{"id":747,"date":"2009-08-20T11:49:12","date_gmt":"2009-08-20T11:49:12","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/08\/20\/les-batteries-lithiumion-sans-cobalt-vont-devenir-monnaie-courante\/"},"modified":"2012-07-12T11:48:39","modified_gmt":"2012-07-12T11:48:39","slug":"les-batteries-lithiumion-sans-cobalt-vont-devenir-monnaie-courante","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/08\/20\/les-batteries-lithiumion-sans-cobalt-vont-devenir-monnaie-courante\/","title":{"rendered":"Les batteries Lithium-Ion sans Cobalt vont devenir monnaie courante"},"content":{"rendered":"<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Le Cobalt, m\u00e9tal rare et cher (45$\/kg), est tr\u00e8s largement utilis\u00e9 dans les batteries modernes. Que ce soit dans les batteries de type Ni-MH o\u00f9 le Cobalt est mis en oeuvre sous forme d&#039;hydroxydes \u00e0 base de Nickel et de Cobalt et sous forme d&#039;alliages hydrurables de terres rares de Ni, de Co et autres m\u00e9taux de transition. C&#039;est aussi le cas dans&#160;certaines batteries Li-Ion qui utilisent des oxydes lithi\u00e9s de Cobalt ou de Nickel et Cobalt ou encore de ternaires Ni, Co, Mn. L&#039;utilisation massive de ce type de batteries dans la traction \u00e9lectrique impose, pour des questions de co\u00fbts,&#160;de s&#039;affranchir du Cobalt. Un candidat de substitution tout d\u00e9sign\u00e9 est le Fer, beaucoup moins on\u00e9reux. C&#039;est ainsi que le Japan&#039;s National Institute of Advanced Science and Technology (AIST) en collaboration avec un des ma\u00eetres japonais de la synth\u00e8se d&#039;oxydes lithi\u00e9s pour batteries, le chimiste Tanaka, a d\u00e9velopp\u00e9 de nouveaux oxydes \u00e0 base de Fer, Nickel et Mangan\u00e8se. Parmi les produits \u00e9tudi\u00e9s un oxyde de type Li (Fe<sub>0,2<\/sub>Ni<sub>0,2<\/sub>Mn<sub>0,6<\/sub>)O<sub>2 <\/sub>pr\u00e9sente des capacit\u00e9s sp\u00e9cifiques (250 Ah\/kg) et des tensions de d\u00e9charge (3,45V en accumulateur) qui en font un candidat particuli\u00e8rement int\u00e9ressant pour les applications de masse.<\/p>\n<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<span><\/span><span><\/span>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; &#160;Bien s\u00fbr les tests de long\u00e9vit\u00e9, de s\u00e9curit\u00e9&#160;ainsi que&#160;les probl\u00e8mes de Propri\u00e9t\u00e9 Industrielle d\u00e9termineront pour chacun des constructeurs le choix entre ce type d&#039;oxyde, ou un oxyde de Mangan\u00e8se de type spinelle (Li&#160;Mn<sub>2<\/sub>O<sub>4<\/sub>)&#160;ou un phosphate de Fer lithi\u00e9 (LiFePO4).<\/p>\n<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20120a55e969d970c-pi.png\"><img decoding=\"async\" alt=\"Tanaka-Fe-Ni-Mn\" class=\"at-xid-6a00d83451b18369e20120a55e969d970c \" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20120a55e969d970c-450wi.png\" \/><\/a>&#160;<\/p>\n<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; L&#039;AIST reprenant des travaux utilisant des oxydes lithi\u00e9s contenant du Titane \u00e9tablit une loi empirique montrant que la tension de d\u00e9charge de ces&#160;oxydes d\u00e9pend de leur teneur cumul\u00e9es en Fer, Mangan\u00e8se et Titane (FIG.II).<\/p>\n<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20120a507a08c970b-pi.png\"><img decoding=\"async\" alt=\"Tanaka-Fe-Ni-Mn2\" class=\"at-xid-6a00d83451b18369e20120a507a08c970b \" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20120a507a08c970b-450wi.png\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.aist.go.jp\/aist_j\/press_release\/pr2009\/pr20090817\/pr20090817.html\" target=\"_blank\" title=\"AIST oxydes lithi\u00e9s\">LIRE<\/a> l&#039;article en japonais de l&#039;AIST.&#160;<\/p>\n<p>Le 20 Ao\u00fbt 2009<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Le Cobalt, m\u00e9tal rare et cher (45$\/kg), est tr\u00e8s largement utilis\u00e9 dans les batteries modernes. Que ce soit dans les batteries de type Ni-MH o\u00f9 le Cobalt est mis en oeuvre sous forme d&#039;hydroxydes \u00e0 base de Nickel et de Cobalt et sous forme d&#039;alliages hydrurables de terres rares de Ni, de Co et [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":20761,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-747","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>Les batteries Lithium-Ion sans Cobalt vont devenir monnaie courante - 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\/08\/20\/les-batteries-lithiumion-sans-cobalt-vont-devenir-monnaie-courante\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Les batteries Lithium-Ion sans Cobalt vont devenir monnaie courante - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Le Cobalt, m\u00e9tal rare et cher (45$\/kg), est tr\u00e8s largement utilis\u00e9 dans les batteries modernes. 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