{"id":385,"date":"2026-02-10T13:54:30","date_gmt":"2026-02-10T13:54:30","guid":{"rendered":"https:\/\/vosbatteriesetapres.fr\/?page_id=385"},"modified":"2026-04-29T19:02:46","modified_gmt":"2026-04-29T19:02:46","slug":"facteurs-de-dangerosite","status":"publish","type":"page","link":"https:\/\/vosbatteriesetapres.fr\/en\/comprendre-les-batteries\/facteurs-de-dangerosite\/","title":{"rendered":"Dangers of lithium batteries"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"385\" class=\"elementor elementor-385\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f27c57c e-flex e-con-boxed e-con e-parent\" data-id=\"f27c57c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ca43fac elementor-widget elementor-widget-heading\" data-id=\"ca43fac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Dangers of lithium batteries<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-089af5b elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"089af5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Lithium-ion batteries are efficient, but they present specific risks when damaged, mismanaged or improperly sorted.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b0bf234 e-flex e-con-boxed e-con e-parent\" data-id=\"b0bf234\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-128dc32 e-con-full e-flex e-con e-child\" data-id=\"128dc32\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-44f0c23 e-con-full e-flex e-con e-child\" data-id=\"44f0c23\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4c2011a e-con-full e-flex e-con e-child\" data-id=\"4c2011a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b0c98e elementor-widget elementor-widget-heading\" data-id=\"7b0c98e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Thermal runaway\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4027c44 elementor-widget elementor-widget-text-editor\" data-id=\"4027c44\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u26a0\ufe0f This is the phenomenon<strong> the most critical.<\/strong> \u26a0\ufe0f<\/p><p><strong>Definition : <\/strong>An internal chain reaction that increases the cell&#039;s temperature until it reaches a point where the heat produced exceeds the heat dissipated, leading to a fire or explosion.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d2ab10 e-con-full e-flex e-con e-child\" data-id=\"6d2ab10\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-458abc1 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"458abc1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d3e91e9 e-con-full e-flex e-con e-child\" data-id=\"d3e91e9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-dcc3d8f e-con-full e-flex e-con e-child\" data-id=\"dcc3d8f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dfd343c elementor-widget elementor-widget-heading\" data-id=\"dfd343c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Possible triggers:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ba8ade elementor-widget elementor-widget-text-editor\" data-id=\"3ba8ade\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u2022 Overload or overheating<br \/>\u2022 Shocks, perforations, aging<br \/>\u2022 Manufacturing defects<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6072191 elementor-widget elementor-widget-text-editor\" data-id=\"6072191\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Physical mechanism:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-80584b9 e-con-full e-flex e-con e-child\" data-id=\"80584b9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-261ea5f e-con-full e-flex e-con e-child\" data-id=\"261ea5f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5776c29 elementor-widget elementor-widget-text-editor\" data-id=\"5776c29\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>1. Rupture of the SEI* layer on the anode<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1f0537e e-con-full e-flex e-con e-child\" data-id=\"1f0537e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3174357 elementor-widget elementor-widget-text-editor\" data-id=\"3174357\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>2. Separator degradation \u2192 internal short circuits<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-03c9f06 e-con-full e-flex e-con e-child\" data-id=\"03c9f06\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-683c037 e-con-full e-flex e-con e-child\" data-id=\"683c037\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f0f71cc elementor-widget elementor-widget-text-editor\" data-id=\"f0f71cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>3. Exothermic reactions + gas release<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d485026 e-con-full e-flex e-con e-child\" data-id=\"d485026\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46742a3 elementor-widget elementor-widget-text-editor\" data-id=\"46742a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>4. Electrode ignition<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4cd3b25 e-con-full e-flex e-con e-child\" data-id=\"4cd3b25\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-a9ce03f e-con-full e-flex e-con e-child\" data-id=\"a9ce03f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dba21b0 elementor-widget elementor-widget-text-editor\" data-id=\"dba21b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>*SEI: The SEI, or solid interphase electrolyte, is a thin film that forms on the anode of a battery during early charging. It allows lithium ions to pass through while blocking electrons, preventing electrolyte breakdown. This layer is essential for the performance, safety, and longevity of lithium batteries by stabilizing internal reactions.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-76d23f9 e-flex e-con-boxed e-con e-parent\" data-id=\"76d23f9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3f14575 e-con-full e-flex e-con e-child\" data-id=\"3f14575\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-050f248 e-con-full e-flex e-con e-child\" data-id=\"050f248\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-abc65c4 e-con-full e-flex e-con e-child\" data-id=\"abc65c4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f55268 elementor-widget elementor-widget-heading\" data-id=\"9f55268\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Internal short circuits<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0ebc50 elementor-widget elementor-widget-text-editor\" data-id=\"f0ebc50\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>They occur when the separator is damaged (impact, manufacturing, aging), causing direct contact between anode and cathode.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9f0707c e-con-full e-flex e-con e-child\" data-id=\"9f0707c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ea4d64 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"1ea4d64\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bb91f98 e-con-full e-flex e-con e-child\" data-id=\"bb91f98\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-f8b5903 e-con-full e-flex e-con e-child\" data-id=\"f8b5903\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-51f9d9d elementor-widget elementor-widget-heading\" data-id=\"51f9d9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Consequences :<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7983b18 elementor-widget elementor-widget-text-editor\" data-id=\"7983b18\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li>Localized warm-up<\/li><li>Triggering of a thermal runaway<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f40c62c e-flex e-con-boxed e-con e-parent\" data-id=\"f40c62c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7c766c6 e-con-full e-flex e-con e-child\" data-id=\"7c766c6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-fa0cf52 e-con-full e-flex e-con e-child\" data-id=\"fa0cf52\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ff7b650 e-con-full e-flex e-con e-child\" data-id=\"ff7b650\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-45e5d98 elementor-widget elementor-widget-heading\" data-id=\"45e5d98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Oxygen diffusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-885cb48 elementor-widget elementor-widget-text-editor\" data-id=\"885cb48\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Certain electrode chemistries (particularly those rich in nickel or cobalt) can release oxygen at high temperatures.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9985ab7 e-con-full e-flex e-con e-child\" data-id=\"9985ab7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8bc690e elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"8bc690e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a188e49 e-con-full e-flex e-con e-child\" data-id=\"a188e49\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3c96a13 e-con-full e-flex e-con e-child\" data-id=\"3c96a13\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46b794a elementor-widget elementor-widget-heading\" data-id=\"46b794a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Effects:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2dbbfe8 elementor-widget elementor-widget-text-editor\" data-id=\"2dbbfe8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li>Accelerates combustion<\/li><li>Feeds the flame in case of fire<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f847105 e-flex e-con-boxed e-con e-parent\" data-id=\"f847105\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-04e72a7 e-con-full e-flex e-con e-child\" data-id=\"04e72a7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-99a034d e-con-full e-flex e-con e-child\" data-id=\"99a034d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c34b494 e-con-full e-flex e-con e-child\" data-id=\"c34b494\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fde6955 elementor-widget elementor-widget-heading\" data-id=\"fde6955\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Chain reactions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb180ad elementor-widget elementor-widget-text-editor\" data-id=\"cb180ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>When a cell enters thermal runaway, the heat spreads to neighboring cells.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-be15e5d e-con-full e-flex e-con e-child\" data-id=\"be15e5d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bfcbbf6 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"bfcbbf6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0604f5f e-con-full e-flex e-con e-child\" data-id=\"0604f5f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-461b6bf e-con-full e-flex e-con e-child\" data-id=\"461b6bf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bc254dd elementor-widget elementor-widget-heading\" data-id=\"bc254dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Results :<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b8f29e elementor-widget elementor-widget-text-editor\" data-id=\"2b8f29e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li>Thermal propagation<\/li><li>Battery pack fire<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c0f3f02 e-flex e-con-boxed e-con e-parent\" data-id=\"c0f3f02\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9cb7c62 e-con-full e-flex e-con e-child\" data-id=\"9cb7c62\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-0e3864a e-con-full e-flex e-con e-child\" data-id=\"0e3864a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7f9ae42 e-con-full e-flex e-con e-child\" data-id=\"7f9ae42\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2af8908 elementor-widget elementor-widget-heading\" data-id=\"2af8908\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Diffusion of toxic gas<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5108e83 elementor-widget elementor-widget-text-editor\" data-id=\"5108e83\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>When the battery experiences thermal runaway or severe degradation, the electrolyte and electrode materials <strong>decompose<\/strong>, releasing a mixture of <strong>flammable and toxic gases<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-92a7ae5 e-con-full e-flex e-con e-child\" data-id=\"92a7ae5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6c511bd elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"6c511bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4205b2a e-con-full e-flex e-con e-child\" data-id=\"4205b2a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9057eb8 e-con-full e-flex e-con e-child\" data-id=\"9057eb8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7802c06 elementor-widget elementor-widget-heading\" data-id=\"7802c06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Effects:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eac039f elementor-widget elementor-widget-text-editor\" data-id=\"eac039f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Acute toxicity<\/strong> (HF, CO, aldehydes).<\/li><li><strong>Severe respiratory irritation<\/strong> (HF, formaldehyde).<\/li><li><strong>Risk of explosion<\/strong> (H\u2082, methane, ethane).<\/li><li><b>Increase in internal pressure<\/b><span style=\"font-weight: 400;\"> \u2192 risk of cell bursting and projection of incandescent material. .<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-96c04b1 e-flex e-con-boxed e-con e-parent\" data-id=\"96c04b1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-2f4a3d6 e-con-full e-flex e-con e-child\" data-id=\"2f4a3d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div data-premium-element-link=\"{&quot;type&quot;:&quot;url&quot;,&quot;link&quot;:{&quot;url&quot;:&quot;https:\\\/\\\/vosbatteriesetapres.fr\\\/risques-accidents\\\/incidents-marquants-et-leurs-origines\\\/&quot;,&quot;is_external&quot;:&quot;&quot;,&quot;nofollow&quot;:&quot;&quot;,&quot;custom_attributes&quot;:&quot;&quot;},&quot;href&quot;:&quot;https:\\\/\\\/vosbatteriesetapres.fr\\\/risques-accidents\\\/incidents-marquants-et-leurs-origines\\\/&quot;}\" style=\"cursor: pointer\" class=\"elementor-element elementor-element-bd3e043 e-con-full premium-wrapper-link-yes e-flex e-con e-child\" data-id=\"bd3e043\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b0438ec elementor-widget elementor-widget-heading\" data-id=\"b0438ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/vosbatteriesetapres.fr\/en\/comprendre-les-batteries\/elements-principaux\/\">Main elements<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-premium-element-link=\"{&quot;type&quot;:&quot;url&quot;,&quot;link&quot;:{&quot;url&quot;:&quot;https:\\\/\\\/vosbatteriesetapres.fr\\\/comprendre-les-batteries\\\/elements-principaux\\\/&quot;,&quot;is_external&quot;:&quot;&quot;,&quot;nofollow&quot;:&quot;&quot;,&quot;custom_attributes&quot;:&quot;&quot;},&quot;href&quot;:&quot;https:\\\/\\\/vosbatteriesetapres.fr\\\/comprendre-les-batteries\\\/elements-principaux\\\/&quot;}\" style=\"cursor: pointer\" class=\"elementor-element elementor-element-082f5c1 e-con-full premium-wrapper-link-yes e-flex e-con e-child\" data-id=\"082f5c1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d61abae elementor-widget elementor-widget-image\" data-id=\"d61abae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"393\" height=\"269\" src=\"https:\/\/vosbatteriesetapres.fr\/wp-content\/uploads\/2026\/02\/elements-principaux-dune-batterie-1.png\" class=\"attachment-full size-full wp-image-290\" alt=\"e\u0301le\u0301ments principaux d&apos;une batterie\" srcset=\"https:\/\/vosbatteriesetapres.fr\/wp-content\/uploads\/2026\/02\/elements-principaux-dune-batterie-1.png 393w, https:\/\/vosbatteriesetapres.fr\/wp-content\/uploads\/2026\/02\/elements-principaux-dune-batterie-1-300x205.png 300w\" sizes=\"(max-width: 393px) 100vw, 393px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5bfc5d9 e-con-full e-flex e-con e-child\" data-id=\"5bfc5d9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div data-premium-element-link=\"{&quot;type&quot;:&quot;url&quot;,&quot;link&quot;:{&quot;url&quot;:&quot;https:\\\/\\\/vosbatteriesetapres.fr\\\/comprendre-les-batteries\\\/fonctionnement-dune-batterie-lithium-ion\\\/&quot;,&quot;is_external&quot;:&quot;&quot;,&quot;nofollow&quot;:&quot;&quot;,&quot;custom_attributes&quot;:&quot;&quot;},&quot;href&quot;:&quot;https:\\\/\\\/vosbatteriesetapres.fr\\\/comprendre-les-batteries\\\/fonctionnement-dune-batterie-lithium-ion\\\/&quot;}\" style=\"cursor: pointer\" class=\"elementor-element elementor-element-fd25efb e-con-full premium-wrapper-link-yes e-flex e-con e-child\" data-id=\"fd25efb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d0f5aba elementor-widget elementor-widget-image\" data-id=\"d0f5aba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"771\" height=\"727\" src=\"https:\/\/vosbatteriesetapres.fr\/wp-content\/uploads\/2026\/02\/Fonctionnement-dune-batterie-lithium-ion.png\" class=\"attachment-large size-large wp-image-428\" alt=\"Fonctionnement d\u2019une batterie lithium ion\" srcset=\"https:\/\/vosbatteriesetapres.fr\/wp-content\/uploads\/2026\/02\/Fonctionnement-dune-batterie-lithium-ion.png 771w, https:\/\/vosbatteriesetapres.fr\/wp-content\/uploads\/2026\/02\/Fonctionnement-dune-batterie-lithium-ion-300x283.png 300w, https:\/\/vosbatteriesetapres.fr\/wp-content\/uploads\/2026\/02\/Fonctionnement-dune-batterie-lithium-ion-768x724.png 768w\" sizes=\"(max-width: 771px) 100vw, 771px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-premium-element-link=\"{&quot;type&quot;:&quot;url&quot;,&quot;link&quot;:{&quot;url&quot;:&quot;https:\\\/\\\/vosbatteriesetapres.fr\\\/risques-accidents\\\/incidents-marquants-et-leurs-origines\\\/&quot;,&quot;is_external&quot;:&quot;&quot;,&quot;nofollow&quot;:&quot;&quot;,&quot;custom_attributes&quot;:&quot;&quot;},&quot;href&quot;:&quot;https:\\\/\\\/vosbatteriesetapres.fr\\\/risques-accidents\\\/incidents-marquants-et-leurs-origines\\\/&quot;}\" style=\"cursor: pointer\" class=\"elementor-element elementor-element-af3c183 e-con-full premium-wrapper-link-yes e-flex e-con e-child\" data-id=\"af3c183\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e06829f elementor-widget elementor-widget-heading\" data-id=\"e06829f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/vosbatteriesetapres.fr\/en\/comprendre-les-batteries\/fonctionnement-dune-batterie-lithium-ion\/\">How a lithium-ion battery works<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Facteurs de dangerosit\u00e9 des batteries lithium Les batteries lithium-ion sont performantes, mais elles pr\u00e9sentent des risques sp\u00e9cifiques lorsqu&#8217;elles sont endommag\u00e9es, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":284,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-385","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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