{"id":22736,"date":"2022-12-22T09:33:58","date_gmt":"2022-12-22T08:33:58","guid":{"rendered":"https:\/\/congopubonline.com\/?p=22736"},"modified":"2023-01-06T14:09:07","modified_gmt":"2023-01-06T13:09:07","slug":"avancee-majeure-pour-les-batteries-a-semi-conducteurs-pour-quelles-ne-declinent-plus-et-se-chargent-en-5-min","status":"publish","type":"post","link":"https:\/\/congopubonline.com\/?p=22736","title":{"rendered":"Avanc\u00e9e majeure pour les batteries \u00e0 semi-conducteurs pour qu\u2019elles ne d\u00e9clinent plus et se chargent en 5 min !"},"content":{"rendered":"\n

Des chercheurs sont parvenus \u00e0 cr\u00e9er un prototype de batterie \u00e0 semi-conducteurs dot\u00e9e d\u2019une nouvelle \u00e9lectrode prometteuse. Son alliage permet de r\u00e9gler le probl\u00e8me de stabilit\u00e9 que rencontre ce type de technologie et d\u2019augmenter sa dur\u00e9e de vie.<\/strong><\/a><\/p>\n\n\n\n

[EN VID\u00c9O] De Volta au graph\u00e8ne : l\u2019\u00e9volution des batteries Le type de batterie le plus courant est la batterie lithium-ion. Plusieurs technologies sont sur les rangs pour la remplacer.<\/p>\n\n\n\n

En mati\u00e8re de technologies de batterie, cela fait plusieurs ann\u00e9es que les batteries \u00e0 semi-conducteurs font l’objet de recherches pouss\u00e9es. En venant remplacer le liquide de l’\u00e9lectrolyte par un mat\u00e9riau solide, les avantages sont multipli\u00e9s. Avec elles, l\u2019autonomie pourrait doubler, la charge de la batterie s’acc\u00e9l\u00e9rer et la taille des cellules diminuer. Une formule qui serait parfaite si cette technologie ne rencontrait pas d’importants soucis de stabilit\u00e9 qui impactent fortement sa long\u00e9vit\u00e9. L’instabilit\u00e9 provient du mouvement des ions lithium durant la charge. Ils se dilatent puis r\u00e9duisent en taille et cela vient alt\u00e9rer rapidement la chimie.<\/p>\n\n\n\n

Pour r\u00e9gler ce probl\u00e8me, les chercheurs de l’universit\u00e9 de Nouvelle-Galles du Sud (UNSW Sydney) en Australie, dirig\u00e9s par le professeur Naoaki Yabuuchi de l’universit\u00e9 nationale de Yokohama, au Japon, ont planch\u00e9 sur une nouvelle \u00e9lectrode. Son mat\u00e9riau est compos\u00e9 de titanate de lithium et de dioxyde de vanadium, ainsi que de lithium. L’ensemble est broy\u00e9 et mix\u00e9 sous la forme de particules de taille nanom\u00e9trique.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

LES BATTERIES LITHIUM-ION DES V\u00c9HICULES \u00c9LECTRIQUES D’AUJOURD’HUI N’OFFRENT PAS LES PERFORMANCES ET LA DURABILIT\u00c9 N\u00c9CESSAIRES \u00c0 UN PRIX RAISONNABLE. \u00a9 BCLASS, SHUTTERSTOCK<\/p>\n\n\n\n

Augmenter l\u2019autonomie et la dur\u00e9e de vie de la batterie<\/h2>\n\n\n\n

L’alliage permet de conserver les propri\u00e9t\u00e9s des ions lithium au fil des cycles de charge et de d\u00e9charge. Avec ce proc\u00e9d\u00e9, les ions lithium ne se dilatent plus car les ions vanadium viennent remplir les espaces laiss\u00e9s vacants. Lors des tests, le prototype de batterie \u00e9tait dot\u00e9 d’une capacit\u00e9 de 300 mAh\/g. Celle-ci s’est maintenue m\u00eame apr\u00e8s 400 cycles de charge et de d\u00e9charge. Autrement dit, la batterie n’a pas d\u00e9clin\u00e9, comme c’est le cas habituellement avec les mod\u00e8les \u00e0 semi-conducteurs.<\/p>\n\n\n\n

Ce prototype est observ\u00e9 de pr\u00e8s par l’industrie des automobiles \u00e9lectriques. Cette technologie pourrait leur conf\u00e9rer une plus grande autonomie et rallonger la dur\u00e9e de vie des cellules. Enfin, le dernier atout est que, selon les chercheurs, une charge compl\u00e8te d’un v\u00e9hicule \u00e9lectrique pourrait \u00eatre r\u00e9alis\u00e9e en cinq minutes.<\/p>\n\n\n\n

FUTURA Science via CONGO PUB Online<\/strong><\/p>\n

<\/span> 221<\/span> Vues<\/span><\/div>","protected":false},"excerpt":{"rendered":"

Des chercheurs sont parvenus \u00e0 cr\u00e9er un prototype de batterie \u00e0 semi-conducteurs dot\u00e9e d\u2019une nouvelle \u00e9lectrode prometteuse. Son alliage permet de r\u00e9gler le probl\u00e8me de stabilit\u00e9 que rencontre ce type…<\/p>\n","protected":false},"author":1,"featured_media":22757,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[61],"tags":[],"class_list":["post-22736","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sci-et-tech"],"yoast_head":"\nAvanc\u00e9e majeure pour les batteries \u00e0 semi-conducteurs pour qu\u2019elles ne d\u00e9clinent plus et se chargent en 5 min ! - Congo Pub Online<\/title>\n<meta name=\"description\" content=\"Avanc\u00e9e majeure pour les batteries \u00e0 semi-conducteurs pour qu\u2019elles ne d\u00e9clinent plus et se chargent en 5 min !\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/congopubonline.com\/?p=22736\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Avanc\u00e9e majeure pour les batteries \u00e0 semi-conducteurs pour qu\u2019elles ne d\u00e9clinent plus et se chargent en 5 min !\" \/>\n<meta property=\"og:description\" content=\"Avanc\u00e9e majeure pour les batteries \u00e0 semi-conducteurs pour qu\u2019elles ne d\u00e9clinent plus et se chargent en 5 min !\" \/>\n<meta property=\"og:url\" content=\"https:\/\/congopubonline.com\/?p=22736\" \/>\n<meta property=\"og:site_name\" content=\"Congo Pub Online\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/web.facebook.com\/Congopubonline\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-22T08:33:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-06T13:09:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/congopubonline.com\/wp-content\/uploads\/2022\/12\/batterie-charge-rapide-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1820\" \/>\n\t<meta property=\"og:image:height\" content=\"948\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"admin9775\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@CONGOPUBOnline\" \/>\n<meta name=\"twitter:site\" content=\"@CONGOPUBOnline\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin9775\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/congopubonline.com\/?p=22736#article\",\"isPartOf\":{\"@id\":\"https:\/\/congopubonline.com\/?p=22736\"},\"author\":{\"name\":\"admin9775\",\"@id\":\"https:\/\/congopubonline.com\/#\/schema\/person\/d2f3a940be2e9c1a0e4f8831e203f3cc\"},\"headline\":\"Avanc\u00e9e majeure pour les batteries \u00e0 semi-conducteurs pour qu\u2019elles ne d\u00e9clinent plus et se chargent en 5 min !\",\"datePublished\":\"2022-12-22T08:33:58+00:00\",\"dateModified\":\"2023-01-06T13:09:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/congopubonline.com\/?p=22736\"},\"wordCount\":505,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/congopubonline.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/congopubonline.com\/?p=22736#primaryimage\"},\"thumbnailUrl\":\"https:\/\/congopubonline.com\/wp-content\/uploads\/2022\/12\/batterie-charge-rapide-1.webp\",\"articleSection\":[\"Science et Technologie\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/congopubonline.com\/?p=22736#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/congopubonline.com\/?p=22736\",\"url\":\"https:\/\/congopubonline.com\/?p=22736\",\"name\":\"Avanc\u00e9e majeure pour les batteries \u00e0 semi-conducteurs pour qu\u2019elles ne d\u00e9clinent plus et se chargent en 5 min ! 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