{"id":28617,"date":"2025-02-18T18:15:58","date_gmt":"2025-02-18T17:15:58","guid":{"rendered":"https:\/\/autoklastr.cz\/cs\/?p=28617"},"modified":"2025-02-19T19:01:22","modified_gmt":"2025-02-19T18:01:22","slug":"cinsti-vedci-vyvinuli-novou-lithium-vodikovou-baterii","status":"publish","type":"post","link":"https:\/\/autoklastr.cz\/cs\/cinsti-vedci-vyvinuli-novou-lithium-vodikovou-baterii\/","title":{"rendered":"\u010c\u00edn\u0161t\u00ed v\u011bdci vyvinuli novou lithium-vod\u00edkovou baterii"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong>Nov\u00e1 studie z \u010c\u00ednsk\u00e9 v\u011bdeckotechnick\u00e9 univerzity, publikovan\u00e1 v \u00fanorov\u00e9m \u010d\u00edsle 2025 n\u011bmeck\u00e9ho \u010dasopisu Angewandte Chemie International Edition, prok\u00e1zala novou chemickou technologii bateri\u00ed vyu\u017e\u00edvaj\u00edc\u00ed jako anodu plynn\u00fd vod\u00edk. Lithium-vod\u00edkov\u00e1 baterie v\u00fdzkumn\u00edk\u016f slibuje cenov\u011b v\u00fdhodnou alternativu k sou\u010dasn\u00fdm chemick\u00fdm produkt\u016fm a teoretickou hustotu energie a\u017e 2825 Wh\/kg.<\/strong><\/p>\n<p style=\"text-align: justify;\">Vod\u00edkov\u00e9 baterie ji\u017e existuj\u00ed a jako katoda se v nich pou\u017e\u00edv\u00e1 vod\u00edk. Pot\u00fdkaj\u00ed se v\u0161ak s omezen\u00edmi, pokud jde o nap\u011bt\u00ed a hustotu energie, co\u017e je dosud \u010dinilo nevhodn\u00fdmi pro elektromobily. Aby to v\u00fdzkumn\u00edci vy\u0159e\u0161ili, vytvo\u0159ili prototyp syst\u00e9mu, kter\u00fd spojuje katodu s difuzn\u00ed vrstvou plynn\u00e9ho vod\u00edku pota\u017eenou platinou s kovovou lithiovou anodou a pevn\u00fdm elektrolytem. Toto uspo\u0159\u00e1d\u00e1n\u00ed podstatn\u011b optimalizuje transport lithia a iont\u016f a z\u00e1rove\u0148 zabra\u0148uje ne\u017e\u00e1douc\u00edm chemick\u00fdm interakc\u00edm.<\/p>\n<p style=\"text-align: justify;\">Typick\u00e9 lithium-iontov\u00e9 baterie se pohybuj\u00ed v rozmez\u00ed 200-300 Wh\/k. Pokud by tato technologie splnila vysok\u00e9 sliby v\u00fdzkumn\u00edk\u016f a prosadila se, mohla by zv\u00fd\u0161it energetickou hustotu bateri\u00ed p\u0159ibli\u017en\u011b o 1000 %. Mezi dal\u0161\u00ed v\u00fdhody, kter\u00e9 v\u00fdzkumn\u00fd t\u00fdm zaznamenal, pat\u0159\u00ed vysok\u00e1 stabilita a \u00fa\u010dinnost 99,7 %. Jin\u00fdmi slovy, p\u0159i nab\u00edjen\u00ed a vyb\u00edjen\u00ed se ztr\u00e1c\u00ed jen velmi m\u00e1lo energie. Obvykle se ztr\u00e1ty energie p\u0159i nab\u00edjen\u00ed elektromobilu mohou pohybovat mezi 10-25 %.<\/p>\n<p style=\"text-align: justify;\">V\u00fdzkumn\u00edci tak\u00e9 vyvinuli variantu sv\u00e9ho prototypu, kter\u00e1 nevy\u017eaduje p\u0159edem instalovan\u00fd kovov\u00fd lithiov\u00fd \u010dl\u00e1nek. B\u011bhem nab\u00edjen\u00ed baterie m\u00edsto toho ukl\u00e1d\u00e1 lithium do elektrolytu prost\u0159ednictv\u00edm lithiov\u00fdch sol\u00ed (LiH2PO4 a LiOH), \u010d\u00edm\u017e si zachov\u00e1v\u00e1 hlavn\u00ed v\u00fdhody hlavn\u00edho prototypu a z\u00e1rove\u0148 odemyk\u00e1 nov\u00e9 v\u00fdhody. Mezi tyto v\u00fdhody pat\u0159\u00ed \u00fa\u010dinn\u011bj\u0161\u00ed pokovov\u00e1n\u00ed a odstra\u0148ov\u00e1n\u00ed lithia a stabilita p\u0159i n\u00edzk\u00fdch koncentrac\u00edch vod\u00edku.<\/p>\n<p>&nbsp;<\/p>\n<p>Zdroj: automotiveworld.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nov\u00e1 studie z \u010c\u00ednsk\u00e9 v\u011bdeckotechnick\u00e9 univerzity, publikovan\u00e1 v \u00fanorov\u00e9m \u010d\u00edsle 2025 n\u011bmeck\u00e9ho \u010dasopisu Angewandte Chemie International Edition, prok\u00e1zala novou chemickou technologii bateri\u00ed vyu\u017e\u00edvaj\u00edc\u00ed jako anodu plynn\u00fd vod\u00edk. Lithium-vod\u00edkov\u00e1 baterie v\u00fdzkumn\u00edk\u016f slibuje cenov\u011b v\u00fdhodnou alternativu k sou\u010dasn\u00fdm chemick\u00fdm produkt\u016fm a teoretickou hustotu energie a\u017e 2825 Wh\/kg. Vod\u00edkov\u00e9 baterie ji\u017e existuj\u00ed a jako katoda se v nich [&hellip;]<\/p>\n","protected":false},"author":81,"featured_media":28618,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"kategorie_prispevku":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u010c\u00edn\u0161t\u00ed v\u011bdci vyvinuli novou lithium-vod\u00edkovou baterii | Autoklastr<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/autoklastr.cz\/cs\/cinsti-vedci-vyvinuli-novou-lithium-vodikovou-baterii\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:locale:alternate\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u010c\u00edn\u0161t\u00ed v\u011bdci vyvinuli novou lithium-vod\u00edkovou baterii\" \/>\n<meta property=\"og:description\" content=\"Nov\u00e1 studie z \u010c\u00ednsk\u00e9 v\u011bdeckotechnick\u00e9 univerzity, publikovan\u00e1 v \u00fanorov\u00e9m \u010d\u00edsle 2025 n\u011bmeck\u00e9ho \u010dasopisu Angewandte Chemie International Edition, prok\u00e1zala novou chemickou technologii bateri\u00ed vyu\u017e\u00edvaj\u00edc\u00ed jako anodu plynn\u00fd vod\u00edk. 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