{"id":418269,"date":"2023-04-04T19:54:00","date_gmt":"2023-04-04T17:54:00","guid":{"rendered":"https:\/\/www.eenewseurope.com\/?p=418269"},"modified":"2023-04-04T22:48:14","modified_gmt":"2023-04-04T20:48:14","slug":"des-batteries-de-softbank-dans-la-stratosphere","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/","title":{"rendered":"Des batteries de SoftBank dans la stratosph\u00e8re"},"content":{"rendered":"<h3><span style=\"font-size: 16px;\">Le bloc-batterie r\u00e9cemment d\u00e9velopp\u00e9 utilise des cellules ayant une \u00e9nergie sp\u00e9cifique de 439 Wh\/kg, soit plus de 1,5 fois celle des produits existants, afin de parvenir \u00e0 300 Wh\/kg pour le bloc-batterie.<\/span><\/h3>\n<p>SoftBank\u00a0 a annonc\u00e9 la mise au point d&rsquo;un bloc-batterie utilisant une cellule de batterie <strong>lithium-m\u00e9tal<\/strong> de nouvelle g\u00e9n\u00e9ration fabriqu\u00e9e par Enpower Japan\u00a0 avec une \u00e9nergie sp\u00e9cifique de 439 Wh\/kg destin\u00e9e \u00e0 \u00eatre utilis\u00e9e sur les plates-formes de communication sans fil stratosph\u00e9riques (\u00ab\u00a0HAPS\u00a0\u00bb). La soci\u00e9t\u00e9 a effectu\u00e9 un test de cycle de charge-d\u00e9charge de la batterie dans la stratosph\u00e8re du 30 janvier au 2 f\u00e9vrier 2023 aux \u00c9tats-Unis, en collaboration avec sa filiale HAPSMobile. L&rsquo;objectif est d&rsquo;offrir des\u00a0 services de communication sans fil bas\u00e9s sur les HAPS. Pour ce faire, il est essentiel de disposer de batteries de nouvelle g\u00e9n\u00e9ration stockant\u00a0 une \u00e9nergie sp\u00e9cifique \u00e9lev\u00e9e et capables de fonctionner dans les conditions de la stratosph\u00e8re.<\/p>\n<p><strong>Des tests dans la stratosph\u00e8re<\/strong><\/p>\n<p>Bien que la batterie ait d\u00e9j\u00e0 \u00e9t\u00e9 test\u00e9e dans une chambre d&rsquo;essai simulant les temp\u00e9ratures et la pression atmosph\u00e9rique de la stratosph\u00e8re, SoftBank a test\u00e9 avec succ\u00e8s la batterie dans la stratosph\u00e8re. La batterie test\u00e9e pour le HAPS a \u00e9t\u00e9 d\u00e9velopp\u00e9e en coop\u00e9ration avec ENAX Inc.\u00a0<\/p>\n<p>Par rapport aux batteries lithium-ion disponibles sur le march\u00e9, les batteries lithium-m\u00e9tal offrent une \u00e9nergie sp\u00e9cifique plus importante et sont connues pour leur dur\u00e9e de vie et une pression de contrainte \u00e9lev\u00e9e pendant la charge et la d\u00e9charge. Par cons\u00e9quent, lorsque ces cellules sont assembl\u00e9es dans un bloc-batterie, l&rsquo;augmentation du poids des composants due au m\u00e9canisme de contrainte pose un probl\u00e8me de conception. En outre, \u00e9tant donn\u00e9 qu&rsquo;un bloc-batterie pour HAPS doit fonctionner correctement dans les conditions stratosph\u00e9riques \u00e0 des temp\u00e9ratures extr\u00eamement basses d&rsquo;environ -60\u2103, il est n\u00e9cessaire de d\u00e9velopper un syst\u00e8me de contr\u00f4le de la temp\u00e9rature qui comprend des r\u00e9chauffeurs et des mat\u00e9riaux d&rsquo;isolation pour maintenir une temp\u00e9rature constante&#8230;<\/p>\n<p>Lire la suite sur <a href=\"https:\/\/www.softbank.jp\/en\/corp\/news\/press\/sbkk\/2023\/20230316_01\/\">le site de Softbank<\/a>.<\/p>\n<p><a title=\"https:\/\/news.google.com\/publications\/CAAqBwgKMJbcwQswuPfYAw?hl=fr&amp;gl=BE&amp;ceid=BE:fr\" href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMJbcwQswuPfYAw?hl=fr&amp;gl=BE&amp;ceid=BE:fr\" target=\"news.google.com\" rel=\"noopener\">Suivre ECInews sur Google news<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le bloc-batterie r\u00e9cemment d\u00e9velopp\u00e9 utilise des cellules ayant une \u00e9nergie sp\u00e9cifique de 439 Wh\/kg, soit plus de 1,5 fois celle des produits existants, afin de parvenir \u00e0 300 Wh\/kg pour le bloc-batterie. SoftBank\u00a0 a annonc\u00e9 la mise au point d&rsquo;un bloc-batterie utilisant une cellule de batterie lithium-m\u00e9tal de nouvelle g\u00e9n\u00e9ration fabriqu\u00e9e par Enpower Japan\u00a0 avec [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":418272,"comment_status":"closed","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[1978,2877,3214],"domains":[47],"ppma_author":[1143,1139],"class_list":["post-418269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","tag-batteries","tag-lithium-metal","tag-stratosphere-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Des batteries de SoftBank dans la stratosph\u00e8re ...<\/title>\n<meta name=\"description\" content=\"Des batteries Lithium-metal dans la stratosph\u00e8re pour la t\u00e9l\u00e9communications\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/418269\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Des batteries de SoftBank dans la stratosph\u00e8re\" \/>\n<meta property=\"og:description\" content=\"Des batteries Lithium-metal dans la stratosph\u00e8re pour la t\u00e9l\u00e9communications\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/418269\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2023-04-04T17:54:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-04-04T20:48:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.eenewseurope.com\/wp-content\/uploads\/2023\/04\/Softbank.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"594\" \/>\n\t<meta property=\"og:image:height\" content=\"411\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Daniel Cardon, Wisse Hettinga\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daniel Cardon\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/\"},\"author\":{\"name\":\"Daniel Cardon\",\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#\/schema\/person\/93c44cde463762f40a8236eaa44c1c17\"},\"headline\":\"Des batteries de SoftBank dans la stratosph\u00e8re\",\"datePublished\":\"2023-04-04T17:54:00+00:00\",\"dateModified\":\"2023-04-04T20:48:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/\"},\"wordCount\":385,\"publisher\":{\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#organization\"},\"keywords\":[\"Batteries\",\"Lithium-Metal\",\"stratosphere\"],\"articleSection\":[\"Technologies\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/\",\"url\":\"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/\",\"name\":\"Des batteries de SoftBank dans la stratosph\u00e8re -\",\"isPartOf\":{\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#website\"},\"datePublished\":\"2023-04-04T17:54:00+00:00\",\"dateModified\":\"2023-04-04T20:48:14+00:00\",\"description\":\"Des batteries Lithium-metal dans la stratosph\u00e8re pour la t\u00e9l\u00e9communications\",\"breadcrumb\":{\"@id\":\"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.ecinews.fr\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Des batteries de SoftBank dans la stratosph\u00e8re\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#website\",\"url\":\"https:\/\/www.eenewseurope.com\/en\/\",\"name\":\"EENewsEurope\",\"description\":\"Just another WordPress site\",\"publisher\":{\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.eenewseurope.com\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#organization\",\"name\":\"EENewsEurope\",\"url\":\"https:\/\/www.eenewseurope.com\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/2022\/02\/logo-1.jpg\",\"contentUrl\":\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/2022\/02\/logo-1.jpg\",\"width\":283,\"height\":113,\"caption\":\"EENewsEurope\"},\"image\":{\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#\/schema\/person\/93c44cde463762f40a8236eaa44c1c17\",\"name\":\"Daniel Cardon\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.eenewseurope.com\/en\/#\/schema\/person\/image\/2b243f6bcc1cff7d86aadfb2cd0bd870\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/de9edc136dfc061ad4778e04635baefa?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/de9edc136dfc061ad4778e04635baefa?s=96&d=mm&r=g\",\"caption\":\"Daniel Cardon\"}}]}<\/script>","yoast_head_json":{"title":"Des batteries de SoftBank dans la stratosph\u00e8re ...","description":"Des batteries Lithium-metal dans la stratosph\u00e8re pour la t\u00e9l\u00e9communications","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/418269\/","og_locale":"fr_FR","og_type":"article","og_title":"Des batteries de SoftBank dans la stratosph\u00e8re","og_description":"Des batteries Lithium-metal dans la stratosph\u00e8re pour la t\u00e9l\u00e9communications","og_url":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/418269\/","og_site_name":"EENewsEurope","article_published_time":"2023-04-04T17:54:00+00:00","article_modified_time":"2023-04-04T20:48:14+00:00","og_image":[{"width":594,"height":411,"url":"https:\/\/www.eenewseurope.com\/wp-content\/uploads\/2023\/04\/Softbank.jpg","type":"image\/jpeg"}],"author":"Daniel Cardon, Wisse Hettinga","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Daniel Cardon","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/#article","isPartOf":{"@id":"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/"},"author":{"name":"Daniel Cardon","@id":"https:\/\/www.eenewseurope.com\/en\/#\/schema\/person\/93c44cde463762f40a8236eaa44c1c17"},"headline":"Des batteries de SoftBank dans la stratosph\u00e8re","datePublished":"2023-04-04T17:54:00+00:00","dateModified":"2023-04-04T20:48:14+00:00","mainEntityOfPage":{"@id":"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/"},"wordCount":385,"publisher":{"@id":"https:\/\/www.eenewseurope.com\/en\/#organization"},"keywords":["Batteries","Lithium-Metal","stratosphere"],"articleSection":["Technologies"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/","url":"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/","name":"Des batteries de SoftBank dans la stratosph\u00e8re -","isPartOf":{"@id":"https:\/\/www.eenewseurope.com\/en\/#website"},"datePublished":"2023-04-04T17:54:00+00:00","dateModified":"2023-04-04T20:48:14+00:00","description":"Des batteries Lithium-metal dans la stratosph\u00e8re pour la t\u00e9l\u00e9communications","breadcrumb":{"@id":"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.eenewseurope.com\/fr\/des-batteries-de-softbank-dans-la-stratosphere\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.ecinews.fr\/fr\/"},{"@type":"ListItem","position":2,"name":"Des batteries de SoftBank dans la stratosph\u00e8re"}]},{"@type":"WebSite","@id":"https:\/\/www.eenewseurope.com\/en\/#website","url":"https:\/\/www.eenewseurope.com\/en\/","name":"EENewsEurope","description":"Just another WordPress site","publisher":{"@id":"https:\/\/www.eenewseurope.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.eenewseurope.com\/en\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.eenewseurope.com\/en\/#organization","name":"EENewsEurope","url":"https:\/\/www.eenewseurope.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.eenewseurope.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.ecinews.fr\/wp-content\/uploads\/2022\/02\/logo-1.jpg","contentUrl":"https:\/\/www.ecinews.fr\/wp-content\/uploads\/2022\/02\/logo-1.jpg","width":283,"height":113,"caption":"EENewsEurope"},"image":{"@id":"https:\/\/www.eenewseurope.com\/en\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.eenewseurope.com\/en\/#\/schema\/person\/93c44cde463762f40a8236eaa44c1c17","name":"Daniel Cardon","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.eenewseurope.com\/en\/#\/schema\/person\/image\/2b243f6bcc1cff7d86aadfb2cd0bd870","url":"https:\/\/secure.gravatar.com\/avatar\/de9edc136dfc061ad4778e04635baefa?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/de9edc136dfc061ad4778e04635baefa?s=96&d=mm&r=g","caption":"Daniel Cardon"}}]}},"authors":[{"term_id":1143,"user_id":11,"is_guest":0,"slug":"danielcardon","display_name":"Daniel Cardon","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/de9edc136dfc061ad4778e04635baefa?s=96&d=mm&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""},{"term_id":1139,"user_id":7,"is_guest":0,"slug":"wisse-hettinga","display_name":"Wisse Hettinga","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/24a36fe68de56eac2a45cbaf9aa4bb58?s=96&d=mm&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/418269"}],"collection":[{"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/comments?post=418269"}],"version-history":[{"count":0,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/418269\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/media\/418272"}],"wp:attachment":[{"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/media?parent=418269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/categories?post=418269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/tags?post=418269"},{"taxonomy":"domains","embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/domains?post=418269"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/ppma_author?post=418269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}