{"id":809,"date":"2009-07-07T17:10:49","date_gmt":"2009-07-07T17:10:49","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/07\/07\/un-brevet-interessant-sur-la-boucle-hydrure-daluminium-alh3-alane-aluminium\/"},"modified":"2012-07-12T11:43:55","modified_gmt":"2012-07-12T11:43:55","slug":"un-brevet-interessant-sur-la-boucle-hydrure-daluminium-alh3-alane-aluminium","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/07\/07\/un-brevet-interessant-sur-la-boucle-hydrure-daluminium-alh3-alane-aluminium\/","title":{"rendered":"Un brevet int\u00e9ressant sur la boucle hydrure d&rsquo;Aluminium AlH3 (Alane)\/ Aluminium"},"content":{"rendered":"<p>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Que ce soit pour apporter de l&#039;hydrog\u00e8ne \u00e0 une pile \u00e0 combustible ou mieux pour constituer le produit&#160;r\u00e9ducteur r\u00e9g\u00e9n\u00e9rable d&#039;une pile \u00e0 circulation en solvant organique, une des voies prometteuses des&#160;batteries du futur,&#160;le couple&#160;<strong>Al\/AlH<sub>3<\/sub><\/strong> constitue un candidat int\u00e9ressant. Dans un syst\u00e8me \u00e9lectrochimique \u00e0 d\u00e9finir sur une \u00e9lectrode l&#039;hydrure d&#039;Aluminium est oxyd\u00e9 en Aluminium, sur l&#039;autre polarit\u00e9 de l&#039;oxyg\u00e8ne par exemple est r\u00e9duit ces deux r\u00e9actions \u00e9lectrochimiques lib\u00e8rent une \u00e9nergie consid\u00e9rable qui va permettre de propulser un v\u00e9hicule \u00e9lectrique. La recharge de l&#039;ensemble consistera \u00e0 vidanger la solution usag\u00e9e contenant l&#039;Aluminium en suspension et \u00e0 la remplacer par une solution neuve contenant de l&#039;hydrure. Il reste alors dans une unit\u00e9 de traitement d&#039;isoler l&#039;Aluminium en poudre et de le transformer en hydrure. C&#039;est sur cette phase du processus que Ragaiy Zidan vient de d\u00e9poser un int\u00e9ressant brevet \u00e0 la suite des travaux de l&#039;inventeur et de son \u00e9quipe au sein du Savannah River Research Laboratory du DOE am\u00e9ricain.<\/p>\n<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e2011571d369a9970b-pi.jpg\"><img decoding=\"async\" alt=\"AlH3-Al-Zidan\" class=\"at-xid-6a00d83451b18369e2011571d369a9970b \" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e2011571d369a9970b-450wi.jpg\" \/><\/a> <\/p>\n<p>L&#039;hydrure d&#039;aluminium est obtenu par oxydation \u00e9lectrochimique du <strong>NaAlH<sub>4<\/sub><\/strong> (hydrure d&#039;aluminium sodium) en solution dans le THF. L&#039;oxydation de l&#039;anion <strong>AlH<sub>4<\/sub><sup>&#8211;<\/sup><\/strong> sur une anode d&#039;aluminium conduit \u00e0 l&#039;hydrure, alors que la r\u00e9duction du <strong>Na<sup>+<\/sup><\/strong> sur une cathode de Palladium hydrog\u00e9n\u00e9 conduit \u00e0 l&#039;hydrure de sodium NaH&#160;&#160;&#160; (FIG.). Apr\u00e8s utilisation de l&#039;alane AlH<sub>3<\/sub> et r\u00e9cup\u00e9ration de l&#039;Aluminium, le NaH sera utilis\u00e9 pour synth\u00e9tiser \u00e0 nouveau du NaAlH4 en pr\u00e9sence d&#039;hydrog\u00e8ne et d&#039;un catalyseur \u00e0 base de Titane.<\/p>\n<p><strong><span>NaH + Al +3\/2 H2 &#8212;&#8212;-<sup><span>Ti<\/span><\/sup> &#8212;&#8212;&gt; NaAlH4<\/span><\/strong><\/p>\n<p><span><span><\/span><span>Est ainsi d\u00e9fini un proc\u00e9d\u00e9 en boucle pour obtenir l&#039;AlH<sub>3<\/sub>&#160; \u00e0 partir de l&#039;Aluminium, via l&#039;interm\u00e9diaire de l&#039;hydrure d&#039;aluminium sodium.<\/span><\/span><\/p>\n<p><span><span><a href=\"http:\/\/www.faqs.org\/patents\/app\/20090038954\" target=\"_blank\" title=\"Brevet Zidan\">LIRE<\/a> le brevet de Zidan<\/span><\/span><\/p>\n<p><span><span>Le 7 Juillet 2009<\/span><\/span><\/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; Que ce soit pour apporter de l&#039;hydrog\u00e8ne \u00e0 une pile \u00e0 combustible ou mieux pour constituer le produit&#160;r\u00e9ducteur r\u00e9g\u00e9n\u00e9rable d&#039;une pile \u00e0 circulation en solvant organique, une des voies prometteuses des&#160;batteries du futur,&#160;le couple&#160;Al\/AlH3 constitue un candidat int\u00e9ressant. Dans un syst\u00e8me \u00e9lectrochimique \u00e0 d\u00e9finir sur une \u00e9lectrode l&#039;hydrure d&#039;Aluminium est oxyd\u00e9 en Aluminium, sur [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":20550,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-809","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-piles-a-combustible"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Un brevet int\u00e9ressant sur la boucle hydrure d&#039;Aluminium AlH3 (Alane)\/ Aluminium - 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\/07\/07\/un-brevet-interessant-sur-la-boucle-hydrure-daluminium-alh3-alane-aluminium\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Un brevet int\u00e9ressant sur la boucle hydrure d&#039;Aluminium AlH3 (Alane)\/ Aluminium - 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; Que ce soit pour apporter de l&#039;hydrog\u00e8ne \u00e0 une pile \u00e0 combustible ou mieux pour constituer le produit&#160;r\u00e9ducteur r\u00e9g\u00e9n\u00e9rable d&#039;une pile \u00e0 circulation en solvant organique, une des voies prometteuses des&#160;batteries du futur,&#160;le couple&#160;Al\/AlH3 constitue un candidat int\u00e9ressant. 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