{"id":29126,"date":"2021-09-30T10:19:09","date_gmt":"2021-09-30T14:19:09","guid":{"rendered":"https:\/\/blog.canadamotorjobs.com\/une-solution-aux-incendies-de-batteries-de-vehicules-electriques\/"},"modified":"2021-09-30T10:30:05","modified_gmt":"2021-09-30T14:30:05","slug":"une-solution-aux-incendies-de-batteries-de-vehicules-electriques","status":"publish","type":"post","link":"https:\/\/news.canadamotorjobs.com\/fr\/une-solution-aux-incendies-de-batteries-de-vehicules-electriques\/","title":{"rendered":"Une solution aux incendies de batteries de v\u00e9hicules \u00e9lectriques"},"content":{"rendered":"<\/p>\n<p>Des chercheurs de Singapour ont test\u00e9 une &#8220;couche anti-court-circuit&#8221; dans plus de 50 batteries et aucun court-circuit n&#8217;a \u00e9t\u00e9 d\u00e9tect\u00e9. Cette couche protectrice \u00e9limine les courts-circuits caus\u00e9s par la formation de dendrites sur les batteries lithium-ion qui relient les cathodes et les anodes. Cette solution augmenterait les co\u00fbts de fabrication des batteries d&#8217;environ 5 %.<br \/> Pr\u00e9venir les incendies dans les v\u00e9hicules \u00e9lectriques<br \/> Suite aux rappels massifs de la Bolt, des incendies du Hyundai Kona et des Tesla qui ont aussi \u00e9t\u00e9 victime d\u2019incendies, l\u2019industrie automobile s\u2019est pench\u00e9e sur des solutions et a peut-\u00eatre trouv\u00e9 une solution.<br \/> Un anti court-circuit<br \/> Cette invention est appel\u00e9e &#8220;couche anti-court-circuit&#8221; car il s&#8217;agit d&#8217;une couche appliqu\u00e9e sur le s\u00e9parateur \u00e0 l&#8217;int\u00e9rieur des cellules qui emp\u00eache les dendrites de compl\u00e9ter un circuit entre les cathodes et les anodes, ce qui provoque un court-circuit et est \u00e0 l\u2019origine des probl\u00e8mes d\u2019incendies dans les v\u00e9hicules \u00e9lectriques.<\/p>\n<p> Les dendrites sont des microstructures m\u00e9talliques qui se forment dans les cellules des piles en raison d&#8217;un d\u00e9faut de fabrication ou d&#8217;un fonctionnement dans des conditions difficiles, comme un froid extr\u00eame que l\u2019on conna\u00eet bien chez nous. Lorsque ces dendrites se d\u00e9veloppent, elles peuvent ponter les contacts entre les anodes et les cathodes, ce qui entra\u00eene souvent un incendie.<br \/> Changer la trajectoire<br \/> Cette couche n&#8217;emp\u00eacherait pas les dendrites de se former, mais elle les dirigerait d&#8217;une mani\u00e8re s\u00fbre pour la batterie.<\/p>\n<p> Les chercheurs pr\u00e9cisent que cette &#8220;couche anti-court-circuit&#8221; est constitu\u00e9e d&#8217;un mat\u00e9riau couramment utilis\u00e9 dans la production de batteries, mais<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs de Singapour ont test\u00e9 une &#8220;couche anti-court-circuit&#8221; dans plus de 50 batteries et aucun court-circuit n&#8217;a \u00e9t\u00e9 d\u00e9tect\u00e9. Cette couche protectrice \u00e9limine les courts-circuits caus\u00e9s par la formation de dendrites sur les batteries lithium-ion qui relient les cathodes et les anodes. Cette solution augmenterait les co\u00fbts de fabrication des batteries d&#8217;environ 5 %. [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":29130,"comment_status":"close","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[101],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Une solution aux incendies de batteries de v\u00e9hicules \u00e9lectriques - CanadaMotorJobs.com<\/title>\n<meta name=\"description\" content=\"Une solution aux incendies de batteries de v\u00e9hicules \u00e9lectriques - Benoit Charette - Annuel automobile - CanadaMotorJobs.com.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Une solution aux incendies de batteries de v\u00e9hicules \u00e9lectriques - 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Il a fait ses classes au c\u00f4t\u00e9 de Daniel H\u00e9raud et au Carnet de route de 1992 \u00e0 2001. Il est fondateur, copropri\u00e9taire et r\u00e9dacteur en chef de L\u2019Annuel de l\u2019automobile, qu\u2019il publie depuis 2001. Il a anim\u00e9 les \u00e9missions RPM et RPM+ sur V et les L\u00e9gendes de la route sur Historia. \u00c0 la radio depuis 1986, il reprend l\u2019antenne cette ann\u00e9e sur les ondes de Cogeco et participe pour la deuxi\u00e8me ann\u00e9e \u00e0 l\u2019\u00e9mission Passion Auto sur RDS en plus de mettre en ligne le site Web officiel de L\u2019Annuel de l\u2019automobile sur annuelauto.ca.","sameAs":["https:\/\/annuelauto.ca\/"],"url":"https:\/\/news.canadamotorjobs.com\/fr\/author\/benoit-charette\/"}]}},"_links":{"self":[{"href":"https:\/\/news.canadamotorjobs.com\/fr\/wp-json\/wp\/v2\/posts\/29126"}],"collection":[{"href":"https:\/\/news.canadamotorjobs.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.canadamotorjobs.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.canadamotorjobs.com\/fr\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/news.canadamotorjobs.com\/fr\/wp-json\/wp\/v2\/comments?post=29126"}],"version-history":[{"count":0,"href":"https:\/\/news.canadamotorjobs.com\/fr\/wp-json\/wp\/v2\/posts\/29126\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news.canadamotorjobs.com\/fr\/wp-json\/wp\/v2\/media\/29130"}],"wp:attachment":[{"href":"https:\/\/news.canadamotorjobs.com\/fr\/wp-json\/wp\/v2\/media?parent=29126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.canadamotorjobs.com\/fr\/wp-json\/wp\/v2\/categories?post=29126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.canadamotorjobs.com\/fr\/wp-json\/wp\/v2\/tags?post=29126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}