DataVXACS Applied Materials & InterfacesPaper
journal article·2025-10-01Open access

Synthesis of Hollow Spherical Phosphide Catalysts with Industrial-Scale Potential for Alkaline Hydrogen Evolution Reaction

Magdalena Streckova, Alena Fedorockova, Alexandra Guboova, Gabriel Sučik, Vladimir Girman, Akbar Hussain, Michael Vorochta, Jozef Strečka, Tomas Bystron

ACS Applied Materials & Interfaces· Volume 17· Issue 39
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Abstract

High Resolution Image Download MS PowerPoint Slide The competitiveness of hydrogen as a fuel of the future relies on the development of low-cost, readily available, and efficient catalysts. Transition metal phosphides (TMP), mainly in multimetallic compositions, are recognized as an excellent alternative to platinum-based catalysts in electrolyzers and fuel cells. Herein, for the first time, the connection of the spray drying method as a user-friendly technique for the large-scale production of TMP as hydrogen evolution reaction (HER) catalysts is presented. Three types of catalysts based on MoFeP modified with Co and Ni as third elements were compared by electrochemical methods in an alkaline medium of 1 M KOH. Among the studied materials, the as-prepared MoFeCoP electrocatalysts exhibited the lowest reaction overpotentials (η 10 ) of −285 mV, with Tafel slopes of 83 mV dec –1, low activation energy for the HER and sufficient durability in long-term stability tests. The high value of differential capacitance for both trimetallic materials MoFeNiP and MoFeCoP indicates a large surface area, resulting in excellent features for hydrogen production and application.
Source: openalex_inverted_index · Quality: baseline

Research context

Catalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Catalysis and Hydrodesulfurization Studies · Fuel Cells and Related Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Materials Research, Slovak Academy of Sciences, Watsonova 47, 040 01 Kosice, Slovak Republic

Faculty of Materials, Metallurgy and Recycling, Technical University of Kosice, Letna 9, 042 00 Kosice, Slovakia

Institute of Physics, Faculty of Science, P.J. Safarik University, Park Angelinum 9, 041 01 Kosice, Slovak Republic

Department of Chemistry

Quaid-i-Azam University

Department of Physical Chemistry, Faculty of Science, P.J. Šafárik University, Moyzesova 11, SK-04154 Košice, Slovak Republic

Department of Surface and Plasma Science, Faculty of Mathematics and Physics, Charles University, V Holešovičkách 2, 18000 Prague 8, Czech Republic

Department of Theoretical Physics and Astrophysics, Faculty of Science, P.J. Šafárik University, Park Angelinum 9, 040 01 Košice, Slovak Republic

Department of Inorganic Technology, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic

Funding

NextGenerationEU · The Energy Conversion and Storage Programme Johannes Amos Comenius, call Excellent Research

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