{"id":116024,"date":"2014-07-07T00:00:00","date_gmt":"2014-07-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/comportamiento-electrocatala%c2%adtico-de-aleaciones-amorfas-de-base-ninbpt-frente-a-la-electrooxidacion-de-etanol-y-bioetanol-para-su-aplicacion-en-dafcs\/"},"modified":"2014-07-07T00:00:00","modified_gmt":"2014-07-07T00:00:00","slug":"comportamiento-electrocatala%c2%adtico-de-aleaciones-amorfas-de-base-ninbpt-frente-a-la-electrooxidacion-de-etanol-y-bioetanol-para-su-aplicacion-en-dafcs","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/electroquimica\/comportamiento-electrocatala%c2%adtico-de-aleaciones-amorfas-de-base-ninbpt-frente-a-la-electrooxidacion-de-etanol-y-bioetanol-para-su-aplicacion-en-dafcs\/","title":{"rendered":"Comportamiento electrocatal\u00edtico de aleaciones amorfas de base ninbpt frente a la electrooxidaci\u00f3n de etanol y bioetanol para su aplicaci\u00f3n en dafcs"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Tamara Carballo Blanco <\/strong><\/h2>\n<p>Uno de los principales objetivos en el desarrollo de dafcs consiste en disminuir la carga de pt, mejorando la eficiencia del catalizador para el proceso de electrooxidaci\u00f3n de etanol\/bioetanol. La combinaci\u00f3n de pt con otros metales reduce la carga de pt y puede mejorar la actividad catal\u00edtica durante dicho proceso de oxidaci\u00f3n. El objetivo del presente trabajo consiste en el estudio del comportamiento catal\u00edtico de aleaciones amorfas bicatal\u00edticas de composici\u00f3n ni59nb40pt0.6y0.4 (y=co, pd y rh) y tricatal\u00edticas de composici\u00f3n ni59nb40pt0.6y0.2z0.2 (y=rh \/ z=co y ru), en comparaci\u00f3n con el obtenido para la aleaci\u00f3n ni59nb40pt1.Una vez caracterizadas las aleaciones por dsc, xrd y sem-edx, se emplean t\u00e9cnicas electroqu\u00edmicas tale como voltametr\u00eda c\u00edclica y cronoamperometr\u00eda, con el fin de caracterizarlas electroqu\u00edmicamente.Los resultados obtenidos muestran, en general, un comportamiento mejorado para las aleaciones bi- y tri-catal\u00edticas. Entre las diferentes aleaciones bicatal\u00edticas, aquella que contiene rh como cocatalizador es la que presenta un mejor comportamiento. No obstante, la adici\u00f3n de co como tercer metal catal\u00edtico en la aleaci\u00f3n ni59nb40pt0.6rh0.2co0.2, mejora a\u00fan m\u00e1s la eficiencia del catalizador para el proceso de oxidaci\u00f3n, obteni\u00e9ndose valores de densidad de corriente significativamente mayores en comparaci\u00f3n con el resto de aleaciones estudiadas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Comportamiento electrocatal\u00edtico de aleaciones amorfas de base ninbpt frente a la electrooxidaci\u00f3n de etanol y bioetanol para su aplicaci\u00f3n en dafcs<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Comportamiento electrocatal\u00edtico de aleaciones amorfas de base ninbpt frente a la electrooxidaci\u00f3n de etanol y bioetanol para su aplicaci\u00f3n en dafcs <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Tamara Carballo Blanco <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 07\/07\/2014<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Angel Rodriguez Pierna<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Rodriguez amaro <\/li>\n<li>Luis Mar\u00eda Gandia pascual (vocal)<\/li>\n<li>Juan  Jos\u00e9 Del val altuna (vocal)<\/li>\n<li>Francisco Jos\u00e9 Huerta arraez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Tamara Carballo Blanco Uno de los principales objetivos en el desarrollo de dafcs consiste en disminuir la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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