{"id":1037,"date":"2009-03-13T13:53:08","date_gmt":"2009-03-13T13:53:08","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/"},"modified":"2012-07-12T11:26:47","modified_gmt":"2012-07-12T11:26:47","slug":"des-supercapaci","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/","title":{"rendered":"Des supercapacit\u00e9s \u00ab\u00a0nanohybrides\u00a0\u00bb avec une \u00e9nergie sp\u00e9cifique de 20Wh\/litre"},"content":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; <strong><span style=\"font-size: 1.4em\">L<\/span><\/strong>es capacit\u00e9s mettent en oeuvre des accumulations de charges \u00e9lectriques \u00e0 l&rsquo;interface entre les deux \u00e9lectrodes et l&rsquo;\u00e9lectrolyte sans qu&rsquo;il y ait r\u00e9action \u00e9lectrochimique, c&rsquo;est \u00e0 dire sans transfert d&rsquo;\u00e9lectron. Il est cependant possible de cr\u00e9er des syst\u00e8mes hybrides o\u00f9 une \u00e9lectrode est celle d&rsquo;un condensateur classique, en charbon actif par exemple, et l&rsquo;autre \u00e9lectrode est \u00e0 la base celle d&rsquo;un accumulateur. Cependant, cette derni\u00e8re est con\u00e7ue de telle sorte qu&rsquo;elle accepte de tr\u00e8s forts courants par d\u00e9ploiement de tr\u00e8s grandes surfaces (J=I\/S). Si cette \u00e9lectrode met en oeuvre des mat\u00e9riaux nano particulaires permettant d&rsquo;acc\u00e9der \u00e0 de grandes surfaces d&rsquo;\u00e9change (S) permettant de r\u00e9duire la densit\u00e9 de courant (J) pour un courant donn\u00e9 (I), on peut alors parler de syst\u00e8mes &quot;nanohybrides&quot;. L&rsquo;Universit\u00e9 de Tokyo d&rsquo;Agriculture et de Technologie (TUAT) revendique une technologie \u00e0 base de titanate de lithium dispers\u00e9 au sein de nanofibres de carbone qui devrait permettre de d\u00e9finir des supercapacit\u00e9s pr\u00e9sentant une \u00e9nergie sp\u00e9cifique de 20 Wh\/litre, soit 6 \u00e0 7 fois plus \u00e9lev\u00e9e que les meilleures supercapacit\u00e9s du commerce (Ex. module FDK de 525F).<a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/li4ti5o12carbonnanofiber1.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"408\" alt=\"Li4ti5o12carbonnanofiber\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/li4ti5o12carbonnanofiber.jpg\" width=\"480\"  \/><\/a> <\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Ce produit&nbsp; inclut de tr\u00e8s fines particules de Li4Ti5O12 \u00e0 l&rsquo;int\u00e9rieur et \u00e0 l&rsquo;ext\u00e9rieur de la nanofibre peut \u00eatre charg\u00e9 en Li7Ti5O12 ou d\u00e9charg\u00e9 en 12 secondes. <\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;L&rsquo;utilisation de nanomat\u00e9riaux se pr\u00eate bien \u00e0 cette recherche d&rsquo;augmentation des surfaces mises en jeu afin de r\u00e9duire les densit\u00e9s de courant. Mais il ne faut cependant pas croire que ces produits tr\u00e8s \u00e9labor\u00e9s vont demain remplacer les batteries. M\u00eame \u00e0 20 Wh\/litre on est encore loin des plus de 200 Wh\/litre des accumulateurs de type Li-Ion pour batteries de v\u00e9hicules. Les supercapacit\u00e9s sont \u00e0 ce jour essentiellement utilis\u00e9es comme organes de secours \u00e9lectrique de faible autonomie (freinage d&rsquo;urgence, sauvegarde \u00e9lectronique) ou en tampon de grosses batteries d&rsquo;\u00e9nergie pour absorber les pointes de courants. Quand \u00e0 la charge ultra rapide des v\u00e9hicules \u00e9lectriques, il ne faut jamais oublier que pour charger 50 Ah en 5 minutes il faut arriver avec un courant de 600 Amp\u00e8res. C&rsquo;est le genre de chargeur sous 300 Volts qu&rsquo;on ne trouve pas dans toutes les bonnes drogueries.<\/p>\n<p>Le 13 Mars 2009.<\/p>\n<p>&#8211;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Les capacit\u00e9s mettent en oeuvre des accumulations de charges \u00e9lectriques \u00e0 l&rsquo;interface entre les deux \u00e9lectrodes et l&rsquo;\u00e9lectrolyte sans qu&rsquo;il y ait r\u00e9action \u00e9lectrochimique, c&rsquo;est \u00e0 dire sans transfert d&rsquo;\u00e9lectron. Il est cependant possible de cr\u00e9er des syst\u00e8mes hybrides o\u00f9 une \u00e9lectrode est celle d&rsquo;un condensateur classique, [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":12143,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1037","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Des supercapacit\u00e9s &quot;nanohybrides&quot; avec une \u00e9nergie sp\u00e9cifique de 20Wh\/litre - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Des supercapacit\u00e9s &quot;nanohybrides&quot; avec une \u00e9nergie sp\u00e9cifique de 20Wh\/litre - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Les capacit\u00e9s mettent en oeuvre des accumulations de charges \u00e9lectriques \u00e0 l&rsquo;interface entre les deux \u00e9lectrodes et l&rsquo;\u00e9lectrolyte sans qu&rsquo;il y ait r\u00e9action \u00e9lectrochimique, c&rsquo;est \u00e0 dire sans transfert d&rsquo;\u00e9lectron. Il est cependant possible de cr\u00e9er des syst\u00e8mes hybrides o\u00f9 une \u00e9lectrode est celle d&rsquo;un condensateur classique, [&hellip;]\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/li4ti5o12carbonnanofiber.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Raymond Bonnaterre\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/\",\"url\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/\",\"name\":\"Des supercapacit\u00e9s \\\"nanohybrides\\\" avec une \u00e9nergie sp\u00e9cifique de 20Wh\/litre - leblogenergie.com\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/li4ti5o12carbonnanofiber.jpg\",\"datePublished\":\"2009-03-13T13:53:08+00:00\",\"dateModified\":\"2012-07-12T11:26:47+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/#\/schema\/person\/debca67b8b93370360bdbd19ceb00794\"},\"breadcrumb\":{\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/#primaryimage\",\"url\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/li4ti5o12carbonnanofiber.jpg\",\"contentUrl\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/li4ti5o12carbonnanofiber.jpg\",\"width\":\"480\",\"height\":\"408\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Des supercapacit\u00e9s \u00ab\u00a0nanohybrides\u00a0\u00bb avec une \u00e9nergie sp\u00e9cifique de 20Wh\/litre\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/#website\",\"url\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/\",\"name\":\"leblogenergie\",\"description\":\"Just another The Social Media Group Network site\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/#\/schema\/person\/debca67b8b93370360bdbd19ceb00794\",\"name\":\"Raymond Bonnaterre\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/4c04f9e9aab7489452c52f805e42fbd3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/4c04f9e9aab7489452c52f805e42fbd3?s=96&d=mm&r=g\",\"caption\":\"Raymond Bonnaterre\"},\"url\":\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/author\/raymond-bonnaterre\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Des supercapacit\u00e9s \"nanohybrides\" avec une \u00e9nergie sp\u00e9cifique de 20Wh\/litre - leblogenergie.com","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/03\/13\/des-supercapaci\/","twitter_card":"summary_large_image","twitter_title":"Des supercapacit\u00e9s \"nanohybrides\" avec une \u00e9nergie sp\u00e9cifique de 20Wh\/litre - leblogenergie.com","twitter_description":"&nbsp; 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