{"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\/de\/natriumbatterien-mit-graphenschutz-versprechen-schnelleres-laden-und-bis-zu-10-000-ladezyklen\/","title":{"rendered":"Natriumbatterien mit Graphenschutz versprechen schnelleres Laden und bis zu 10.000 Ladezyklen."},"content":{"rendered":"<p class=\"wp-block-paragraph\">Natriumionen-Akkus werden zunehmend zu einer attraktiven Alternative zu Lithiumionen-Akkus, da sie auf kosteng\u00fcnstigeren und weit verbreiteten Rohstoffen basieren, eine h\u00f6here Sicherheit bieten und auch bei niedrigen Temperaturen zuverl\u00e4ssig funktionieren. Bislang standen Hersteller jedoch vor der Wahl: entweder ultraschnelles Laden erm\u00f6glichen oder eine lange Lebensdauer der Akkuzellen gew\u00e4hrleisten. Schnellladen zerst\u00f6rt die Struktur der Nanoschichten, was ihre Lebensdauer im Vergleich zur etablierten LFP-Technologie verk\u00fcrzt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ein chinesisches Forschungsteam hat m\u00f6glicherweise einen Weg gefunden, diesen Zielkonflikt zu \u00fcberwinden. Sie entwickelten eine Anode aus Titandioxid-Nanobl\u00e4ttchen mit einer Gr\u00f6\u00dfe von etwa 10 Nanometern, die hohle Doppelschalenkugeln bilden. Die entscheidende Innovation ist eine nur 0,4 Nanometer dicke Graphenbeschichtung, die jedes einzelne Nanobl\u00e4ttchen umgibt. Das einfache Mischen von Graphen mit anderen Materialien f\u00fchrte nicht zu denselben Ergebnissen, w\u00e4hrend eine direkte Schutzschicht die elektrische Leitf\u00e4higkeit erh\u00f6hte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die Testergebnisse sind sehr vielversprechend. Bei einer Schnellladerate von 10C, die theoretisch etwa sechs Minuten dauert, behielt die Anode selbst nach 10.000 Zyklen eine Kapazit\u00e4t von 131 mAh\/g. Bei einer Rate von 100C, die etwa 36 Sekunden Ladezeit erfordert, erreichte sie eine Kapazit\u00e4t von 121 mAh\/g. Im Vergleich dazu brachen die ungesch\u00fctzten Nanoschichten nach etwa 400 Zyklen zusammen. Die gr\u00f6\u00dferen Natriumionen belasten die Anodenoberfl\u00e4che w\u00e4hrend der Schnellladung stark, und die Graphen-Schutzschicht verhindert die Bildung von Rissen und \u00fcberm\u00e4\u00dfige Reaktionen mit dem Elektrolyten.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Alle diese Messungen wurden selbstverst\u00e4ndlich unter Laborbedingungen durchgef\u00fchrt. Dar\u00fcber hinaus arbeitet die Anode mit einer h\u00f6heren durchschnittlichen Spannung als herk\u00f6mmliche Hartkohlenstoffanoden, was die Gesamtenergiedichte der Batterie verringern kann. Die neue Technologie muss selbstverst\u00e4ndlich in gr\u00f6\u00dferen, kommerziell gefertigten Batteriezellen und -packs validiert werden, bevor sie in serienm\u00e4\u00dfig hergestellten Elektrofahrzeugen eingesetzt werden kann.<\/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\/de\/wp-json\/wp\/v2\/posts\/8350\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\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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