{"id":7436,"date":"2025-07-13T11:48:54","date_gmt":"2025-07-13T11:48:54","guid":{"rendered":"https:\/\/unescoalfozanprize.org\/?p=7436"},"modified":"2025-07-13T11:49:50","modified_gmt":"2025-07-13T11:49:50","slug":"une-nouvelle-methode-de-fabrication-de-piles-sans-nickel-ni-cobalt-permet-de-reduire-les-couts","status":"publish","type":"post","link":"https:\/\/unescoalfozanprize.org\/fr\/une-nouvelle-methode-de-fabrication-de-piles-sans-nickel-ni-cobalt-permet-de-reduire-les-couts\/","title":{"rendered":"Une nouvelle m\u00e9thode de fabrication de piles sans nickel ni cobalt permet de r\u00e9duire les co\u00fbts"},"content":{"rendered":"<p>Des chercheurs de l&rsquo;Universit\u00e9 McGill ont mis au point une nouvelle m\u00e9thode pour fabriquer des batteries lithium-ion de haute performance sans utiliser de nickel ou de cobalt co\u00fbteux. En utilisant un processus de sel fondu, ils peuvent produire des particules de cathode de sel gemme d\u00e9sordonn\u00e9 (DRX) uniformes et hautement cristallines qui am\u00e9liorent la stabilit\u00e9 et les performances des batteries. Lors de tests, le nouveau mat\u00e9riau a conserv\u00e9 85 % de sa capacit\u00e9 apr\u00e8s 100 cycles de charge, soit plus du double des anciennes m\u00e9thodes DRX. Cette avanc\u00e9e pourrait rendre les batteries de la prochaine g\u00e9n\u00e9ration moins ch\u00e8res, plus propres et plus faciles \u00e0 mettre \u00e0 l&rsquo;\u00e9chelle pour les v\u00e9hicules \u00e9lectriques et le stockage des \u00e9nergies renouvelables.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs de l&rsquo;Universit\u00e9 McGill ont mis au point une nouvelle m\u00e9thode pour fabriquer des batteries lithium-ion de haute performance sans utiliser de nickel ou de cobalt co\u00fbteux. En utilisant un processus de sel fondu, ils peuvent produire des particules de cathode de sel gemme d\u00e9sordonn\u00e9 (DRX) uniformes et hautement cristallines qui am\u00e9liorent la stabilit\u00e9 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":7438,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[],"class_list":["post-7436","post","type-post","status-publish","format-standard","hentry","category-physics-fr"],"_links":{"self":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts\/7436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/comments?post=7436"}],"version-history":[{"count":1,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts\/7436\/revisions"}],"predecessor-version":[{"id":7445,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts\/7436\/revisions\/7445"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/media\/7438"}],"wp:attachment":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/media?parent=7436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/categories?post=7436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/tags?post=7436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}