{"id":23795,"date":"2013-02-15T09:14:15","date_gmt":"2013-02-15T09:14:15","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/?p=23795"},"modified":"2013-02-15T14:44:18","modified_gmt":"2013-02-15T14:44:18","slug":"airbus-abandonne-la-technologie-lithium-ion-pour-ses-futures-batteries","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2013\/02\/15\/airbus-abandonne-la-technologie-lithium-ion-pour-ses-futures-batteries\/","title":{"rendered":"Airbus abandonne, pour un temps, la technologie Lithium-Ion pour ses futures batteries"},"content":{"rendered":"

\"\"<\/a>\u00a0 J’avais imagin\u00e9 dans une vie professionnelle ant\u00e9rieure, il y a de cela plus d’une d\u00e9cennie, les cons\u00e9quences n\u00e9fastes d’un incident d’une batterie rechargeable au Lithium \u00e0 bord d’un a\u00e9roplane et j’avais fait part des cons\u00e9quences possibles de cette hypoth\u00e8se pessimiste \u00e0 ma hi\u00e9rarchie multiple et\u00a0 polytechnicienne.\u00a0 Mon approche, \u00e0 l’\u00e9poque,\u00a0 avait \u00e9t\u00e9 jug\u00e9e\u00a0 \u00ab\u00a0dinosaurienne\u00a0\u00bb, oppos\u00e9e \u00e0 la marche in\u00e9luctable du progr\u00e8s, et fort malvenue par les grands esprits sup\u00e9rieurs auxquels je devais respect, admiration et dont je devais \u00e9viter, \u00e0 tout prix, de d\u00e9ranger les certitudes math\u00e9matiques.<\/p>\n

Je dois avouer, pr\u00e8s de quinze ans plus tard, que je n’aurais jamais pu imaginer l’impasse technologique et financier\u00a0 formidable devant lequel se retrouve aujourd’hui cette grande compagnie qu’est Boeing qui va devoir \u00ab\u00a0r\u00e9trofiter\u00a0\u00bb\u00a0 les syst\u00e8mes de secours \u00e9lectrique de tous ses Boeing 787 de derni\u00e8re g\u00e9n\u00e9ration. Grosse b\u00eatise technologique imagin\u00e9e avec un fournisseur japonais, tr\u00e8s connu pour sa comp\u00e9tence dans les petites batteries pour gadgets \u00e9lectroniques portables et qui avait d\u00e9couvert l’existence d’un business a\u00e9ronautique lors de visites des usines bordelaises de batteries.<\/p>\n

Devant cette d\u00e9route de l’industriel a\u00e9ronautique am\u00e9ricain et fort sagement, il semblerait qu’Airbus, pour assurer un lancement tardif mais r\u00e9ussi de ses futurs avions, ait d\u00e9cid\u00e9 de sacrifier la r\u00e9duction de masse des futures batteries de ses A350 au profit de la fiabilit\u00e9 des batteries Nickel-Cadmium traditionnelles largement \u00e9prouv\u00e9es.<\/p>\n

Il arrive que les avanc\u00e9es technologiques aient parfois le hoquet. Un point cl\u00e9 repose sur la comparaison entre l’enjeu et les risques associ\u00e9s \u00e0 l’introduction de ces nouvelles technologies. Dans le domaine de\u00a0 l’a\u00e9ronautique, en raison du caract\u00e8re peu acceptable des d\u00e9faillances, les sauts technologiques sont toujours difficiles \u00e0 d\u00e9velopper et \u00e0 franchir. Le succ\u00e8s repose sur une analyse objective et exp\u00e9rimentale des cas de d\u00e9faillances, une recherche de leurs causes et de la mise en place de solutions pr\u00e9ventives. Ce lent processus d’optimisation fonctionnelle demande du temps long, des efforts soutenus et donc des financements importants.<\/p>\n

De toute \u00e9vidence, ce travail n’a pas \u00e9t\u00e9 men\u00e9 correctement par le sous-traitant nippon dans le cas de la future batterie Li-Ion de Boeing puisque les autorit\u00e9s comp\u00e9tentes am\u00e9ricaines en sont encore \u00e0 la recherche des causes de d\u00e9faillances. Airbus en tire logiquement les cons\u00e9quences en se repliant sur une technologie connue.<\/p>\n

LIRE la d\u00e9p\u00eache de Reuters sur la d\u00e9cision d’Airbus<\/a>.<\/p>\n

Le 15 F\u00e9vrier 2013<\/p>\n","protected":false},"excerpt":{"rendered":"

\u00a0 J’avais imagin\u00e9 dans une vie professionnelle ant\u00e9rieure, il y a de cela plus d’une d\u00e9cennie, les cons\u00e9quences n\u00e9fastes d’un incident d’une batterie rechargeable au Lithium \u00e0 bord d’un a\u00e9roplane et j’avais fait part des cons\u00e9quences possibles de cette hypoth\u00e8se pessimiste \u00e0 ma hi\u00e9rarchie multiple et\u00a0 polytechnicienne.\u00a0 Mon approche, \u00e0 l’\u00e9poque,\u00a0 avait \u00e9t\u00e9 jug\u00e9e\u00a0 \u00ab\u00a0dinosaurienne\u00a0\u00bb, […]<\/p>\n","protected":false},"author":341,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-23795","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nAirbus abandonne, pour un temps, la technologie Lithium-Ion pour ses futures batteries - 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\/2013\/02\/15\/airbus-abandonne-la-technologie-lithium-ion-pour-ses-futures-batteries\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Airbus abandonne, pour un temps, la technologie Lithium-Ion pour ses futures batteries - 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