{"id":8350,"date":"2026-11-04T11:15:00","date_gmt":"2026-11-04T10:15:00","guid":{"rendered":"https:\/\/viva.racunalniske-novice.com\/natrijeve-baterije-z-grafensko-zascito-obetajo-hitrejse-polnjenje-in-do-10-000-ciklov\/"},"modified":"2026-11-04T11:15:00","modified_gmt":"2026-11-04T10:15:00","slug":"natrijeve-baterije-z-grafensko-zascito-obetajo-hitrejse-polnjenje-in-do-10-000-ciklov","status":"publish","type":"post","link":"https:\/\/viva.racunalniske-novice.com\/es\/las-baterias-de-sodio-con-proteccion-de-grafeno-prometen-una-carga-mas-rapida-y-hasta-10-000-ciclos\/","title":{"rendered":"Las bater\u00edas de sodio con protecci\u00f3n de grafeno prometen una carga m\u00e1s r\u00e1pida y hasta 10.000 ciclos."},"content":{"rendered":"<p class=\"wp-block-paragraph\">Las bater\u00edas de iones de sodio se est\u00e1n convirtiendo en una alternativa cada vez m\u00e1s atractiva a las de iones de litio, ya que se basan en materias primas m\u00e1s econ\u00f3micas y disponibles, ofrecen mayor seguridad y funcionan bien incluso a bajas temperaturas. Sin embargo, hasta ahora, los fabricantes se han visto obligados a elegir entre dos opciones: permitir la carga ultrarr\u00e1pida o garantizar una larga vida \u00fatil de la celda. La carga r\u00e1pida deteriora la estructura de las nanohojas, lo que reduce su vida \u00fatil en comparaci\u00f3n con la tecnolog\u00eda LFP convencional.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un equipo de investigaci\u00f3n chino podr\u00eda haber encontrado la soluci\u00f3n a este problema. Han desarrollado un \u00e1nodo compuesto por nanohojas de di\u00f3xido de titanio, de aproximadamente 10 nan\u00f3metros de tama\u00f1o, que forman esferas huecas de doble capa. La clave reside en un recubrimiento de grafeno de tan solo 0,4 nan\u00f3metros de espesor que rodea cada nanohoja. La simple mezcla de grafeno con otros materiales no produjo los mismos resultados, mientras que una capa protectora directa aument\u00f3 la conductividad el\u00e9ctrica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los resultados de las pruebas son muy prometedores. A una velocidad de carga r\u00e1pida de 10C, que te\u00f3ricamente tarda unos seis minutos, el \u00e1nodo mantuvo una capacidad de 131 mAh\/g incluso despu\u00e9s de 10\u00a0000 ciclos. A una velocidad de 100C, cuando la carga tardar\u00eda unos 36 segundos, alcanz\u00f3 una capacidad de 121 mAh\/g. En comparaci\u00f3n, las nanohojas sin protecci\u00f3n colapsaron despu\u00e9s de unos 400 ciclos. Los iones de sodio, de mayor tama\u00f1o, ejercen una gran presi\u00f3n sobre la superficie del \u00e1nodo durante la carga r\u00e1pida, y la capa protectora de grafeno evita la formaci\u00f3n de grietas y reacciones excesivas con el electrolito.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Todas estas mediciones se realizaron, por supuesto, en condiciones de laboratorio. Adem\u00e1s, el \u00e1nodo opera a un voltaje promedio m\u00e1s alto que los \u00e1nodos convencionales de carbono duro, lo que puede reducir la densidad energ\u00e9tica total de la bater\u00eda. Naturalmente, la nueva tecnolog\u00eda deber\u00e1 validarse en celdas y paquetes de bater\u00edas de mayor tama\u00f1o y dise\u00f1o comercial antes de que pueda utilizarse en veh\u00edculos el\u00e9ctricos de producci\u00f3n en masa.<\/p>","protected":false},"excerpt":{"rendered":"<p>Natrij-ionske baterije postajajo vse privla\u010dnej\u0161a alternativa litijevim, saj temeljijo na cenovno dostopnej\u0161ih in bolj raz\u0161irjenih surovinah, ponujajo ve\u010djo varnost ter dobro delujejo tudi pri nizkih temperaturah. Vendar so se morali proizvajalci do zdaj odlo\u010dati med dvema mo\u017enostma: omogo\u010diti nadvse hitro polnjenje ali zagotoviti dolgo \u017eivljenjsko dobo baterijskih celic. Pri hitrem polnjenju se je namre\u010d poru\u0161ila [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[90],"tags":[188],"class_list":["post-8350","post","type-post","status-publish","format-standard","hentry","category-avtomobilizem","tag-li-ion-baterija"],"acf":{"subtitle":"","heading":"","summary":"Nova anoda z grafenskim pla\u0161\u010dem omogo\u010da natrij-ionskim baterijam polnjenje v le nekaj minutah ter izjemno \u017eivljenjsko dobo nad 10.000 ciklov. Tehnologija odpira vrata \u0161ir\u0161i uporabi natrija v elektri\u010dnih vozilih.","thumbnail_small":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2026\/11\/Changan-CATL-Na-ion-battery-cold-weather-testing-2-560x315.jpg","thumbnail_large":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2026\/11\/Changan-CATL-Na-ion-battery-cold-weather-testing-2-1024x767.jpg","thumbnail_caption":"Foto: Changan","gallery":"","video_gallery":null,"author":"","links":null,"sources":[{"title":"notebookcheck","url":"https:\/\/www.notebookcheck.net\/Sodium-ion-battery-allows-fast-charging-and-longer-lifespan-with-graphene-shell.1441211.0.html"}],"skip_language":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Natrijeve baterije z grafensko za\u0161\u010dito obetajo hitrej\u0161e polnjenje in do 10.000 ciklov - Ra\u010dunalni\u0161ke novice<\/title>\n<meta name=\"description\" content=\"Nova anoda z grafenskim pla\u0161\u010dem omogo\u010da natrij-ionskim baterijam polnjenje v le nekaj minutah ter izjemno \u017eivljenjsko dobo nad 10.000 ciklov. Tehnologija odpira vrata \u0161ir\u0161i uporabi natrija v elektri\u010dn\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/viva.racunalniske-novice.com\/es\/wp-json\/wp\/v2\/posts\/8350\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Natrijeve baterije z grafensko za\u0161\u010dito obetajo hitrej\u0161e polnjenje in do 10.000 ciklov - Ra\u010dunalni\u0161ke novice\" \/>\n<meta property=\"og:description\" content=\"Natrij-ionske baterije postajajo vse privla\u010dnej\u0161a alternativa litijevim, saj temeljijo na cenovno dostopnej\u0161ih in bolj raz\u0161irjenih surovinah, ponujajo ve\u010djo varnost ter dobro delujejo tudi pri nizkih temperaturah. Vendar so se morali proizvajalci do zdaj odlo\u010dati med dvema mo\u017enostma: omogo\u010diti nadvse hitro polnjenje ali zagotoviti dolgo \u017eivljenjsko dobo baterijskih celic. 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