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{"id":2320,"date":"2012-04-22T17:05:37","date_gmt":"2012-04-22T15:05:37","guid":{"rendered":"https:\/\/energethique.be\/?p=2320"},"modified":"2012-04-22T17:05:37","modified_gmt":"2012-04-22T15:05:37","slug":"une-batterie-qui-ne-manque-pas-de-souffle","status":"publish","type":"post","link":"https:\/\/energethique.be\/2012\/une-batterie-qui-ne-manque-pas-de-souffle\/","title":{"rendered":"Une batterie qui ne manque pas de souffle !"},"content":{"rendered":"

Vous le savez et nous en avons d\u00e9j\u00e0 discut\u00e9 sur le forum \u00e0 plusieurs reprises, le probl\u00e8me des v\u00e9hicules \u00e9lectriques est toujours l’autonomie et tant que ce probl\u00e8me ne sera pas r\u00e9solu les v\u00e9hicules \u00e9lectriques ne supplanteront jamais les v\u00e9hicules thermiques ou hybrides.<\/p>\n

IBM arrive d’ailleurs \u00e0 la m\u00eame conclusion, il y a plus d’un si\u00e8cle il y avait plus de v\u00e9hicules \u00e9lectrique que de v\u00e9hicules \u00e0 moteur thermique et pourtant c’est ce dernier qui a fini par prendre le dessus sur la f\u00e9e. Pourquoi ?
\nLa n\u00e9cessit\u00e9 des longs d\u00e9placements ainsi que la disponibilit\u00e9 d’une source de combustible plus abordable et d’une infrastructure plus fiable a permis aux moteurs \u00e0 combustion interne de d\u00e9tr\u00f4ner l’\u00e9lectron.<\/p>\n

Et si on arrivait \u00e0 r\u00e9inventer le stockage \u00e9lectrique ?
\nIBM<\/a>, Asahi Kasei<\/a> et Central Glass<\/a> investissent dans le d\u00e9veloppement d’une batterie promettant 800 km d’autonomie.
\nLe projet s’appelle : Battery 500.<\/p>\n

<\/iframe><\/p>\nLes batteries d’aujourd’hui \u00e0 <a href=\"http:\/\/fr.wikipedia.org\/wiki\/Batterie_lithium-ion\" title=\"LIB\" target=\"_blank\">technologie Lithium-ion<\/a> ne permettent qu’une autonomie de l’ordre de 150 km et cela repr\u00e9sente un frein consid\u00e9rable \u00e0 l’adoption de ce mode d’\u00e9nergie pour la voiture familiale typique.<\/p>\nConscient de ce probl\u00e8me IBM a lanc\u00e9 en 2009 un projet pr\u00e9voyant de multiplier par 10 la densit\u00e9 \u00e9nerg\u00e9tique des batteries Li-Ion et c’est en d\u00e9veloppant une batterie Lithium-Ion Air qu’ils sont pratiquement parvenus \u00e0 atteindre ce challenge.<\/p>\n<div style=\"width: 758px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" alt=\"\" src=\"http:\/\/www.ibm.com\/smarterplanet\/global\/images\/us__en_us__energy__battery500_info2__748x443.gif\" title=\"Battery 500\" width=\"560\" height=\"332\" \/>(c) IBM<\/p><\/div>\nLe mode de fonctionnement de la batterie utilise l’oxyg\u00e8ne de l’air qui lorsque la batterie se d\u00e9charge vient se fixer sur le lithium-ion pour former du peroxyde de lithium sur la matrice carbone. \nLors de la recharge la batterie lib\u00e8re alors l’oxyg\u00e8ne fix\u00e9 et le lithium se retrouve \u00e0 nouveau sur l’anode. \nUne animation valant mieux que 50 lignes :<\/p>\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"http:\/\/www.youtube.com\/embed\/8pMFLpiqPAc\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\nEn 2012 Asahi Kasei et Central Glass ont rejoint le projet.<\/p>\n","protected":false},"excerpt":{"rendered":"Vous le savez et nous en avons d\u00e9j\u00e0 discut\u00e9 sur le forum \u00e0 plusieurs reprises, le probl\u00e8me des v\u00e9hicules \u00e9lectriques est toujours l’autonomie et tant que ce probl\u00e8me ne sera pas r\u00e9solu les v\u00e9hicules \u00e9lectriques ne supplanteront jamais les v\u00e9hicules thermiques ou hybrides.<\/p>\nIBM arrive d’ailleurs \u00e0 la m\u00eame conclusion, il y a plus d’un si\u00e8cle il y avait plus de v\u00e9hicules \u00e9lectrique que de v\u00e9hicules \u00e0 moteur thermique et pourtant c’est ce dernier qui a fini par prendre le dessus […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[1],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pBGwz-Bq","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/2320"}],"collection":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/comments?post=2320"}],"version-history":[{"count":0,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/2320\/revisions"}],"wp:attachment":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/media?parent=2320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/categories?post=2320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/tags?post=2320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}