Pd-Au Electrocatalysts for Hydrogen Evolution Reaction at Neutral pH

Author:

Chorbadzhiyska Elitsa1ORCID,Mitov Mario1ORCID,Hristov Georgi1,Dimcheva Nina2ORCID,Nalbandian Lori3ORCID,Evdou Antigoni3ORCID,Hubenova Yolina4

Affiliation:

1. Department of Chemistry, South-West University “Neofit Rilski”, 2700 Blagoevgrad, Bulgaria

2. Department of Physical Chemistry, Plovdiv University “Paisii Hilendarski”, 4000 Plovdiv, Bulgaria

3. Laboratory of Inorganic Materials (LIM), Chemical Process & Energy Resources Institute, Center for Research and Technology-Hellas (CPERI/CERTH), Thermi, 57001 Thessaloniki, Greece

4. Department of Biochemistry and Microbiology, Plovdiv University “Paisii Hilendarski”, 4000 Plovdiv, Bulgaria

Abstract

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.

Funder

European Territorial Cooperation Program

Publisher

Hindawi Limited

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