{"id":197339,"date":"2026-11-06T12:10:04","date_gmt":"2026-11-06T11:10:04","guid":{"rendered":"https:\/\/newmobility.news\/?p=197339"},"modified":"2026-11-06T11:31:47","modified_gmt":"2026-11-06T10:31:47","slug":"mercedes-battery-of-tomorrow-is-a-jack-of-all-trades","status":"publish","type":"post","link":"https:\/\/newmobility.news\/fr\/2026\/11\/06\/mercedes-battery-of-tomorrow-is-a-jack-of-all-trades\/","title":{"rendered":"La batterie de demain de Mercedes est une v\u00e9ritable multitalent"},"content":{"rendered":"<p>Une tension constante de 800 volts, quel que soit le niveau de charge ou l'\u00e2ge de la batterie. Pas de chargeur embarqu\u00e9 distinct pour convertir le courant alternatif en courant continu. Et peut-\u00eatre m\u00eame des cellules de compositions chimiques diff\u00e9rentes au sein d'un m\u00eame pack. Mercedes-Benz a d\u00e9voil\u00e9 le \u00ab Power Converter \u00bb, un projet de recherche visant \u00e0 r\u00e9inventer la batterie de traction des voitures \u00e9lectriques.<\/p>\n<p>Une batterie de v\u00e9hicule \u00e9lectrique de 800 volts ne fournit pas toujours sa tension maximale. Dans une batterie classique, les cellules sont connect\u00e9es en s\u00e9rie pour augmenter la tension, qui varie en fonction du niveau de charge restant.<\/p>\n<p>Le vieillissement peut \u00e9galement avoir des cons\u00e9quences n\u00e9fastes, en r\u00e9duisant la capacit\u00e9 et les performances. Et tout comme la r\u00e9sistance d'une cha\u00eene d\u00e9pend de celle de son maillon le plus faible, une seule cellule qui se d\u00e9t\u00e9riore peut freiner l'ensemble d'un bloc-batterie.<\/p>\n<h4>Une configuration parall\u00e8le<\/h4>\n<p>Mercedes m\u00e8ne depuis quelque temps des recherches visant \u00e0 d\u00e9terminer comment la batterie de demain pourra surmonter ses faiblesses habituelles et a d\u00e9voil\u00e9 \u00ab Power Converter \u00bb, un concept qui introduit une technologie de pointe pour les batteries de traction.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>Pour commencer, les ing\u00e9nieurs allemands ont compl\u00e8tement boulevers\u00e9 le principe des cellules connect\u00e9es en s\u00e9rie. Ils les relient d\u00e9sormais en parall\u00e8le. Parall\u00e8lement, un ensemble de micro-convertisseurs programmables, mont\u00e9s directement sur les cellules ou sur des paires de cellules, g\u00e8re le flux d'\u00e9nergie.<\/p>\n<p>Ensemble, elles fournissent une tension de sortie stable pouvant atteindre 800 volts, quels que soient l'\u00e9tat de charge (SoC), l'\u00e9tat de sant\u00e9 (SoH) ou la composition chimique des cellules. Le nombre de cellules ne d\u00e9termine plus la tension, mais uniquement la puissance et la capacit\u00e9 du pack.<\/p>\n<h4>\u00c0 jeter : chargeur int\u00e9gr\u00e9 s\u00e9par\u00e9<\/h4>\n<p>Selon certaines informations, Mercedes pourrait m\u00eame ajuster la tension de ce syst\u00e8me ult\u00e9rieurement via une mise \u00e0 jour logicielle, sans intervenir sur le mat\u00e9riel de la batterie. Ainsi, le bloc-batterie s'apparente moins \u00e0 un syst\u00e8me de stockage d'\u00e9nergie fixe qu'\u00e0 un syst\u00e8me contr\u00f4l\u00e9 par logiciel.<\/p>\n<p>Elle propose une vision diff\u00e9rente de ce qu'est une batterie : il ne s'agit plus d'un ensemble fixe de cellules, mais d'un module flexible qui g\u00e8re la tension, la charge et les flux d'\u00e9nergie en fonction de chaque situation.<\/p>\n<p>Mais l\u2019une des fonctionnalit\u00e9s les plus prometteuses de ce pack concerne la recharge. Le convertisseur de puissance prend en charge \u00e0 la fois le courant alternatif (CA) et le courant continu (CC). Cela signifie que le chargeur embarqu\u00e9 s\u00e9par\u00e9, qui, dans tous les v\u00e9hicules \u00e9lectriques actuels, convertit le courant alternatif provenant de la borne murale, dispara\u00eet. Cela permet \u00e9galement de r\u00e9duire la taille d\u2019autres composants haute tension, voire de s\u2019en passer compl\u00e8tement, ce qui permet de gagner du poids et de l\u2019espace.<\/p>\n<h4>Avantages en mati\u00e8re de production<\/h4>\n<p>Un autre aspect \u2013 bien que plut\u00f4t \u00e9vident \u2013 de cette conception est la recharge bidirectionnelle, qui permet \u00e0 l\u2019\u00e9nergie de circuler en sens inverse depuis la batterie vers un appareil, le domicile ou le r\u00e9seau \u00e9lectrique. De plus, Mercedes met en avant une recharge plus rapide, des pertes de charge r\u00e9duites et une dur\u00e9e de vie prolong\u00e9e, chaque cellule \u00e9tant contr\u00f4l\u00e9e individuellement. Quant au probl\u00e8me du maillon faible : une cellule d\u00e9fectueuse peut \u00eatre mise hors circuit ou contourn\u00e9e, ce qui \u00e9vite de ralentir l\u2019ensemble du pack.<\/p>\n<p>Cela pr\u00e9sente \u00e9galement des avantages en termes de production. Chaque cellule \u00e9tant adress\u00e9e individuellement, des tol\u00e9rances plus larges entre les cellules deviennent acceptables, et le nombre de cellules rejet\u00e9es sur la cha\u00eene de production diminue.<\/p>\n<p>Mais le principal avantage r\u00e9side sans doute dans le fait qu'une fois la tension dissoci\u00e9e de la composition chimique des cellules, il est possible de combiner diff\u00e9rentes compositions chimiques. Mercedes \u00e9voque explicitement cette possibilit\u00e9.<\/p>\n<p>Une batterie pourrait associer des cellules LFP, \u00e0 la fois \u00e9conomiques et robustes, \u00e0 des cellules NMC \u00e0 haute densit\u00e9 \u00e9nerg\u00e9tique, ou plus tard \u00e0 des cellules \u00e0 \u00e9lectrolyte solide, gr\u00e2ce \u00e0 un logiciel s\u00e9lectionnant les cellules les mieux adapt\u00e9es \u00e0 chaque situation. Les ing\u00e9nieurs ont d\u00e9j\u00e0 pr\u00e9sent\u00e9 des prototypes fonctionnels sur banc d'essai. Cela ouvre de nouvelles perspectives pour les mod\u00e8les AMG qui cherchent \u00e0 allier puissance maximale et autonomie.<\/p>\n<h4>C'est assez bon march\u00e9 ?<\/h4>\n<p>Cette nouvelle approche en mati\u00e8re de batterie, qui n'en est pour l'instant qu'\u00e0 l'\u00e9tat d'exp\u00e9rience en laboratoire, arrive alors m\u00eame que Mercedes passe progressivement \u00e0 une tension de 800 volts pour ses mod\u00e8les \u00e9lectriques. Cependant, la plupart de ces voitures, de la nouvelle CLA \u00e0 la Classe C, n\u00e9cessitent un convertisseur optionnel de 400 volts pour pouvoir se recharger rapidement sur les anciennes bornes \u00e0 grande vitesse.<\/p>\n<p>Une batterie dont la tension serait r\u00e9glable par logiciel rendrait ces compromis inutiles. Mieux encore, selon Mercedes, le syst\u00e8me pourrait \u00e9galement fonctionner \u00e0 des tensions sup\u00e9rieures \u00e0 800 volts. Reste \u00e0 savoir si le \u00ab Power Converter \u00bb s'av\u00e9rera finalement moins cher que les solutions actuelles.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>A constant 800 volts, no matter how full or how old the battery is. No separate on-board charger for converting AC to DC. And perhaps even different cell chemistries in a single pack. Mercedes-Benz has unveiled the Power Converter, a research project aimed at reinventing the traction battery in electric cars. An 800-volt EV battery [&hellip;]<\/p>\n","protected":false},"author":715,"featured_media":197341,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\r\n\r\n{excerpt}\r\n\r\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[77162,77198,2043,6,4],"tags":[],"class_list":["post-197339","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-batteries","category-concepts","category-energy","category-technology","category-top-stories-today"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?fit=2560%2C1707&ssl=1",2560,1707,false],"thumbnail":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=150%2C150&ssl=1",150,150,true],"medium":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?fit=300%2C200&ssl=1",300,200,true],"medium_large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?fit=640%2C427&ssl=1",640,427,true],"large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?fit=640%2C427&ssl=1",640,427,true],"1536x1536":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?fit=1536%2C1024&ssl=1",1536,1024,true],"2048x2048":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?fit=2048%2C1365&ssl=1",2048,1365,true],"trp-custom-language-flag":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?fit=18%2C12&ssl=1",18,12,true],"related-thumb":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=640%2C480&ssl=1",640,480,true],"gform-image-choice-sm":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=300%2C300&ssl=1",300,300,true],"gform-image-choice-md":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=400%2C400&ssl=1",400,400,true],"gform-image-choice-lg":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=600%2C600&ssl=1",600,600,true],"mailchimp":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?fit=560%2C373&ssl=1",560,373,true],"unipress-phone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=640%2C100&ssl=1",640,100,true],"unipress-tablet":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=1536%2C240&ssl=1",1536,240,true],"unipress-tablet-portrait":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=1536%2C180&ssl=1",1536,180,true],"unipress-tablet-landscape":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=2048%2C180&ssl=1",2048,180,true],"unipress-smartphone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=1080%2C168&ssl=1",1080,168,true],"unipress-wide-screen":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?resize=2560%2C180&ssl=1",2560,180,true]},"post_excerpt_stackable_v2":"<p>A constant 800 volts, no matter how full or how old the battery is. No separate on-board charger for converting AC to DC. And perhaps even different cell chemistries in a single pack. Mercedes-Benz has unveiled the Power Converter, a research project aimed at reinventing the traction battery in electric cars. An 800-volt EV battery doesn\u2019t always deliver its full voltage. In a conventional battery, cells are connected in series to build up the voltage, which rises and falls depending on how much charge is left. Aging can also take its toll, reducing capacity and performance. And just as a&hellip;<\/p>\n","category_list_v2":"<a href=\"https:\/\/newmobility.news\/fr\/category\/batteries\/\" rel=\"category tag\">Batteries<\/a>, <a href=\"https:\/\/newmobility.news\/fr\/category\/concepts\/\" rel=\"category tag\">Concepts<\/a>, <a href=\"https:\/\/newmobility.news\/fr\/category\/energy\/\" rel=\"category tag\">Energy<\/a>, <a href=\"https:\/\/newmobility.news\/fr\/category\/technology\/\" rel=\"category tag\">Technology<\/a>, <a href=\"https:\/\/newmobility.news\/fr\/category\/top-stories-today\/\" rel=\"category tag\">Top Stories Today<\/a>","author_info_v2":{"name":"Piet Andries","url":"https:\/\/newmobility.news\/fr\/author\/piet-andriesgmail-com\/"},"comments_num_v2":"0 comments","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mercedes&#039; battery of tomorrow is a jack of all trades - newmobility.news<\/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:\/\/newmobility.news\/fr\/2026\/11\/06\/mercedes-battery-of-tomorrow-is-a-jack-of-all-trades\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mercedes&#039; battery of tomorrow is a jack of all trades - newmobility.news\" \/>\n<meta property=\"og:description\" content=\"A constant 800 volts, no matter how full or how old the battery is. No separate on-board charger for converting AC to DC. And perhaps even different cell chemistries in a single pack. Mercedes-Benz has unveiled the Power Converter, a research project aimed at reinventing the traction battery in electric cars. An 800-volt EV battery [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/newmobility.news\/fr\/2026\/11\/06\/mercedes-battery-of-tomorrow-is-a-jack-of-all-trades\/\" \/>\n<meta property=\"og:site_name\" content=\"newmobility.news\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/search\/top\/?q=newmobility.news\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-06T11:10:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/11\/26C0219_001-scaled.jpg?fit=2560%2C1707&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1707\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Piet Andries\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@jorisvry\" \/>\n<meta name=\"twitter:site\" content=\"@jorisvry\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Piet Andries\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture est.\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/11\\\/06\\\/mercedes-battery-of-tomorrow-is-a-jack-of-all-trades\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/11\\\/06\\\/mercedes-battery-of-tomorrow-is-a-jack-of-all-trades\\\/\"},\"author\":{\"name\":\"Piet Andries\",\"@id\":\"https:\\\/\\\/newmobility.news\\\/#\\\/schema\\\/person\\\/a5b306e499388c9ea0a3a4f6704d7081\"},\"headline\":\"Mercedes&#8217; 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