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Catalysts
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Recent Advances in Electrocatalysis and Future Perspective
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Recent Advances in Electrocatalysis and Future Perspective

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Electrocatalysis".

Deadline for manuscript submissions: 30 April 2025 | Viewed by 1690

Special Issue Editors

Prof. Dr. John M. Vohs

E-Mail Website
Guest Editor
Department of Chemical and Biomolecular Engineering, University of Pennsylvania, 311A Towne Building, 220 South 33rd Street, Philadelphia, PA 19104, USA
Interests: catalysis by metal oxides and supported metals; electrocatalysis; surface science; solid oxide electrolysis and fuel cells
Dr. Duo Chen

E-Mail Website
Guest Editor
Jiangsu Key Laboratory of Materials and Technologies for Energy Storage, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China
Interests: batteries; electrocatalysts; oxygen evolution reaction

Special Issue Information

Dear Colleagues,

Electrochemical devices, including batteries, fuel cells, and electrolysis cells, are integral to many emerging renewable energy conversion and storage technologies. At the heart of these systems lies electrocatalysis, which is crucial for both reducing the activation barriers for electrode reactions and increasing the overall reaction selectivity. While significant strides have been made in electrocatalytic science over the past decade, further advancements are necessary for renewable electrochemical systems to reach their full potential. Despite recent progress, several challenges persist. These include the fact that many highly active electrocatalysts rely on expensive materials such as Pt or IrO2 and often suffer from low durability resulting in deactivation over time. To address these challenges, there is a pressing need to develop more robust electrocatalytic materials that preferably use Earth-abundant elements. This Special Issue aims to highlight recent advances in the development of electrocatalytic materials. We welcome submissions from all areas of electrocatalysis, especially those that focus on electrocatalysis for energy conversion and storage.

Prof. Dr. John M. Vohs
Dr. Duo Chen
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. Catalysts is an international peer-reviewed open access monthly 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 2200 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

  • electrocatalysis
  • anode reactions
  • cathode reactions
  • fuel cells
  • batteries
  • electrochemical devices
  • electrochemical sensors
  • electrosynthesis
  • water electrolysis
  • electrochemical materials science

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Published Papers (2 papers)

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Research

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13 pages, 14099 KiB  
Article
One-Step Scalable Synthesis of 3D Self-Supported Superaerophobic Ce-Coupled Ni3S2/NiS@NF Nanobud Catalyst for Efficient Oxygen Evolution Reaction
by Mengjie Lu, Run Cheng, Li Wang, Dandan Liang, Meng Qin, Bili Wang, Rui Song and Duo Chen
Catalysts 2024, 14(11), 752; https://doi.org/10.3390/catal14110752 - 26 Oct 2024
Viewed by 875
Abstract
The elaborate design of inexpensive, high-performance electrocatalysts from earth-abundant elements toward oxygen evolution reaction (OER) is critical in various (electro)chemical processes. Herein, a novel binder-free catalyst of Ce-coupled Ni3S2/NiS supported on Ni foam (Ce-Ni3S2/NiS@NF) is [...] Read more.
The elaborate design of inexpensive, high-performance electrocatalysts from earth-abundant elements toward oxygen evolution reaction (OER) is critical in various (electro)chemical processes. Herein, a novel binder-free catalyst of Ce-coupled Ni3S2/NiS supported on Ni foam (Ce-Ni3S2/NiS@NF) is successfully synthesized via a facile one-step hydrothermal method that enables practical feasibility with a significant enhancement of OER activity through anchoring Ce dopants on an Ni3S2/NiS nanobud host. Ce species coupling can modulate electronic structure, which reduces the reaction energy barrier and optimizes OER catalytic activity. More profoundly, the superhydrophilic and superaerophobic properties of the Ce-Ni3S2/NiS@NF electrode further promote mass transfer. As a result, the Ce-Ni3S2/NiS@NF electrode exhibits excellent OER activity with a low overpotential of 236 and 350 mV to achieve current densities of 10 and 100 mA cm−2, respectively, and long-term durability for 24 h in alkaline medium. These results could supply valuable guidelines for the design of other OER catalysts and beyond. Full article
(This article belongs to the Special Issue Recent Advances in Electrocatalysis and Future Perspective)
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Review

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36 pages, 7819 KiB  
Review
Recent Advances in Transition Metal Chalcogenides Electrocatalysts for Oxygen Evolution Reaction in Water Splitting
by Honglin Gao, Ting Yang, Aiyi Dong, Yuliang Xing, Dajun Liu, Yinhua Ma and Kaixin Zhu
Catalysts 2025, 15(2), 124; https://doi.org/10.3390/catal15020124 - 27 Jan 2025
Viewed by 551
Abstract
Rapid industrial growth has overexploited fossil fuels, making hydrogen energy a crucial research area for its high energy and zero carbon emissions. Water electrolysis is a promising method as it is greenhouse gas-free and energy-efficient. However, OER, a slow multi-electron transfer process, is [...] Read more.
Rapid industrial growth has overexploited fossil fuels, making hydrogen energy a crucial research area for its high energy and zero carbon emissions. Water electrolysis is a promising method as it is greenhouse gas-free and energy-efficient. However, OER, a slow multi-electron transfer process, is the limiting step. Thus, developing efficient, low-cost, abundant electrocatalysts is vital for large-scale water electrolysis. In this paper, the application and progress of transition metal chalcogenides (TMCs) as catalysts for the oxygen evolution reaction in recent years are comprehensively reviewed. The key findings highlight the catalytic mechanism and performance of TMCs synthesized using single or multiple transition metals. Notably, modifications through recombination, heterogeneous interface engineering, vacancy, and atom doping are found to effectively regulate the electronic structure of metal chalcogenides, increasing the number of active centers and reducing the adsorption energy of reaction intermediates and energy barriers in OER. The paper further discusses the shortcomings and challenges of TMCs as OER catalysts, including low electrical conductivity, limited active sites, and insufficient stability under harsh conditions. Finally, potential research directions for developing new TMC catalysts with enhanced efficiency and stability are proposed. Full article
(This article belongs to the Special Issue Recent Advances in Electrocatalysis and Future Perspective)
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