{"id":187539,"date":"2026-06-09T17:16:53","date_gmt":"2026-06-09T15:16:53","guid":{"rendered":"https:\/\/newmobility.news\/?p=187539"},"modified":"2026-06-12T12:19:27","modified_gmt":"2026-06-12T10:19:27","slug":"finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false","status":"publish","type":"post","link":"https:\/\/newmobility.news\/fr\/2026\/06\/09\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\/","title":{"rendered":"Une arnaque finlandaise : la batterie \u00e0 semi-conducteurs \u00ab miracle \u00bb s'av\u00e8re \u00eatre un canular"},"content":{"rendered":"C'\u00e9tait la grande annonce de la d\u00e9cennie dans le domaine des batteries. Donut Lab avait pr\u00e9sent\u00e9 des cellules \u00e0 l'\u00e9tat solide qui avaient boulevers\u00e9 le monde des batteries par leur efficacit\u00e9 et leurs temps de recharge fulgurants.\n\nIl s'av\u00e8re aujourd'hui qu'il ne s'agissait en r\u00e9alit\u00e9 que d'une simple cellule lithium-ion liquide, accompagn\u00e9e d'un communiqu\u00e9 de presse ambitieux. Les autorit\u00e9s financi\u00e8res et p\u00e9nales finlandaises\u2026
Ce contenu a \u00e9t\u00e9 archiv\u00e9. Connectez-vous ou inscrivez-vous<\/a> \u00e0 un niveau qui donne acc\u00e8s au contenu archiv\u00e9.<\/div><\/div>","protected":false},"excerpt":{"rendered":"

It was the battery claim of the decade. Donut Lab introduced solid-state cells that shocked the battery world with their efficiency and blistering charging times. Now, it turns out that it was just a decent liquid lithium-ion cell with an ambitious press release. Finnish financial and criminal auThis content has been archived. Log in or […]<\/p>\n","protected":false},"author":715,"featured_media":187540,"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_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\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":[77162,77198,2043,28,16,6,4,17],"tags":[],"class_list":["post-187539","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-batteries","category-concepts","category-energy","category-europe","category-industry","category-technology","category-top-stories-today","category-weekly-newsletter"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?fit=2166%2C1208&ssl=1",2166,1208,false],"thumbnail":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=150%2C150&ssl=1",150,150,true],"medium":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?fit=300%2C167&ssl=1",300,167,true],"medium_large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?fit=640%2C357&ssl=1",640,357,true],"large":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?fit=640%2C357&ssl=1",640,357,true],"1536x1536":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?fit=1536%2C857&ssl=1",1536,857,true],"2048x2048":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?fit=2048%2C1142&ssl=1",2048,1142,true],"trp-custom-language-flag":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?fit=18%2C10&ssl=1",18,10,true],"related-thumb":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=640%2C480&ssl=1",640,480,true],"gform-image-choice-sm":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=300%2C300&ssl=1",300,300,true],"gform-image-choice-md":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=400%2C400&ssl=1",400,400,true],"gform-image-choice-lg":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=600%2C600&ssl=1",600,600,true],"mailchimp":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?fit=560%2C312&ssl=1",560,312,true],"unipress-phone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=640%2C100&ssl=1",640,100,true],"unipress-tablet":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=1536%2C240&ssl=1",1536,240,true],"unipress-tablet-portrait":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=1536%2C180&ssl=1",1536,180,true],"unipress-tablet-landscape":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=2048%2C180&ssl=1",2048,180,true],"unipress-smartphone":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=1080%2C168&ssl=1",1080,168,true],"unipress-wide-screen":["https:\/\/i0.wp.com\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png?resize=2166%2C180&ssl=1",2166,180,true]},"post_excerpt_stackable_v2":"

It was the battery claim of the decade. Donut Lab introduced solid-state cells that shocked the battery world with their efficiency and blistering charging times. Now, it turns out that it was just a decent liquid lithium-ion cell with an ambitious press release. Finnish financial and criminal auThis content has been archived. Log in or Subscribe to a level that has access to archived content.<\/p>\n","category_list_v2":"Batteries<\/a>, Concepts<\/a>, Energy<\/a>, Europe<\/a>, Industry<\/a>, Technology<\/a>, Top Stories Today<\/a>, Weekly Newsletter<\/a>","author_info_v2":{"name":"Piet Andries","url":"https:\/\/newmobility.news\/fr\/author\/piet-andriesgmail-com\/"},"comments_num_v2":"0 comments","yoast_head":"\nFinnish fraud: miracle solid-state battery turns out to be false - 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\/06\/09\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Finnish fraud: miracle solid-state battery turns out to be false - newmobility.news\" \/>\n<meta property=\"og:description\" content=\"It was the battery claim of the decade. Donut Lab introduced solid-state cells that shocked the battery world with their efficiency and blistering charging times. Now, it turns out that it was just a decent liquid lithium-ion cell with an ambitious press release. Finnish financial and criminal auThis content has been archived. Log in or […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/newmobility.news\/fr\/2026\/06\/09\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\/\" \/>\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=\"2026-06-09T15:16:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-12T10:19:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/newmobility.news\/wp-content\/uploads\/2026\/06\/Donut-Lab-solid-state.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2166\" \/>\n\t<meta property=\"og:image:height\" content=\"1208\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\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\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/\"},\"author\":{\"name\":\"Piet Andries\",\"@id\":\"https:\\\/\\\/newmobility.news\\\/#\\\/schema\\\/person\\\/a5b306e499388c9ea0a3a4f6704d7081\"},\"headline\":\"Finnish fraud: miracle solid-state battery turns out to be false\",\"datePublished\":\"2026-06-09T15:16:53+00:00\",\"dateModified\":\"2026-06-12T10:19:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/\"},\"wordCount\":642,\"publisher\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/newmobility.news\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/Donut-Lab-solid-state.png?fit=2166%2C1208&ssl=1\",\"articleSection\":[\"Batteries\",\"Concepts\",\"Energy\",\"Europe\",\"Industry\",\"Technology\",\"Top Stories Today\",\"Weekly Newsletter\"],\"inLanguage\":\"fr-BE\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/\",\"url\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/\",\"name\":\"Finnish fraud: miracle solid-state battery turns out to be false - newmobility.news\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/newmobility.news\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/Donut-Lab-solid-state.png?fit=2166%2C1208&ssl=1\",\"datePublished\":\"2026-06-09T15:16:53+00:00\",\"dateModified\":\"2026-06-12T10:19:27+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/#breadcrumb\"},\"inLanguage\":\"fr-BE\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/newmobility.news\\\/2026\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-BE\",\"@id\":\"https:\\\/\\\/newmobility.news\\\/2026\\\/06\\\/09\\\/finnish-fraud-miracle-solid-state-battery-turns-out-to-be-false\\\/#primaryimage\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/newmobility.news\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/Donut-Lab-solid-state.png?fit=2166%2C1208&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/newmobility.news\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/Donut-Lab-solid-state.png?fit=2166%2C1208&ssl=1\",\"width\":2166,\"height\":1208,\"caption\":\"If it's too good to be true, it usually isn't true. 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Donut Lab introduced solid-state cells that shocked the battery world with their efficiency and blistering charging times. Now, it turns out that it was just a decent liquid lithium-ion cell with an ambitious press release. Finnish financial and criminal auThis content has been archived. 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