{"id":2681,"date":"2008-04-24T18:42:11","date_gmt":"2008-04-24T18:42:11","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/04\/24\/un-nouveau-type\/"},"modified":"2012-07-12T10:36:12","modified_gmt":"2012-07-12T10:36:12","slug":"un-nouveau-type","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/04\/24\/un-nouveau-type\/","title":{"rendered":"Un nouveau type d&rsquo;\u00e9lectrode n\u00e9gative pour les accumulateurs Lithium-Ion"},"content":{"rendered":"<p>&nbsp; &nbsp;&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 accumulateurs Lithium-Ion utilisent comme \u00e9lectrode n\u00e9gative des carbones de type graphite d\u00e9pos\u00e9s \u00e0 l&rsquo;aide d&rsquo;un liant sur un mince feuillard de cuivre. Ce type d&rsquo;\u00e9lectrode dans lequel le Lithium s&rsquo;ins\u00e8re durant la charge de l&rsquo;accumulateur est d&rsquo;un co\u00fbt raisonnable. Il est internationalement utilis\u00e9 dans les accumulateurs Lithium-Ion.&nbsp; Le japonais Mitsui Mining annonce avoir mis au point une \u00e9lectrode \u00e0 base de Silicium rev\u00eatu de Cuivre qui pr\u00e9senterait une <u>capacit\u00e9 volumique deux fois sup\u00e9rieure<\/u> \u00e0 celle des \u00e9lectrodes en Carbone et qui ne pr\u00e9senterait pas de ph\u00e9nom\u00e8ne de gonflement en cyclage. L&rsquo;\u00e9nergie volumique des accumulateurs serait accrue de 30% \u00e0 50% dit la notice et la puissance serait am\u00e9lior\u00e9e.<a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/silx21.png\"><img loading=\"lazy\" decoding=\"async\" height=\"250\" alt=\"Silx2\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/silx2.png\" width=\"480\"  \/><\/a> <\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Mitsui Mining se dit pr\u00eat \u00e0 coop\u00e9rer avec les fabricants d&rsquo;accumulateurs pour passer \u00e0 une \u00e9tape de production de masse et \u00e0 leur c\u00e9der les droits d&rsquo;acc\u00e8s \u00e0 cette technologie.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Un premier frein au d\u00e9veloppement de masse de cette nouvelle technologie semble \u00eatre le co\u00fbt de l&rsquo;\u00e9lectrode rempla\u00e7ant du Carbone, \u00e9labor\u00e9 certes, par du Silicium. Ce surco\u00fbt pourrait \u00eatre partiellement compens\u00e9 par une meilleure utilisation de l&rsquo;\u00e9lectrode positive qui elle aussi, est on\u00e9reuse.<\/p>\n<p>Voir <a href=\"http:\/\/www.mitsui-kinzoku.co.jp\/en\/pdf\/2008\/topics_080410.pdf\">l&rsquo;annonce<\/a> de Mitsui Mining (en anglais)<\/p>\n<p>Le 24 Avril 2008<\/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;&nbsp; &nbsp; Les accumulateurs Lithium-Ion utilisent comme \u00e9lectrode n\u00e9gative des carbones de type graphite d\u00e9pos\u00e9s \u00e0 l&rsquo;aide d&rsquo;un liant sur un mince feuillard de cuivre. Ce type d&rsquo;\u00e9lectrode dans lequel le Lithium s&rsquo;ins\u00e8re durant la charge de l&rsquo;accumulateur est d&rsquo;un co\u00fbt raisonnable. Il est internationalement utilis\u00e9 dans les [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":8600,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2681","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>Un nouveau type d&#039;\u00e9lectrode n\u00e9gative pour les accumulateurs Lithium-Ion - 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\/2008\/04\/24\/un-nouveau-type\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Un nouveau type d&#039;\u00e9lectrode n\u00e9gative pour les accumulateurs Lithium-Ion - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Les accumulateurs Lithium-Ion utilisent comme \u00e9lectrode n\u00e9gative des carbones de type graphite d\u00e9pos\u00e9s \u00e0 l&rsquo;aide d&rsquo;un liant sur un mince feuillard de cuivre. 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