{"id":15840,"date":"2022-10-25T09:27:30","date_gmt":"2022-10-25T01:27:30","guid":{"rendered":"https:\/\/battery9999.com\/fr\/?p=15840"},"modified":"2022-10-25T09:27:30","modified_gmt":"2022-10-25T01:27:30","slug":"la-batterie-ev-haute-densite-met-10-minutes-de-temps-de-charge-sur-la-table","status":"publish","type":"post","link":"https:\/\/battery9999.com\/fr\/la-batterie-ev-haute-densite-met-10-minutes-de-temps-de-charge-sur-la-table\/","title":{"rendered":"La batterie EV haute densit\u00e9 met 10 minutes de temps de charge sur la table"},"content":{"rendered":"<p>October 13, 2022<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-15831\" src=\"https:\/\/battery9999.com\/wp-content\/uploads\/2022\/10\/ev_tech_pennstate_highres-624x468-267x200.jpg\" alt=\"\" width=\"267\" height=\"200\" srcset=\"https:\/\/battery9999.com\/wp-content\/uploads\/2022\/10\/ev_tech_pennstate_highres-624x468-267x200.jpg 267w, https:\/\/battery9999.com\/wp-content\/uploads\/2022\/10\/ev_tech_pennstate_highres-624x468-450x338.jpg 450w, https:\/\/battery9999.com\/wp-content\/uploads\/2022\/10\/ev_tech_pennstate_highres-624x468.jpg 624w\" sizes=\"(max-width: 267px) 100vw, 267px\" \/><!--more--><\/p>\n<p>Les batteries plus grandes qui peuvent stocker plus d\u2019\u00e9nergie ne sont qu\u2019une partie du puzzle lorsqu\u2019il s\u2019agit de favoriser l\u2019adoption g\u00e9n\u00e9ralis\u00e9e des v\u00e9hicules \u00e9lectriques, les scientifiques s\u2019effor\u00e7ant \u00e9galement de minimiser les futurs temps de connexion gr\u00e2ce aux progr\u00e8s de la technologie de charge rapide. Les scientifiques de l\u2019Universit\u00e9 d\u2019\u00c9tat de Pennsylvanie op\u00e8rent \u00e0 la pointe de ce domaine depuis un certain temps et pr\u00e9sentent maintenant une autre perc\u00e9e importante, d\u00e9montrant une batterie haute densit\u00e9 qui peut \u00eatre recharg\u00e9e en 10 minutes environ. Dirig\u00e9 par Chao-Yang Wang, le avance vient d\u2019une \u00e9quipe d\u2019ing\u00e9nieurs responsable de certaines perc\u00e9es impressionnantes au cours des derni\u00e8res ann\u00e9es. En 2016, l\u2019\u00e9quipe s\u2019est attaqu\u00e9e au probl\u00e8me des performances entrav\u00e9es par climat froid pour les batteries au lithium en int\u00e9grant un m\u00e9canisme d\u2019autor\u00e9gulation de la temp\u00e9rature. Cela s\u2019est concentr\u00e9 sur une feuille de nickel qui r\u00e9chauffe rapidement la batterie \u00e0 des temp\u00e9ratures inf\u00e9rieures \u00e0 z\u00e9ro, lui permettant de fonctionner normalement. En 2019, l\u2019\u00e9quipe a exploit\u00e9 cette technologie pour charger un prototype de batterie au lithium \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es, des conditions qui provoqueraient normalement sa d\u00e9gradation. Cela impliquait \u00e0 nouveau l\u2019utilisation d\u2019une fine feuille de nickel, \u00e0 travers laquelle les \u00e9lectrons circulent pour chauffer rapidement la batterie en seulement 30 secondes, avant qu\u2019elle ne soit rapidement refroidie \u00e0 nouveau. Cela a \u00e9t\u00e9 fait de mani\u00e8re \u00e0 permettre \u00e0 la batterie de profiter d\u2019une charge plus rapide offerte par des temp\u00e9ratures \u00e9lev\u00e9es, mais sans la d\u00e9grader. Cette recherche a d\u00e9montr\u00e9 qu\u2019une batterie de v\u00e9hicule \u00e9lectrique pouvait \u00eatre charg\u00e9e en 10 minutes pour offrir une autonomie entre 200 et 300 milles (320 et 480 km). Les scientifiques ont continu\u00e9 \u00e0 exploiter cette technologie et, dans des recherches r\u00e9cemment publi\u00e9es, ont combin\u00e9 ce temps de charge rapide avec une densit\u00e9 d\u2019\u00e9nergie plus \u00e9lev\u00e9e dans un nouveau prototype de batterie. Il utilise \u00e0 nouveau l\u2019\u00e9l\u00e9ment chauffant en feuille de nickel pour s\u2019adapter \u00e0 des temps de charge plus rapides, avec le version de la batterie pr\u00e9sentant une densit\u00e9 d\u2019\u00e9nergie de 265 Wh\/kg, une augmentation par rapport aux 209 Wh\/kg de la version pr\u00e9c\u00e9dente. Cette densit\u00e9 d\u2019\u00e9nergie et ce court temps de charge sont d\u00e9crits comme une combinaison record et pourraient ouvrir des possibilit\u00e9s int\u00e9ressantes dans la conception de v\u00e9hicules \u00e9lectriques, selon l\u2019\u00e9quipe. \u201cLe besoin de batteries plus petites et \u00e0 charge plus rapide est plus grand que jamais\u201d, a d\u00e9clar\u00e9 Wang. \u201cIl n\u2019y a tout simplement pas assez de batteries et de mati\u00e8res premi\u00e8res essentielles, en particulier celles produites dans le pays, pour r\u00e9pondre \u00e0 la demande anticip\u00e9e.\u201d La batterie a pu \u00eatre charg\u00e9e \u00e0 70% en 11 minutes pendant 2 000 cycles, ce qui, selon l\u2019\u00e9quipe, \u00e9quivaut \u00e0 un demi-million. miles parcourus uniquement via une recharge rapide. Il voit cette nouvelle technologie de batterie ouvrir la porte \u00e0 des batteries moins ch\u00e8res, plus petites et \u00e0 haute densit\u00e9 \u00e9nerg\u00e9tique qui peuvent \u00eatre rapidement recharg\u00e9es pour garder les gens en mouvement. Cela d\u00e9pendrait d\u2019un acc\u00e8s g\u00e9n\u00e9ralis\u00e9 \u00e0 l\u2019infrastructure de charge appropri\u00e9e, mais si tout cela implique une escale de 10 minutes, vous pouvez imaginer que la technologie s\u2019av\u00e8re populaire dans les villes et les villes. \u201cNotre technologie de charge rapide fonctionne pour la plupart des batteries \u00e0 haute densit\u00e9 \u00e9nerg\u00e9tique. et ouvrira une nouvelle possibilit\u00e9 de r\u00e9duire la taille des batteries des v\u00e9hicules \u00e9lectriques de 150 \u00e0 50 kWh sans que les conducteurs ne ressentent d\u2019anxi\u00e9t\u00e9 d\u2019autonomie \u00bb, a d\u00e9clar\u00e9 Wang. \u201cLes batteries plus petites et \u00e0 charge plus rapide r\u00e9duiront consid\u00e9rablement le co\u00fbt des batteries et l\u2019utilisation de mati\u00e8res premi\u00e8res critiques telles que le cobalt, le graphite et le lithium, permettant l\u2019adoption massive de voitures \u00e9lectriques abordables.\u201d L\u2019\u00e9quipe travaille \u00e0 la commercialisation de la technologie par le biais de la soci\u00e9t\u00e9 d\u00e9riv\u00e9e EC Power , et a publi\u00e9 la recherche dans la revue Nature.Source : Pennsylvania State University<\/p>\n<p>La source:<a href=\"https:\/\/plexustimes.com\/la-batterie-ev-haute-densite-met-10-minutes-de-temps-de-charge-sur-la-table\/\">La batterie EV haute densit\u00e9 met 10 minutes de temps de charge sur la table &#8211; Plexus Times<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>October 13, 2022<\/p>\n","protected":false},"author":12,"featured_media":15831,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[795],"tags":[],"class_list":["post-15840","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-industrielles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - 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