{"id":68078,"date":"2019-12-13T09:45:55","date_gmt":"2019-12-13T09:45:55","guid":{"rendered":"https:\/\/\/batterie-solid-state-de-1mm-depaisseur-pulverisant-tous-les-records\/"},"modified":"2019-12-13T09:45:55","modified_gmt":"2019-12-13T09:45:55","slug":"batterie-solid-state-de-1mm-depaisseur-pulverisant-tous-les-records","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/batterie-solid-state-de-1mm-depaisseur-pulverisant-tous-les-records\/","title":{"rendered":"Batterie solid state de 1mm d&rsquo;\u00e9paisseur pulv\u00e9risant tous les records"},"content":{"rendered":"<p><span class=\"tlid-translation translation\" lang=\"fr\">Pr\u00e9sent\u00e9 \u00e0 l&rsquo;IEDM 2019 dans un article intitul\u00e9 \u00ab\u00a0Batteries \u00e0 couche mince \u00e0 l&rsquo;\u00e9chelle millim\u00e9trique pour le stockage int\u00e9gr\u00e9 \u00e0 haute densit\u00e9 d&rsquo;\u00e9nergie\u00a0\u00bb (TFB), le nouveau design offre une densit\u00e9 d&rsquo;\u00e9nergie surfacique de 890 \u03bcAh.cm-2, la plus \u00e9lev\u00e9e rapport\u00e9e jusqu&rsquo;\u00e0 pr\u00e9sent pour de tels appareils, selon les auteurs. La nouvelle architecture TFB pr\u00e9sente \u00e9galement une densit\u00e9 de puissance \u00e9lev\u00e9e, atteignant une capacit\u00e9 aussi \u00e9lev\u00e9e que 450 \u03bcAh.cm-2 sous une densit\u00e9 de courant de 3mA.cm-2.<\/span><\/p>\n<p><span class=\"tlid-translation translation\" lang=\"fr\">\u00abLes batteries \u00e0 couches minces fournissent certaines des densit\u00e9s \u00e9nerg\u00e9tiques les plus \u00e9lev\u00e9es des dispositifs de stockage d&rsquo;\u00e9nergie \u00e9lectrochimique, mais la difficult\u00e9 \u00e0 augmenter les \u00e9paisseurs des \u00e9lectrodes et de contr\u00f4ler la g\u00e9om\u00e9trie \u00e0 l&rsquo;\u00e9chelle microm\u00e9trique avait jusqu&rsquo;\u00e0 pr\u00e9sent entrav\u00e9 leur densit\u00e9 d&rsquo;\u00e9nergie surfacique effective et leur int\u00e9gration dans des dispositifs miniaturis\u00e9s\u00bb , ont expliqu\u00e9 les auteurs.<\/span><\/p>\n<p>&nbsp;<\/p>\n<figure class=\"image\" style=\"float:right\"><img decoding=\"async\" alt=\"\" height=\"242\" data-src=\"https:\/\/eenews.cdnartwhere.eu\/sites\/default\/files\/images\/01-picture-library\/eenews\/2019\/2019-12-11-eenews-jh-cea.jpg\" width=\"345\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 345px; --smush-placeholder-aspect-ratio: 345\/242;\" \/><figcaption>SEM cross-sectional characterizations of the<br \/>\nsub-100\u00b5m-thick TFB structure.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p><span class=\"tlid-translation translation\" lang=\"fr\">La solution propos\u00e9e par l&rsquo;\u00e9quipe pour relever ces d\u00e9fis est une batterie \u00e0 couches minces \u00e0 haute densit\u00e9 d&rsquo;\u00e9nergie, int\u00e9grant une cathode LiCoO2 de 20 \u03bcm d&rsquo;\u00e9paisseur dans une configuration d&rsquo;anode sans Li, construite sur des tranches de silicium en utilisant la photolithographie UV et la gravure pour le d\u00e9p\u00f4t successif et la structuration de chaque couche. Parce qu&rsquo;elle est construite \u00e0 l&rsquo;aide d&rsquo;un processus au niveau de la plaquette, la nouvelle batterie pourrait \u00eatre \u00e9troitement int\u00e9gr\u00e9e \u00e0 d&rsquo;autres appareils \u00e9lectroniques tels que les implantables, r\u00e9duisant les co\u00fbts d&rsquo;assemblage et augmentant la fiabilit\u00e9.<\/span><\/p>\n<p><span class=\"tlid-translation translation\" lang=\"fr\">\u00ab\u00a0Des capteurs implantables ou des syst\u00e8mes de surveillance des fonctions biologiques tels que des capteurs de pression intra-oculaire et des mesures de la glyc\u00e9mie seraient particuli\u00e8rement adapt\u00e9s \u00e0 nos TFB\u00a0\u00bb, a observ\u00e9 Sami Oukassi, auteur principal de l&rsquo;article. \u00abLes syst\u00e8mes externes, tels que les implants cochl\u00e9aires et les lentilles de contact intelligentes, b\u00e9n\u00e9ficieraient \u00e9galement des avantages de cette technologie.\u00bb<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>CEA-Leti &#8211; <a href=\"http:\/\/www.leti-cea.com\/\" target=\"_blank\" rel=\"noopener\">www.leti-cea.com<\/a><\/p>\n<p><strong>Related articles:<\/strong><\/p>\n<p><a href=\"https:\/\/www.eenewseurope.com\/news\/solid-state-thin-film-battery-market-takes-driven-wireless-sensor-networks\">Solid state thin film battery market takes off driven by wireless sensor networks<\/a><\/p>\n<p><a href=\"https:\/\/www.eenewspower.com\/news\/iot-energy-storage-takes-shape-its-flexible-printed-and-thin\">IoT energy storage takes shape: its flexible, printed and thin<\/a><\/p>\n<p><a href=\"https:\/\/www.eenewspower.com\/news\/thin-and-flexible-energy-harvesting-could-be-cheap\">Thin and flexible energy harvesting could be cheap<\/a><\/p>\n<p><a href=\"https:\/\/www.eenewspower.com\/news\/thin-film-molten-lithium-boost-batteries\">Thin film molten lithium boost for batteries<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les chercheurs du CEA-Leti ont con\u00e7u des batteries en couche mince inorganiques enti\u00e8rement solides qui pr\u00e9sentent de meilleures performances que les dispositifs ant\u00e9rieurs et pourraient \u00e9largir le march\u00e9 des minuscules unit\u00e9s de stockage d&rsquo;\u00e9nergie dans les solutions m\u00e9dicales implantables, injectables et portables.<\/p>\n","protected":false},"author":22,"featured_media":68079,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[909,904],"domains":[47],"ppma_author":[1149],"class_list":["post-68078","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","tag-batteries-power-supplies-fr","tag-medicalelectronics-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Batterie solid state de 1mm d&#039;\u00e9paisseur pulv\u00e9risant tous les ...<\/title>\n<meta name=\"description\" content=\"Les chercheurs du CEA-Leti ont con\u00e7u des batteries 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