{"id":7643,"date":"2026-05-30T21:15:00","date_gmt":"2026-05-30T19:15:00","guid":{"rendered":"https:\/\/viva.racunalniske-novice.com\/nova-vse-zelezna-baterija-obljublja-izjemno-vzdrzljivost-za-delcek-cene\/"},"modified":"2026-05-30T21:15:00","modified_gmt":"2026-05-30T19:15:00","slug":"nova-vse-zelezna-baterija-obljublja-izjemno-vzdrzljivost-za-delcek-cene","status":"publish","type":"post","link":"https:\/\/viva.racunalniske-novice.com\/fr\/cette-nouvelle-batterie-entierement-en-fer-promet-une-durabilite-exceptionnelle-pour-un-prix-derisoire\/","title":{"rendered":"Une nouvelle batterie \u00ab tout fer \u00bb promet une durabilit\u00e9 exceptionnelle pour un prix d\u00e9risoire."},"content":{"rendered":"<p class=\"wp-block-paragraph\">Les batteries au lithium alimentent la quasi-totalit\u00e9 des appareils, des smartphones et outils sans fil aux voitures \u00e9lectriques. Bien que d&#039;importantes r\u00e9serves de cette mati\u00e8re premi\u00e8re indiquent que nous ne risquons pas d&#039;en manquer de sit\u00f4t, le lithium demeure une mati\u00e8re premi\u00e8re on\u00e9reuse. Mi-mai 2026, son prix avoisinait les 23\u00a0850 euros la tonne, un montant estim\u00e9. En revanche, il existe des m\u00e9taux bien moins chers, comme le minerai de fer, qui co\u00fbte \u00e0 peine plus de 100 euros la tonne et constitue une excellente base pour des batteries plus abordables.<br><br>Des scientifiques de l&#039;Institut de recherche sur les m\u00e9taux (IMR) de l&#039;Acad\u00e9mie chinoise des sciences ont mis au point une batterie \u00e0 flux enti\u00e8rement compos\u00e9e de fer. Selon leurs recherches, ce nouveau syst\u00e8me peut supporter 6\u00a0000 cycles de charge, soit environ 16 ans d&#039;utilisation quotidienne, sans perte de capacit\u00e9 initiale. \u00c0 titre de comparaison, une batterie lithium-ion classique de smartphone supporte moins de 1\u00a0000 cycles, tandis que les syst\u00e8mes plus importants peuvent atteindre jusqu&#039;\u00e0 5\u00a0000 cycles.<br><br>Les batteries \u00e0 flux diff\u00e8rent des batteries traditionnelles par le fait que leurs \u00e9l\u00e9ments cl\u00e9s sont immerg\u00e9s dans un \u00e9lectrolyte liquide. Des chercheurs chinois ont utilis\u00e9 un nouvel \u00e9lectrolyte qui emp\u00eache efficacement les ions hydroxyde d&#039;attaquer le noyau de fer. Cette protection du noyau r\u00e9sout les probl\u00e8mes de d\u00e9gradation rapide et de courte dur\u00e9e de vie qui ont affect\u00e9 toutes les tentatives similaires pr\u00e9c\u00e9dentes.<br><br>Les chercheurs indiquent que leur batterie au fer a atteint un rendement moyen de 99,4 % sur 6\u00a0000 cycles \u00e0 un courant de 80 mA\/cm\u00b2. Ce rendement mesure l&#039;efficacit\u00e9 du transfert d&#039;\u00e9lectrons entre les \u00e9lectrodes pendant la charge. Le dispositif a \u00e9galement affich\u00e9 de bonnes performances \u00e0 des courants plus \u00e9lev\u00e9s, conservant un rendement de 78,5 % \u00e0 150 mA\/cm\u00b2. Ces valeurs \u00e9lev\u00e9es de rendement sont directement li\u00e9es \u00e0 une dur\u00e9e de vie plus longue, confirmant ainsi l&#039;\u00e9norme potentiel de cette technologie.<br><br>Malgr\u00e9 ces r\u00e9sultats impressionnants, ces batteries ne seront pas utilis\u00e9es dans les appareils \u00e9lectroniques portables. Cette technologie est con\u00e7ue pour le stockage d&#039;\u00e9nergie \u00e0 long terme dans les grands r\u00e9seaux \u00e9lectriques et jouera un r\u00f4le important dans la transition vers les \u00e9nergies renouvelables. Des syst\u00e8mes similaires \u00e0 grande \u00e9chelle sont d\u00e9j\u00e0 op\u00e9rationnels au Japon et en Chine. Aux \u00c9tats-Unis, Ess Tech Inc. \u00e9quipe le projet New Horizon d&#039;une capacit\u00e9 de 5 m\u00e9gawatts et 50 MWh, suffisante pour alimenter plus de 1\u00a0000 foyers pendant 10 heures. L&#039;avenir nous dira si cette nouvelle technologie chinoise conna\u00eetra une adoption aussi massive.<\/p>\n<div class=\"embed-container\"><iframe src=\"https:\/\/www.youtube.com\/embed\/UDjgSSO98VI\" frameborder=\"0\" allowfullscreen><\/iframe><\/div><br\/>","protected":false},"excerpt":{"rendered":"<p>Litijeve baterije danes poganjajo skoraj vse, od pametnih telefonov in akumulatorskega orodja do elektri\u010dnih avtomobilov. \u010ceprav velike zaloge surovine ka\u017eejo, da nam tega materiala ne bo zmanjkalo kmalu, pa litij ostaja draga dobrina. Sredi maja leta 2026 se je njegova cena gibala okoli prera\u010dunanih 23.850 evrov za tono. Po drugi strani pa so na voljo [&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":[16],"tags":[188],"class_list":["post-7643","post","type-post","status-publish","format-standard","hentry","category-oprema","tag-li-ion-baterija"],"acf":{"subtitle":"Svet danes stoji in pade na litijevih baterijah, vendar njihova visoka cena in zahtevno rudarjenje ostajata velika te\u017eava. Tehnologija pretoka z uporabo \u017eeleza prina\u0161a fascinantno alternativo, ki bi lahko z izjemno \u017eivljenjsko dobo povsem spremenila na\u010din, kako oskrbujemo na\u0161a elektri\u010dna omre\u017eja.","heading":"","summary":"Kitajski znanstveniki so razvili preto\u010dno baterijo na osnovi \u017eeleza, ki zdr\u017ei 6.000 ciklov oziroma 16 let delovanja brez izgube kapacitete. Tehnologija ponuja izjemno poceni in vzdr\u017eljivo alternativo litiju za shranjevanje energije v omre\u017ejih.","thumbnail_small":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2026\/05\/byrev-batteries-87535-560x315.jpg","thumbnail_large":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2026\/05\/byrev-batteries-87535-1024x768.jpg","thumbnail_caption":"","gallery":"","video_gallery":[{"youtube_url":"https:\/\/www.youtube.com\/watch?v=UDjgSSO98VI"}],"author":"","links":null,"sources":[{"title":"Slashgear","url":"https:\/\/www.slashgear.com\/1950870\/countries-that-make-their-own-fighter-jets\/"}],"skip_language":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nova &quot;vse-\u017eelezna&quot; baterija obljublja izjemno vzdr\u017eljivost za del\u010dek cene - Ra\u010dunalni\u0161ke novice<\/title>\n<meta name=\"description\" content=\"Kitajski znanstveniki so razvili preto\u010dno baterijo na osnovi \u017eeleza, ki zdr\u017ei 6.000 ciklov oziroma 16 let delovanja brez izgube kapacitete. Tehnologija ponuja izjemno poceni in vzdr\u017eljivo alternativo\" \/>\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\/fr\/wp-json\/wp\/v2\/posts\/7643\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nova &quot;vse-\u017eelezna&quot; baterija obljublja izjemno vzdr\u017eljivost za del\u010dek cene - Ra\u010dunalni\u0161ke novice\" \/>\n<meta property=\"og:description\" content=\"Litijeve baterije danes poganjajo skoraj vse, od pametnih telefonov in akumulatorskega orodja do elektri\u010dnih avtomobilov. \u010ceprav velike zaloge surovine ka\u017eejo, da nam tega materiala ne bo zmanjkalo kmalu, pa litij ostaja draga dobrina. Sredi maja leta 2026 se je njegova cena gibala okoli prera\u010dunanih 23.850 evrov za tono. 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