{"id":200151,"date":"2016-08-28T22:33:13","date_gmt":"2016-08-28T22:33:13","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/des-supercondensateurs-supportant-des-temperatures-elevees\/"},"modified":"2016-08-28T22:33:13","modified_gmt":"2016-08-28T22:33:13","slug":"des-supercondensateurs-supportant-des-temperatures-elevees","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/des-supercondensateurs-supportant-des-temperatures-elevees\/","title":{"rendered":"Des supercondensateurs supportant des temp\u00e9ratures \u00e9lev\u00e9es"},"content":{"rendered":"<p>Dans leur article \u00ab nano-composites polym\u00e8res Sandwich structur\u00e9 avec une densit\u00e9 \u00e9nerg\u00e9tique \u00e9lev\u00e9e et une grande efficacit\u00e9 de charge-d\u00e9charge \u00e0 haute temp\u00e9rature \u00bb, publi\u00e9 dans les dossiers de l&rsquo;Acad\u00e9mie nationale des sciences (PNAS), les scientifiques ont montr\u00e9 un fonctionnement \u00e0 temp\u00e9rature \u00e9lev\u00e9e pendant 24 heures d&rsquo;affil\u00e9e sur plus de 30.000 cycles, sans d\u00e9gradation.<\/p>\n<p>Par rapport aux produits disponibles sur le march\u00e9 (BOPP), la nouvelle structure sandwich nano-composite SSN-x double (x \u00e9tant le pourcentage de nano-composites de titanate de baryum dans la couche centrale) pr\u00e9sente la m\u00eame \u00e9nergie de charge-d\u00e9charge lors du fonctionnement \u00e0 150\u00baC ce que les produits standard offriraient \u00e0 70\u00baC.<\/p>\n<p>Le nouveau SSN-x offre plusieurs fois la densit\u00e9 d&rsquo;\u00e9nergie des BOPP, ce qui en fait un mat\u00e9riau prometteur pour les applications \u00e9lectriques dans l\u2019automobile et l&rsquo;a\u00e9rospatiale. Ces supercondensateurs sont moins encombrants tout en fonctionnant de mani\u00e8re plus stable \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es. De plus, comme le nouveau mat\u00e9riau composite ne chauffe pas, le syst\u00e8me de refroidissement est inutile.<\/p>\n<p>Les chercheurs recherchent maintenant de partenaires industriels pour effectuer des \u00e9tudes afin de passer \u00e0 la fabrication et d\u00e9terminer comment le nouveau mat\u00e9riau pourrait \u00eatre produit en volume \u00e0 des prix comp\u00e9titifs.<\/p>\n<p><a href=\"http:\/\/www.psu.edu\">Universit\u00e9 Penn State \u00e0 www.psu.edu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs de l&rsquo;Universit\u00e9 Penn State ont trouv\u00e9 un moyen pour emp\u00eacher la rupture di\u00e9lectrique et les fuites de supercondensateurs \u00e0 haute densit\u00e9 lorsqu\u2019ils sont soumis aux temp\u00e9ratures \u00e9lev\u00e9es que l\u2019on peut trouver dans les v\u00e9hicules hybrides et \u00e9lectriques, tout en augmentant leur densit\u00e9 \u00e9nerg\u00e9tique.<\/p>\n","protected":false},"author":11,"featured_media":200152,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[909,900],"domains":[47],"ppma_author":[1143],"class_list":["post-200151","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-batteries-power-supplies-fr","tag-electromechanical-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Des supercondensateurs supportant des temp\u00e9ratures \u00e9lev\u00e9es ...<\/title>\n<meta name=\"description\" content=\"Des chercheurs de l&#039;Universit\u00e9 Penn State ont trouv\u00e9 un moyen pour emp\u00eacher la rupture di\u00e9lectrique et les fuites de supercondensateurs \u00e0 haute densit\u00e9...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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