{"id":170455,"date":"2017-06-06T23:30:59","date_gmt":"2017-06-06T23:30:59","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/batterie-etirable-imprimee\/"},"modified":"2017-06-06T23:30:59","modified_gmt":"2017-06-06T23:30:59","slug":"batterie-etirable-imprimee","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/batterie-etirable-imprimee\/","title":{"rendered":"Batterie \u00e9tirable imprim\u00e9e"},"content":{"rendered":"<p>La cl\u00e9 de la technologie est un mat\u00e9riau polym\u00e8re hyper-\u00e9lastique fabriqu\u00e9 \u00e0 partir d&rsquo;isopr\u00e8ne, l&rsquo;un des principaux ingr\u00e9dients en caoutchouc, qui a \u00e9t\u00e9 combin\u00e9 avec du polystyr\u00e8ne pour former un mat\u00e9riau appel\u00e9 SIS. Combin\u00e9e avec de l&rsquo;oxyde de zinc, cela permet aux piles de doubler leur taille, dans n&rsquo;importe quelle direction, sans subir de dommages. L&rsquo;encre utilis\u00e9e pour imprimer les piles est constitu\u00e9e de l&rsquo;oxyde d&rsquo;argent au zinc m\u00e9lang\u00e9 au SIS et de l&rsquo;ajout d&rsquo;oxyde de bismuth pour rendre les batteries rechargeables.<\/p>\n<p>\u00abC&rsquo;est une \u00e9tape importante vers l&rsquo;\u00e9lectronique \u00e9tirable auto-aliment\u00e9e\u00bb, a d\u00e9clar\u00e9 Joseph Wang, professeur de nanotechnologie \u00e0 la \u00ab\u00a0Jacobs School of Engineering\u00a0\u00bb de l&rsquo;UC San Diego. \u00ab\u00a0Nous nous attendons \u00e0 ce que cette technologie ouvre la voie \u00e0 d&rsquo;autres formes de stockage d&rsquo;\u00e9nergie et d&rsquo;\u00e9lectronique imprimable et \u00e9tirable, pas seulement pour les batteries \u00e0 base de zinc, mais aussi pour les batteries au lithium-ion, ainsi que pour les super-condensateurs et les cellules photovolta\u00efques\u00a0\u00bb.<\/p>\n<p>L&rsquo;ajout de l&rsquo;oxyde de bismuth a \u00e9t\u00e9 d\u00e9montr\u00e9 par la m\u00eame \u00e9quipe l&rsquo;ann\u00e9e derni\u00e8re. \u00ab\u00a0Comprendre le m\u00e9canisme scientifique nous permettra de transformer les piles non rechargeables en batteries rechargeables &#8211; pas seulement les batteries au zinc, mais aussi pour d&rsquo;autres \u00e9lectrochimies, comme le lithium-oxyg\u00e8ne\u00a0\u00bb, explique le professeur Y. Shirley Meng, qui dirige Le Centre de l&rsquo;\u00e9nergie et de l&rsquo;\u00e9nergie durables \u00e0 l&rsquo;UC San Diego Jacobs School of Engineering<\/p>\n<hr \/>\n<p>Les chercheurs ont utilis\u00e9 des techniques de s\u00e9rigraphie standard pour fabriquer les batteries ce qui r\u00e9duit consid\u00e9rablement les co\u00fbts de la technologie. Les piles peuvent \u00eatre imprim\u00e9es directement sur du tissu ou sur des mat\u00e9riaux qui permettent aux adh\u00e9sifs d&rsquo;adh\u00e9rer \u00e0 la peau et peuvent \u00e9galement \u00eatre imprim\u00e9s en bande pour alimenter un appareil qui n\u00e9cessite plus d&rsquo;\u00e9nergie.<\/p>\n<p>Le prototype de batterie d\u00e9velopp\u00e9 par les chercheurs a environ 20% de la capacit\u00e9 d&rsquo;une batterie d&rsquo;aide \u00e0 l&rsquo;oreille rechargeable et n\u00e9cessite deux cellules pour alimenter une LED 3V. Cependant il est d&rsquo;une \u00e9paisseur tr\u00e8s faible et utilise des mat\u00e9riaux disponibles dans le commerce.<\/p>\n<p>La prochaine \u00e9tape consiste \u00e0 am\u00e9liorer les performances de la batterie pour d&rsquo;autres applications.<\/p>\n<p><a href=\"http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/aenm.201602096\/full\">http:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/aenm.201602096\/full<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les chercheurs de l&rsquo;Universit\u00e9 de San Diego en Californie viennent de d\u00e9velopper la premi\u00e8re batterie de zinc imprim\u00e9e, souple, extensible et rechargeable.<\/p>\n","protected":false},"author":11,"featured_media":170456,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[909,890],"domains":[47],"ppma_author":[1143],"class_list":["post-170455","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-batteries-power-supplies-fr","tag-powermanagement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Batterie \u00e9tirable imprim\u00e9e ...<\/title>\n<meta name=\"description\" content=\"Les chercheurs de l&#039;Universit\u00e9 de San Diego en Californie viennent de d\u00e9velopper la premi\u00e8re batterie de zinc imprim\u00e9e, souple, extensible et...\" \/>\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\/170455\/\" 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