Synthesis of Multicomponential Alloys for Hydrogen and Oxygen Evolution Process in Alkaline Electrolysis
A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".
Deadline for manuscript submissions: closed (15 June 2023) | Viewed by 2204
Special Issue Editor
Interests: electrocatalysis; hydrogen evolution process; thin films and coatings electrodeposition
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Metallic nickel is of great interest for a broad range of catalytic and electrochemical applications. One of the oldest and best-described processes is the cathodic evolution of hydrogen from alkaline solutions, which is also implemented in large-scale industrial applications. The most straightforward method for improving catalytic activity is the combination of two or more metals from both parts of the volcano curve, which is considered a state-of-the-art theoretical investigation in the field of electrocatalysis. Most of the scientific literature in this field has focused on the creation of molybdenum and tungsten alloys with elements located on the left side of a volcano curve, such as Co, Fe, and Ni, where catalytic improvements are linked via an increase in the electroactive surface area and formation of nano- or amorphous phases, demonstrating a synergetic effect. Despite the brilliant catalytic activity of Mo- and W-based alloys, it should be underlined that an alkaline environment is very corrosive for these two elements. Mo and W phases can be easily leached from a metallic matrix, destroy the alloy structure, and diminish their electrochemical performance. Many studies have been conducted regarding the synthesis of durable and highly active materials in the water-splitting processes over the last two decades.
This Special Issue is seeking novel studies and communication papers that address the synthesis and evaluate the properties of different multicomponential alloys. The combination of five different elements can lead to the synthesis of a single-phase structure, which is called a high-entropy alloy. According to publication records, these alloys can exhibit an excellent performance in different applications, in comparison to the traditional two or three elemental alloys.
We are also more than honored to announce that the Topical Advisory Panel Member Dr. Dawid Kutyła (from AGH University of Science and Technology, Poland) will be participating in this Special Issue.
Prof. Dr. Piotr Żabiński
Guest Editor
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Keywords
- electrodeposition
- hydrogen evolution
- multielemental alloys
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