Pd-Au Electrocatalysts for Hydrogen Evolution Reaction at Neutral pH

Pd-Au Electrocatalysts for Hydrogen Evolution Reaction at Neutral pH

Pd-Au codeposits with different ratio of both metals were electrodeposited on carbon felt, characterized by scanning electron microscopy, and investigated as electrocatalysts towards hydrogen evolution reaction in neutral phosphate buffer solution. The quantities of the produced hydrogen gas with di...

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Veröffentlicht in:International Journal of Electrochemistry 2014-01, Vol.2014 (2014), p.20-25
Hauptverfasser: Mitov, Mario, Dimcheva, Nina, Chorbadzhiyska, Elitsa, Hubenova, Yolina, Evdou, Antigoni, Nalbandian, Lori, Hristov, Georgi
Format: Artikel
Sprache:eng
Schlagworte:
Buffer solutions
Buffers (Chemistry)
Carbon
Codeposition
Dibromopropanol phosphate
Electrocatalysts
Electrodes
Electrolytes
Gases
Gold
Hydrogen evolution
Hydrogenation
Metal catalysts
Palladium
Phosphates
Platinum
Studies
Voltammetry
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Zusammenfassung:Pd-Au codeposits with different ratio of both metals were electrodeposited on carbon felt, characterized by scanning electron microscopy, and investigated as electrocatalysts towards hydrogen evolution reaction in neutral phosphate buffer solution. The quantities of the produced hydrogen gas with different electrocatalysts, estimated from data obtained by chronoamperometry, were confirmed by mass spectrometry analysis. The highest hydrogen evolution rate was achieved with the electrocatalysts, produced from electrolyte with equal Pd and Au content.
ISSN:2090-3529
2090-3537
DOI:10.1155/2014/239270