrocatalysis. Topics of interest include, but are not limited to, the following: hydrogen evolution, carbon dioxide reduction, nitrogen reduction, oxygen reduction, and microbial fuel cells. At the same time, we also intend to include research on the electrocatalytic treatment of refractory water pollutants and research on new energy recovery from environmental waste in this Special Issue.

It is our pleasure to invite you to submit a manuscript to this Special Issue. Full papers, communications, and reviews are all welcome.

Prof. Dr. Jiayuan Yu
Dr. Junfeng Chen
Dr. Jingyun Jiang
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. 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

  • energy conversion and storage
  • hydrogen evolution reaction
  • nitrate reduction
  • upgrading of pollutants
  • carbon dioxide reduction
  • electrochemical water treatment
  • microbial fuel cell
  • environmental functional nanomaterials

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Published Papers (1 paper)

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Research

22 pages, 8704 KiB  
Article
Enhanced Photoelectrocatalytic Performance of ZnO Nanowires for Green Hydrogen Production and Organic Pollutant Degradation
by Nawal Al Abass, Talal F. Qahtan, Amani M. Alansi, Almqdad Bubshait, Maria Al-Ghamdi, Zahra Albu, Noof Soltan Albasiry, Hisham Mohammed Aljahfal, Abdulrahman E. Aldossary and Mohammed Tariq Faraj
Materials 2025, 18(2), 444; https://doi.org/10.3390/ma18020444 - 19 Jan 2025
Viewed by 955
Abstract
With growing environmental concerns and the need for sustainable energy, multifunctional materials that can simultaneously address water treatment and clean energy production are in high demand. In this study, we developed a cost-effective method to synthesize zinc oxide (ZnO) nanowires via the anodic [...] Read more.
With growing environmental concerns and the need for sustainable energy, multifunctional materials that can simultaneously address water treatment and clean energy production are in high demand. In this study, we developed a cost-effective method to synthesize zinc oxide (ZnO) nanowires via the anodic oxidation of zinc foil. By carefully controlling the anodization time, we optimized the Zn/ZnO-5 min electrode to achieve impressive dual-function performance in terms of effective photoelectrocatalysis for water splitting and waste water treatment. The electrode exhibited a high photocurrent density of 1.18 mA/cm2 at 1.23 V vs. RHE and achieved a solar-to-hydrogen conversion efficiency of 0.55%. A key factor behind this performance is the presence of surface defects, such as oxygen vacancies (OVs), which enhanced charge separation and boosted electron transport. In tests for waste water treatment, the Zn/ZnO-5 min electrode demonstrated the highly efficient degradation of methylene blue (MB) dye, with a reaction rate constant of 0.4211 min−1 when exposed to light and a 1.0 V applied voltage significantly faster than using light or voltage alone. Electrochemical analyses, including impedance spectroscopy and voltammetry, further confirmed the superior charge transfer properties of the electrode under illumination, making it an excellent candidate for both energy conversion and pollutant removal. This study highlights the potential of using simple anodic oxidation to produce scalable and efficient ZnO-based photocatalysts. The dual-function capability of this material could pave the way for large-scale applications in renewable hydrogen production and advanced waste water treatment, offering a promising solution to some of today’s most pressing environmental and energy challenges. Full article
(This article belongs to the Special Issue Advanced Electrocatalytic Materials for Energy and Environmental Applications (Second Edition))
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