{"id":2610,"date":"2008-05-08T10:05:59","date_gmt":"2008-05-08T10:05:59","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/05\/08\/japon-tonen-lar\/"},"modified":"2012-07-12T10:38:08","modified_gmt":"2012-07-12T10:38:08","slug":"japon-tonen-lar","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/05\/08\/japon-tonen-lar\/","title":{"rendered":"Japon: Tonen \u00e9largit sa gamme de s\u00e9parateurs pour accumulateurs Lithium-Ion"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/tonen2.gif\"><img loading=\"lazy\" decoding=\"async\" height=\"48\" alt=\"Tonen\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/tonen.gif\" width=\"250\"  \/><\/a>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Les s\u00e9parateurs des accumulateurs Lithium-Ion sont des films microporeux \u00e0 base de polyol\u00e9fines de 15 \u00e0 30 microns d&rsquo;\u00e9paisseurs. Ils doivent laisser passer les ions solvat\u00e9s qui assurent le transfert de charge au sein de l&rsquo;\u00e9lectrolyte, mais ils doivent aussi emp\u00eacher tout ph\u00e9nom\u00e8ne de court-circuit m\u00eame en cas d&#8217;emballement ou d&rsquo;\u00e9chauffement&nbsp; intempestif de la batterie. Leur conception est donc un compromis entre conductivit\u00e9 et s\u00e9curit\u00e9. Tonen Chemical, du groupe ExxonMobil, est un leader japonais dans ce cr\u00e9neau; la conception de ses produits doit suivre les sp\u00e9cifications qui sont en train d&rsquo;\u00e9voluer radicalement avec l&rsquo;apparition des batteries industrielles de type lithium-Ion pour v\u00e9hicules hybrides ou \u00e9lectriques.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;Passer du t\u00e9l\u00e9phone portable ou de l&rsquo;ordinateur \u00e0 un v\u00e9hicule \u00e9lectrique, n\u00e9cessite pour le syst\u00e8me batterie plusieurs sauts technologiques relatifs aux co\u00fbts des produits de base et \u00e0 la s\u00e9curit\u00e9 de l&rsquo;ensemble, qui va reposer sur plusieurs niveaux et prendre en compte plusieurs types d&rsquo;al\u00e9as. Le niveau UN dans la conception va, entre autres param\u00e8tres, reposer sur le choix du s\u00e9parateur. Tonen propose un nouveau s\u00e9parateur de type coextrud\u00e9 qui am\u00e9liore la conductivit\u00e9, la solidit\u00e9 mais aussi r\u00e9duit les ph\u00e9nom\u00e8nes de retrait (shrinkage) \u00e0 haute temp\u00e9rature. Un des param\u00e8tres d\u00e9terminants du succ\u00e8s de ce produit va \u00eatre le prix de vente choisi par Tonen. Nul doute qu&rsquo;avec la mont\u00e9e des volumes consomm\u00e9s, les prix devraient devenir tout \u00e0 fait comp\u00e9titifs.<\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; En attendant, ExxonMobil qui n&rsquo;avait jamais parl\u00e9 de cette activit\u00e9 perdue au fin fond du Japon pendant des d\u00e9cennies, en fait maintenant un axe majeur de sa communication \u00e9cologique. Le personnel de Tonen doit en \u00eatre pour le moins, surpris.<\/p>\n<p>Lire le <a href=\"http:\/\/www.exxonmobilchemical.com\/Public_PA\/WorldwideEnglish\/Newsroom\/NewsReleases\/chem_nr_050608.asp\">communiqu\u00e9<\/a> d&rsquo;ExxonMobil (en anglais)<\/p>\n<p>Le 8 Mai 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 s\u00e9parateurs des accumulateurs Lithium-Ion sont des films microporeux \u00e0 base de polyol\u00e9fines de 15 \u00e0 30 microns d&rsquo;\u00e9paisseurs. Ils doivent laisser passer les ions solvat\u00e9s qui assurent le transfert de charge au sein de l&rsquo;\u00e9lectrolyte, mais ils doivent aussi emp\u00eacher tout ph\u00e9nom\u00e8ne de court-circuit m\u00eame en [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":8751,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-2610","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vehicules-electriques"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Japon: Tonen \u00e9largit sa gamme de s\u00e9parateurs pour 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\/05\/08\/japon-tonen-lar\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Japon: Tonen \u00e9largit sa gamme de s\u00e9parateurs pour 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 s\u00e9parateurs des accumulateurs Lithium-Ion sont des films microporeux \u00e0 base de polyol\u00e9fines de 15 \u00e0 30 microns d&rsquo;\u00e9paisseurs. 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