Evaluation of gas diffusion electrodes as detectors in amperometric hydrogen sensors

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Main Author: W. H. Lizcano-Valbuena
Format: Artículo científico
Language:en
Published: Universidade Estadual Paulista Júlio de Mesquita Filho 2005
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author W. H. Lizcano-Valbuena
author_facet W. H. Lizcano-Valbuena
contents Evaluation of gas diffusion electrodes as detectors in amperometric hydrogen sensors W. H. Lizcano-Valbuena J. Perez V. A. Paganin E. R. Gonzalez Química hydrogen sensors hydrogen oxidation supported platinum amperometric sensors gas diffusion electrodes This work is directed to the study and evaluation of gas diffusion electrodes as detectors in hydrogen sensors. Electrochemical experiments were carried out with rotating disk electrodes with a thin porous coating of the catalyst as a previous step to select useful parameters for the sensor. An experimental arrangement made in the laboratory that simulates the sensor was found appropriate to detect volumetric hydrogen percentages above 0.25% in mixtures H2:N2. The system shows a linear response for volumetric percentages of hydrogen between 0.25 and 2 %. 2005 artículo científico 0100-4670 https://www.redalyc.org/articulo.oa?id=42930210 en http://www.redalyc.org/revista.oa?id=429 Eclética Química application/pdf Universidade Estadual Paulista Júlio de Mesquita Filho Eclética Química (Brasil) Num.2 Vol.30
format Artículo científico
id redalyc_42930210
institution Redalyc
language en
publishDate 2005
publisher Universidade Estadual Paulista Júlio de Mesquita Filho
spellingShingle Evaluation of gas diffusion electrodes as detectors in amperometric hydrogen sensors
W. H. Lizcano-Valbuena
Química
hydrogen sensors
hydrogen oxidation
supported platinum
amperometric sensors
gas diffusion electrodes
Evaluation of gas diffusion electrodes as detectors in amperometric hydrogen sensors W. H. Lizcano-Valbuena J. Perez V. A. Paganin E. R. Gonzalez Química hydrogen sensors hydrogen oxidation supported platinum amperometric sensors gas diffusion electrodes This work is directed to the study and evaluation of gas diffusion electrodes as detectors in hydrogen sensors. Electrochemical experiments were carried out with rotating disk electrodes with a thin porous coating of the catalyst as a previous step to select useful parameters for the sensor. An experimental arrangement made in the laboratory that simulates the sensor was found appropriate to detect volumetric hydrogen percentages above 0.25% in mixtures H2:N2. The system shows a linear response for volumetric percentages of hydrogen between 0.25 and 2 %. 2005 artículo científico 0100-4670 https://www.redalyc.org/articulo.oa?id=42930210 en http://www.redalyc.org/revista.oa?id=429 Eclética Química application/pdf Universidade Estadual Paulista Júlio de Mesquita Filho Eclética Química (Brasil) Num.2 Vol.30
title Evaluation of gas diffusion electrodes as detectors in amperometric hydrogen sensors
topic Química
hydrogen sensors
hydrogen oxidation
supported platinum
amperometric sensors
gas diffusion electrodes
url https://www.redalyc.org/articulo.oa?id=42930210