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Dive into the research topics where Lourdes Vázquez-Gómez is active.

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Featured researches published by Lourdes Vázquez-Gómez.


Journal of Applied Electrochemistry | 2015

Preparation of 3D electrocatalysts and catalysts for gas-phase reactions, through electrodeposition or galvanic displacement

Marco Musiani; Sandro Cattarin; S. Cimino; N. Comisso; L. Mattarozzi; Lourdes Vázquez-Gómez; E. Verlato

Metal foams are interesting supports for the preparation of electrocatalysts and catalysts for gas-phase processes, like partial and total low-temperature oxidation of hydrocarbons and other chemicals, owing to their large surface area, electrical conductivity, efficient mass and heat transfer, mechanical strength and resistance to oxidation. High catalytic activity in specific processes can be imparted to metal foams by the deposition of appropriately chosen noble metal nanoparticles. Deposition may be achieved electrochemically or through spontaneous deposition processes based on galvanic displacement reactions in which a noble metal displaces a less noble one. In the materials prepared by these methods, noble metal nanoparticles are in direct electrical contact with metal foams, so cyclic voltammetry may be effectively used to determine their surface area, a parameter of primary importance in heterogeneous catalysis. These features are illustrated by reviewing the preparation, characterization and catalytic testing of various noble-metal-modified Ni and Fe–Cr–Al alloy metal foams, highlighting advantages and limitations of the proposed methods, as compared with state of the art approaches.


Journal of The Electrochemical Society | 2010

Electrodeposition of Cu + PdO and ( Cu – Pd ) + PdO Composites

Enrico Verlato; Sandro Cattarin; Nicola Comisso; Rosalba Gerbasi; Paolo Guerriero; Marco Musiani; Lourdes Vázquez-Gómez

The codeposition of PdO particles with a Cu matrix has been investigated with the aim of extending the composite deposition procedure to the preparation of materials potentially capable of catalyzing the low temperature combustion of methane. Cu + PdO composites with a low dispersed phase content were obtained from either basic pyrophosphate or acid sulfate baths. Codeposition of PdO particles with a Cu-Pd alloy matrix was effectively achieved by electrolyzing suspensions of PdO in solutions containing both Cu 2+ and Pd 2+ ions, with large [Cu 2+ ]/[Pd 2+ ] ratios. (Cu-Pd) + PdO deposits with 20-25 Pd atom % were obtained in which only 1-2 atom % of Pd were alloyed in the matrix. These (Cu-Pd) + PdO composites were mechanically stable and highly porous throughout their thickness (their pore volume being ca. 60% of the total volume). Their true surface area was some thousands of times higher than their geometric area.


Electrochimica Acta | 2008

Hydrogen evolution on porous Ni cathodes modified by spontaneous deposition of Ru or Ir

Lourdes Vázquez-Gómez; Sandro Cattarin; Paolo Guerriero; Marco Musiani


International Journal of Hydrogen Energy | 2012

Double-template fabrication of three-dimensional porous nickel electrodes for hydrogen evolution reaction

I. Herraiz-Cardona; E. Ortega; Lourdes Vázquez-Gómez; V. Pérez-Herranz


International Journal of Hydrogen Energy | 2011

Electrochemical characterization of a NiCo/Zn cathode for hydrogen generation

I. Herraiz-Cardona; E. Ortega; Lourdes Vázquez-Gómez; V. Pérez-Herranz


Electrochimica Acta | 2013

Electrochemical reduction of nitrate and nitrite in alkaline media at CuNi alloy electrodes

Luca Mattarozzi; Sandro Cattarin; Nicola Comisso; Paolo Guerriero; Marco Musiani; Lourdes Vázquez-Gómez; Enrico Verlato


Electrocatalysis | 2012

Preparation of Pd-Modified Ni Foam Electrodes and Their Use as Anodes for the Oxidation of Alcohols in Basic Media

Enrico Verlato; Sandro Cattarin; Nicola Comisso; Arianna Gambirasi; Marco Musiani; Lourdes Vázquez-Gómez


Electrochimica Acta | 2007

Preparation and electrochemical characterization of Ni + RuO2 composite cathodes of large effective area

Lourdes Vázquez-Gómez; Sandro Cattarin; Paolo Guerriero; Marco Musiani


International Journal of Hydrogen Energy | 2012

The HER in alkaline media on Pt-modified three-dimensional Ni cathodes

Stefania Fiameni; I. Herraiz-Cardona; Marco Musiani; V. Pérez-Herranz; Lourdes Vázquez-Gómez; Enrico Verlato


Electrochimica Acta | 2008

EIS study of the service life of activated cathodes for the hydrogen evolution reaction in the chlor–alkali membrane cell process

Antonio Lorenzo Antozzi; Claudia Jennifer Bargioni; Luciano Iacopetti; Marco Musiani; Lourdes Vázquez-Gómez

Collaboration


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Sandro Cattarin

National Research Council

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Enrico Verlato

National Research Council

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Paolo Guerriero

National Research Council

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Nicola Comisso

National Research Council

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Rosalba Gerbasi

National Research Council

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I. Herraiz-Cardona

Polytechnic University of Valencia

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V. Pérez-Herranz

Polytechnic University of Valencia

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