Borohydride electro-oxidation on Pt single crystal electrodes

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Title: Borohydride electro-oxidation on Pt single crystal electrodes
Authors: Briega-Martos, Valentín | Herrero, Enrique | Feliu, Juan M.
Research Group/s: Electroquímica de Superficies
Center, Department or Service: Universidad de Alicante. Departamento de Química Física | Universidad de Alicante. Instituto Universitario de Electroquímica
Keywords: Platinum | Single crystal electrodes | Borohydride oxidation | Fuel cell | Surface sensitive
Knowledge Area: Química Física
Issue Date: Feb-2015
Publisher: Elsevier
Citation: Electrochemistry Communications. 2015, 51: 144-147. doi:10.1016/j.elecom.2014.12.024
Abstract: The borohydride oxidation reaction on platinum single-crystal electrodes has been studied in sodium hydroxide solution using static and rotating conditions. The results show that borohydride electro-oxidation is a structure sensitive process on Pt surfaces. Significant changes in the measured currents are observed at low potentials. In this region, the Pt(111) electrode exhibits the lowest activity, whereas the highest currents are measured for the Pt(110) electrode. The behavior of the different electrodes is discussed taking as reference the observed behavior on the blank electrolyte and the possible formation of weakly adsorbed intermediates.
Sponsor: This work has been financially supported by the MICINN (Spain) (project 2013-44083-P) and Generalitat Valenciana (project PROMETEOII/2014/013).
ISSN: 1388-2481 (Print) | 1873-1902 (Online)
DOI: 10.1016/j.elecom.2014.12.024
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version:
Appears in Collections:INV - EQSUP - Artículos de Revistas

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