{"id":42112,"date":"2019-03-18T00:00:00","date_gmt":"2019-03-17T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/novyj-nanoporistyj-material-obeshhaet-uluchshit-batarei-i-katalizatory"},"modified":"2020-02-18T13:44:54","modified_gmt":"2020-02-18T10:44:54","slug":"novyj-nanoporistyj-material-obeshhaet-uluchshit-batarei-i-katalizatory","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/novyj-nanoporistyj-material-obeshhaet-uluchshit-batarei-i-katalizatory","title":{"rendered":"Nouveau mat\u00e9riau nanoporeux promet d'am\u00e9liorer les batteries et les catalyseurs.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Le centre de recherche belge Imec a annonc\u00e9 le d\u00e9veloppement d'une technologie peu co\u00fbteuse pour la production de mat\u00e9riaux nanoporeux aux caract\u00e9ristiques exceptionnelles. Ce mat\u00e9riau unique, sous forme de structure nanoporeuse, pr\u00e9sente une porosit\u00e9 extr\u00eamement \u00e9lev\u00e9e et un rapport surface\/volume sans pr\u00e9c\u00e9dent. Imaginez une petite canette de soda, dont 75 % du contenu est constitu\u00e9 de vides, avec une surface totale \u00e9quivalente \u00e0 celle d'un terrain de football. De plus, la production de ce mat\u00e9riau est relativement simple et peu co\u00fbteuse, et il peut \u00eatre fabriqu\u00e9 \u00e0 partir presque de n'importe quel m\u00e9tal. Ainsi, le champ d'application de ce mat\u00e9riau nanoporeux pourrait \u00eatre tr\u00e8s vaste.<\/p>\n<p><img decoding=\"async\" alt=\"Nouveau mat\u00e9riau nanoporeux promet d&#039;am\u00e9liorer les batteries et les catalyseurs.\" src=\"\/wp-content\/uploads\/2019\/03\/a3aaa685e0d9292f1586936e97a13059.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Cependant, la principale utilisation du nouveau mat\u00e9riau \u00e0 structure nanoporeuse et grande surface interne r\u00e9side dans les r\u00e9actions chimiques n\u00e9cessitant de grandes surfaces pour acc\u00e9l\u00e9rer les r\u00e9actions. Par exemple, il pourrait \u00eatre utilis\u00e9 dans des batteries lithium-ion, o\u00f9 l'augmentation de la surface de r\u00e9action lors de la conversion du lithium en ions lithium entra\u00eene une augmentation de la puissance d\u00e9livr\u00e9e et de l'efficacit\u00e9. De plus, la nature m\u00e9tallique du nanomat\u00e9riau permet de connecter directement des contacts pour le pr\u00e9l\u00e8vement de courant. Ce mat\u00e9riau poreux am\u00e9liorera \u00e9galement le fonctionnement des pile \u00e0 hydrog\u00e8ne et des syst\u00e8mes d'extraction d'hydrog\u00e8ne \u00e0 partir de l'eau. Au lieu d'une membrane catalytique en nickel expans\u00e9 d'environ un millim\u00e8tre d'\u00e9paisseur, par exemple, le nouveau mat\u00e9riau est 300 fois plus fin, mais produit le m\u00eame effet que le nickel. L'\u00e9nergie verte et les batteries pourraient b\u00e9n\u00e9ficier d'une am\u00e9lioration significative des technologies et des solutions.<\/p>\n<p><img decoding=\"async\" alt=\"Nouveau mat\u00e9riau nanoporeux promet d&#039;am\u00e9liorer les batteries et les catalyseurs.\" src=\"\/wp-content\/uploads\/2019\/03\/73ddd4f040f4a66e85df8b28b20e2a1b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/center><\/p>\n<p>La fabrication de ce nouveau mat\u00e9riau est assez simple, comme mentionn\u00e9 pr\u00e9c\u00e9demment. Tout d'abord, un moule est fabriqu\u00e9 \u00e0 partir de feuille d'aluminium par anodisation. Ensuite, le processus de galvanoplastie est lanc\u00e9 avec un dosage pr\u00e9cis d'aluminium m\u00e9tallique (ou d'un autre m\u00e9tal). Apr\u00e8s avoir rempli les vides dans le moule, ce dernier est dissous, lib\u00e9rant la structure en nid d'abeille de nanofils. Une bande de mat\u00e9riau nanoporeux ressemble \u00e0 une feuille. Elle est flexible et ne se casse pas, contrairement aux mat\u00e9riaux nanoporeux modernes fabriqu\u00e9s par d'autres m\u00e9thodes. Nous attendons sa mise en \u0153uvre pratique. Nous avons de plus en plus besoin de ces batteries.<\/p>\n<p><img decoding=\"async\" alt=\"Nouveau mat\u00e9riau nanoporeux promet d&#039;am\u00e9liorer les batteries et les catalyseurs.\" src=\"\/wp-content\/uploads\/2019\/03\/9b9903b0b5bf332de966755c69654699.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><center><\/p>\n<p><\/center><\/p>\n<p>\t\t\t\t<center><br \/>\n\t\t\t\t\t\t\t\t<\/center><\/p>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/984140\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0411\u0435\u043b\u044c\u0433\u0438\u0439\u0441\u043a\u0438\u0439 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0439 \u0446\u0435\u043d\u0442\u0440 Imec \u0441\u043e\u043e\u0431\u0449\u0438\u043b \u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043d\u0435\u0434\u043e\u0440\u043e\u0433\u043e\u0439 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430 \u043d\u0430\u043d\u043e\u043f\u043e\u0440\u0438\u0441\u0442\u043e\u0433\u043e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430 \u0441 \u0432\u044b\u0434\u0430\u044e\u0449\u0438\u043c\u0438\u0441\u044f \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430\u043c\u0438. \u0423\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0439 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b \u0432 \u0432\u0438\u0434\u0435 \u043d\u0430\u043d\u043e\u044f\u0447\u0435\u0438\u0441\u0442\u043e\u0439 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u043e\u0431\u043b\u0430\u0434\u0430\u0435\u0442 \u0447\u0440\u0435\u0437\u0432\u044b\u0447\u0430\u0439\u043d\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u043f\u043e\u0440\u0438\u0441\u0442\u043e\u0441\u0442\u044c\u044e \u0438 \u0431\u0435\u0441\u043f\u0440\u0435\u0446\u0435\u0434\u0435\u043d\u0442\u043d\u044b\u043c \u0441\u043e\u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435\u043c \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438 \u043a \u043e\u0431\u044a\u0451\u043c\u0443. \u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u044c\u0442\u0435 \u0441\u0435\u0431\u0435 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0443\u044e \u0431\u0430\u043d\u043a\u0443 \u0433\u0430\u0437\u0438\u0440\u043e\u0432\u043a\u0438, 75&nbsp;% \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u2015 \u044d\u0442\u043e \u043f\u0443\u0441\u0442\u043e\u0442\u044b \u0441 \u043e\u0431\u0449\u0435\u0439 \u043f\u043b\u043e\u0449\u0430\u0434\u044c\u044e \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438 \u0441 \u0444\u0443\u0442\u0431\u043e\u043b\u044c\u043d\u043e\u0435 \u043f\u043e\u043b\u0435. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430 \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0441\u0442\u043e\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-42112","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0411\u0435\u043b\u044c\u0433\u0438\u0439\u0441\u043a\u0438\u0439 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0439 \u0446\u0435\u043d\u0442\u0440 Imec \u0441\u043e\u043e\u0431\u0449\u0438\u043b \u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 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