{"id":3029,"date":"2008-02-17T14:05:06","date_gmt":"2008-02-17T14:05:06","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/02\/17\/batterie-au-lit\/"},"modified":"2012-07-12T10:25:37","modified_gmt":"2012-07-12T10:25:37","slug":"batterie-au-lit","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/02\/17\/batterie-au-lit\/","title":{"rendered":"Une batterie au lithium polym\u00e8re \u00e9quipe le dernier ordinateur MacBook"},"content":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; <a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/macbook1.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"165\" alt=\"Macbook\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/macbook.jpg\" width=\"250\"  \/><\/a> <strong><span style=\"font-size: 1.4em\">L<\/span><\/strong>&lsquo;\u00e9quipe de Nikkei Electronics a d\u00e9mont\u00e9 un ordinateur MacBook Air dont l&rsquo;\u00e9paisseur est inf\u00e9rieure \u00e0 20 mm. Equip\u00e9 d&rsquo;un microprocesseur Intel Core 2 Duo de 1.6 GHz et d&rsquo;une m\u00e9moire de 2 GBytes. C&rsquo;est un appareil haut de gamme. Sa source d&rsquo;\u00e9nergie est une batterie de type <span style=\"color: #333333\">Lithium Polym\u00e8re <\/span>de 7,2V de tension et pr\u00e9sentant une \u00e9nergie de 37 Wh, soit une capacit\u00e9 de 5Ah environ. Elle occupe les deux tiers de la surface et qui est accessible quand on ouvre le fond en Aluminium de l&rsquo;appareil.<\/p>\n<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/macbookbatterie1.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"168\" alt=\"Macbookbatterie\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/macbookbatterie.jpg\" width=\"250\"  \/><\/a>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp; Les batteries au Lithium polym\u00e8re mettent en oeuvre un \u00e9lectrolyte immobilis\u00e9 par divers types de polym\u00e8res qui par adh\u00e9sion assurent une structure sandwich entre \u00e9lectrode positive, s\u00e9parateur conducteur ionique et \u00e9lectrode n\u00e9gative. L&rsquo;ensemble est emball\u00e9 dans un sachet flexible aluminis\u00e9 et thermo scell\u00e9. Les probl\u00e8mes d&rsquo;\u00e9tanch\u00e9it\u00e9 et de passage des collecteurs de courants sont \u00e0 ce jour r\u00e9solus. Cependant en raison de changement de formes en cyclage et de possible formation de gaz, cette structure peut avoir tendance \u00e0 gonfler, en particulier \u00e0 haute temp\u00e9rature (70\u00b0C). La conception d&rsquo;un tel syst\u00e8me doit donc pr\u00e9voir des \u00e9changes thermiques avec l&rsquo;ext\u00e9rieur, ce qui explique que le fond de l&rsquo;ordinateur soit en Aluminium, form\u00e9 sous pression, de 1mm d&rsquo;\u00e9paisseur environ.<a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/macbookbatteriecoussin1.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"155\" alt=\"Macbookbatteriecoussin\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/macbookbatteriecoussin.jpg\" width=\"250\"  \/><\/a> La batterie sur l&rsquo;autre face comporte un &quot;coussin&quot; en \u00e9lastom\u00e8re alv\u00e9ol\u00e9 pr\u00e9vu pour absorber les \u00e9ventuels ph\u00e9nom\u00e8nes de gonflement et assurer un certain isolement thermique avec la partie \u00e9lectronique, source de chaleur. <\/p>\n<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Cet ordinateur pr\u00e9sente un design et des caract\u00e9ristiques techniques s\u00e9duisantes. Le choix d&rsquo;une batterie de type Lithium polym\u00e8re peut cependant constituer une limite technique de ce produit en cas d&rsquo;utilisation intensive sur batterie dans des conditions thermiques p\u00e9nalisantes. La batterie peut \u00eatre apparemment facilement remplac\u00e9e ce qui minimise la remarque.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; L&lsquo;\u00e9quipe de Nikkei Electronics a d\u00e9mont\u00e9 un ordinateur MacBook Air dont l&rsquo;\u00e9paisseur est inf\u00e9rieure \u00e0 20 mm. Equip\u00e9 d&rsquo;un microprocesseur Intel Core 2 Duo de [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":7855,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1154],"tags":[],"class_list":["post-3029","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-comment-ca-marche"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Une batterie au lithium polym\u00e8re \u00e9quipe le dernier ordinateur MacBook - 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\/02\/17\/batterie-au-lit\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Une batterie au lithium polym\u00e8re \u00e9quipe le dernier ordinateur MacBook - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; L&lsquo;\u00e9quipe de Nikkei Electronics a d\u00e9mont\u00e9 un ordinateur MacBook Air dont l&rsquo;\u00e9paisseur est inf\u00e9rieure \u00e0 20 mm. 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