A new promising Pt(Mo2C) catalyst for hydrogen evolution reaction prepared by galvanic displacement reaction

A new method for the synthesis of Pt(Mo 2 C) catalysts using the redox reaction between Mo 2 C and solution containing potassium tetracholoplatinate (II) is proposed. The obtained catalyst samples are characterized by SEM, XRD, XPS, and CV methods. As shown by microscopic studies, platinum nanoclust...

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Veröffentlicht in:	Journal of solid state electrochemistry 2022, Vol.26 (10), p.2183-2193
Hauptverfasser:	Kuznetsov, Vitaly V., Podlovchenko, Boris I., Frolov, Kirill V., Volkov, Mikhail A., Khanin, Dmitry A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical Chemistry Catalysts Catalytic activity Characterization and Evaluation of Materials Chemical synthesis Chemistry Chemistry and Materials Science Condensed Matter Physics Electrochemistry Energy Storage Hydrogen evolution reactions Molybdenum carbide Nanoclusters Original Paper Physical Chemistry Platinum Redox reactions Sulfuric acid X ray photoelectron spectroscopy
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Beschreibung
Zusammenfassung:	A new method for the synthesis of Pt(Mo 2 C) catalysts using the redox reaction between Mo 2 C and solution containing potassium tetracholoplatinate (II) is proposed. The obtained catalyst samples are characterized by SEM, XRD, XPS, and CV methods. As shown by microscopic studies, platinum nanoclusters are dispersed over the surface of carbide particles. The synthesized catalysts demonstrate a high catalytic activity towards hydrogen evolution reaction (HER) in 0.5 M sulphuric acid solution. Such activity is observed even at very low platinum loadings.
ISSN:	1432-8488 1433-0768
DOI:	10.1007/s10008-022-05222-x