{"id":14858,"date":"2018-03-09T09:01:44","date_gmt":"2018-03-09T09:01:44","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sintesis-y-caracterizacion-de-membranas-polimericas-de-elevada-conduccion-protonicas-para-la-pilas-de-combustible-polimericas\/"},"modified":"2018-03-09T09:01:44","modified_gmt":"2018-03-09T09:01:44","slug":"sintesis-y-caracterizacion-de-membranas-polimericas-de-elevada-conduccion-protonicas-para-la-pilas-de-combustible-polimericas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/sintesis-y-caracterizacion-de-membranas-polimericas-de-elevada-conduccion-protonicas-para-la-pilas-de-combustible-polimericas\/","title":{"rendered":"Sintesis y caracterizaci\u00f3n de membranas polimericas de elevada conducci\u00f3n prot\u00f3nicas para la pilas de combustible polimericas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Huma Bashir Chaudhry <\/strong><\/h2>\n<p>El objetivo que se pretenden conseguir con esta memoria es la puesta a punto s\u00edntesis y caracterizaci\u00f3n de nuevas membranas polim\u00e9ricas de elevada conducci\u00f3n prot\u00f3nica y suficiente estabilidad dimensional para que puedan sustituir al nafion en las pilas de combustible alimentadas por hidr\u00f3geno o por metanol directo, como es bien conocido el nafion presenta varios inconvenientes cuando se quiere aplicar en pilas de combustible polimericas: 1) el precio que alcanza cifras prohibitivas (1 millon de pesetas por kilogramo), 2)sus propiedades conductoras son muy buenas pero su estabilidad dimensional es muy deficiente, habida cuenta que en su estado hidratado es un gel deforme que soporta malamente esfuerzos moderados y 3) cuando se quiere aplicar en pilas de combustible de metanol directo, la difusi\u00f3n de metanol a su trav\u00e9s es tan elevada que impide su uso en las pilas mencionadas.  para llevar a cabo este objetivo nos hemos planteado el desarrollo de los siguientes objetivos parciales.  1. Desarrollo de nuevos compuestos inorganicos que posean elevada conducci\u00f3n protonica a temperatura ambiente.  2. Desarrollo de nuevos sistemas ion\u00f3mericos obtenidos mediante reacci\u00f3n de sulfonaci\u00f3n homogenea o heterogenea de mezcla de pol\u00edmeros termopl\u00e1sticos convencionales y elastom\u00e9ricos.  desarrollo de nuevos sistemas ion\u00f3mericos obtenidos mediante reacci\u00f3n de sulfonaci\u00f3n homog\u00e9na o heter\u00f3genea de composites obtenidos por incorporaci\u00f3n de la cer\u00e1mica de elevada conducci\u00f3n prot\u00f3nica a diversos sistemas polim\u00e9ricos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Sintesis y caracterizaci\u00f3n de membranas polimericas de elevada conducci\u00f3n prot\u00f3nicas para la pilas de combustible polimericas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Sintesis y caracterizaci\u00f3n de membranas polimericas de elevada conducci\u00f3n prot\u00f3nicas para la pilas de combustible polimericas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Huma Bashir Chaudhry <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/12\/2001<\/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>Luis Acosta Jose<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  jose Freire gomez <\/li>\n<li>agustin Campos (vocal)<\/li>\n<li>flaviano Garcia alvarado (vocal)<\/li>\n<li>toribio Fernandez otero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Huma Bashir Chaudhry El objetivo que se pretenden conseguir con esta memoria es la puesta a punto [&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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