{"id":129725,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/contribucion-a-la-cinetica-electroquimica-del-dioxido-de-carbono-sobre-electrodos-de-platino-y-rodio-en-medios-acidos\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"contribucion-a-la-cinetica-electroquimica-del-dioxido-de-carbono-sobre-electrodos-de-platino-y-rodio-en-medios-acidos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/contribucion-a-la-cinetica-electroquimica-del-dioxido-de-carbono-sobre-electrodos-de-platino-y-rodio-en-medios-acidos\/","title":{"rendered":"Contribucion a la cinetica electroquimica del dioxido de carbono sobre electrodos de platino y rodio en medios acidos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Clementina Gomis Bas <\/strong><\/h2>\n<p>La reduccion del dioxido de carbono y su posterior electrooxidacion sobre electrodos de platino y rodio en medios acidos acuosos, fue estudiada en esta memoria haciendo uso de tres tecnicas diferentes.En una primera parte se analizo de manera rigurosa haciendo uso de metodos electroquimicos, principalmente la voltaperometria ciclica y analisis de la curva corriente-tiempo, la electroadsorcion y posterior electrooxidacion del dioxido de carbono, permitiendo hacer una analisis comparativo de electrodos y disolucion y aportandonos datos de una manera cuantitativa de los posibles mecanismos de reaccion.En una segunda parte y haciendo uso de la tecnica de espectroscopia de infrarrono \u00abin situ\u00bb se detectaron las especies existentes tanto en la reaccion de reduccion como los productos de la oxidacion que tiene lugar sobre electrodos de platino policristalino, orientado a 100 y electrodo de rodio.Teniendo en cuenta estas consideraciones se planteo un mecanismo que depende de la topografia y de la naturaleza del electrodo asi como de la composicion de la disolucion. Las tercera parte de esta tesis y en complemento con las otras dos anteriores, se analizo desde un punto de vista teorico-cuantico, la adsorcion del co2 sobre monocristales de platino (100) y (111) abordando el estudio desde una tecnica semiempirica.  de los resultados se concluye que la adsorcion del dioxido de carbono es una cinetica compleja que depende del potencial de adsorcion y del tiempo de oxidacion del residuo adsorbido.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Contribucion a la cinetica electroquimica del dioxido de carbono sobre electrodos de platino y rodio en medios acidos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Contribucion a la cinetica electroquimica del dioxido de carbono sobre electrodos de platino y rodio en medios acidos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Clementina Gomis Bas <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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>Carmen Arevalo Morales<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Agustin Arevalo Medina <\/li>\n<li>Francoise Hahn (vocal)<\/li>\n<li>Toribio Fernandez Otero (vocal)<\/li>\n<li> Palazon Lopez Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Clementina Gomis Bas La reduccion del dioxido de carbono y su posterior electrooxidacion sobre electrodos de platino [&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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