{"id":405,"date":"2015-08-17T13:29:06","date_gmt":"2015-08-17T12:29:06","guid":{"rendered":"https:\/\/www.powertechsystems.eu\/tech-corner\/lithium-iron-phosphate-lifepo4\/"},"modified":"2026-01-16T13:07:30","modified_gmt":"2026-01-16T12:07:30","slug":"la-technologie-lithium-fer-phosphate","status":"publish","type":"page","link":"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-iron-phosphate-lifepo4\/","title":{"rendered":"Phosphate de fer lithi\u00e9 (LiFePO4 - LFP)"},"content":{"rendered":"<link rel=\"preload\" href=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2019\/03\/LiFePO4-cell-300x188.webp\" as=\"image\">\r\n\n<div class=\"row\"  id=\"row-1711866835\">\n\n\t<div id=\"col-2141684323\" class=\"col medium-9 small-12 large-9\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"nav-wrapper\"><ul class=\"nav nav-uppercase nav-horizontal nav-size-small nav-pills text-center nav-center\"><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lead-acid-battery-downsides\/\">Limitations des batteries au Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-battery-advantages\/\">La r\u00e9volution des batteries Lithium-Ion<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-vs-lead-acid-battery\/\">Comparatif technique batteries Lithium-ion vs Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-vs-lead-acid-cost-analysis\/\">Etude de cout du Lithium-Ion vs batteries au Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/safety-of-lithium-ion-batteries\/\">La s\u00e9curit\u00e9 des batteries Lithium-ion<\/a><\/li><li class=\"active\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-iron-phosphate-lifepo4\/\">La technologie Lithium Fer Phosphate (LiFePO4 ou LFP)<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/the-solid-state-lithium-battery-revolution\/\">Les batteries Solides ou Solid-State<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-state-of-charge-soc-measurement\/\">Mesurer l'\u00e9tat de charge (SOC) d'une batterie Lithium-Ion<\/a><\/li><\/ul><\/div>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:2px;border-color:#999999\"><\/div>\n<h1>La technologie Lithium Fer Phosphate (LiFePO4 ou LFP)<\/h1>\n<div class=\"alignright\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/2\/2019\/03\/LiFePO4-cell-300x188.webp\" alt=\"Phosphate de fer lithi\u00e9 - LFP - LiFePO4-cellule\" width=\"300\" height=\"188\" class=\"aligncenter size-medium wp-image-9183\" \/><\/div>\n<p>Apparue en 1996, la technologie Lithium Ferro Phosphate (\u00e9galement connue sous les acronymes de LFP ou LiFePO4) remplace les autres technologies de batteries en raison de ses avantages techniques et de son <a href=\"\/fr\/technique\/la-securite-des-batteries-lithium-ion\/\">tr\u00e8s haut niveau de s\u00e9curit\u00e9<\/a>.<\/p>\n<p>Du fait de sa grande densit\u00e9 de puissance, cette technologie est utilis\u00e9e dans les applications de traction moyenne puissance (<a href=\"\/fr\/applications-des-batteries-lithium-ion\/traction-et-emobilite\/solutions-de-batteries-de-traction\/\">Robotique, AGV<\/a>, <a href=\"\/fr\/applications-des-batteries-lithium-ion\/traction-et-emobilite\/lithium-pour-e-mobilite-et-vehicule-dernier-kilometre\/\">E-mobilit\u00e9, livraison du dernier kilom\u00e8tre<\/a>, etc.) ou des applications de traction lourde (<a href=\"\/fr\/applications-des-batteries-lithium-ion\/traction-et-emobilite\/batteries-lithium-pour-traction-marine\/\">traction marine<\/a>, <a href=\"\/fr\/applications-des-batteries-lithium-ion\/traction-et-emobilite\/batteries-lithium-pour-vehicules-industriels\/\">v\u00e9hicules industriels<\/a>, etc.)<\/p>\n<p>La grande dur\u00e9e de vie du LFP et la possibilit\u00e9 de cyclage profond permet d\u2019utiliser le LiFePO4 dans les applications de stockage d\u2019\u00e9nergie (<a href=\"\/fr\/applications-des-batteries-lithium-ion\/stockage-energie\/batteries-lithium-ion-pour-applications-autonomes\/\">applications autonomes<\/a>, <a href=\"\/fr\/applications-des-batteries-lithium-ion\/stockage-energie\/batterie-lithium-ion-pour-applications-solaires\/\">Syst\u00e8mes hors r\u00e9seau<\/a>, <a href=\"\/fr\/applications-des-batteries-lithium-ion\/stockage-energie\/autoconsommation\/\">autoconsommation avec batterie<\/a>) ou <a href=\"\/fr\/applications-des-batteries-lithium-ion\/stockage-energie\/batteries-stationnaires\/\">stockage stationnaire<\/a> en g\u00e9n\u00e9ral.<\/p>\n<p>En r\u00e9sum\u00e9, voici la liste des principaux avantages de la technologie lithium-fer-phosphate :<br \/>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Une technologie tr\u00e8s s\u00fbre et s\u00e9curis\u00e9e<\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Tr\u00e8s faible toxicit\u00e9 pour l'environnement (utilisation de fer, de graphite et de phosphate)<\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Pas d'utilisation de terres rares et de m\u00e9taux (nickel, cobalt, mangan\u00e8se, etc.)<\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Dur\u00e9e de vie calendaire &gt; 10 ans<\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Dur\u00e9e de vie : de 3000 \u00e0 plusieurs milliers (voir abaque ci-dessous)<\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Plage de temp\u00e9rature op\u00e9rationnelle : jusqu'\u00e0 70\u00b0C<\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Tr\u00e8s faible r\u00e9sistance interne. Stabilit\u00e9 ou m\u00eame diminution au cours des cycles.<\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Puissance constante sur toute la plage de d\u00e9charge<\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Facilit\u00e9 de recyclage<\/li>\n<\/ul>\n<\/div>\n<p><center><img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/2\/2025\/03\/1200px-Lithium_iron_phosphate.svg-400x220.avif\" alt=\"Formule chimique de LiFePO4\" width=\"400\" height=\"220\" class=\"size-medium wp-image-16714\" \/><\/p>\n<hr>\n<p><\/center><\/p>\n<h2>Nombre de cycles estim\u00e9s pour la technologie Lithium Fer Phosphate (LiFePO4)<\/h2>\n<p>La technologie Lithium Fer Phosphate qui permet le plus grand nombre de cycles de charge\/d\u00e9charge. C'est pourquoi cette technologie est souvent adopt\u00e9e dans les syst\u00e8mes de stockage d'\u00e9nergie stationnaires (autoconsommation, Off-Grid, UPS, etc.) pour les applications n\u00e9cessitant une longue dur\u00e9e de vie.<\/p>\n<p>Le nombre r\u00e9el de cycles pouvant \u00eatre effectu\u00e9s d\u00e9pend de plusieurs facteurs :<br \/>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> <strong>LFP Standard ou <a href=\"\/fr\/technique\/la-revolution-des-batteries-solides-solid-state\/\" target=\"_blank\">Technologie LFP SolidState<\/a><\/strong><\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> <strong>Qualit\u00e9 de la cellule lithium<\/strong><\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Puissance de d\u00e9charge mesur\u00e9e en <strong>C-Rate<\/strong> (Ex : Une batterie de 100Wh d\u00e9charg\u00e9e \u00e0 100W signifie un taux de d\u00e9charge de 1C. Une batterie de 100Wh d\u00e9charg\u00e9e \u00e0 200W signifie un taux de d\u00e9charge de 2C. Une batterie de 100Wh d\u00e9charg\u00e9e \u00e0 50W signifie un taux de d\u00e9charge de 0.5C)<\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Profondeur de D\u00e9charge (DOD)<\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> Environnement op\u00e9rationnel : temp\u00e9rature, humidit\u00e9, etc.<\/li>\n<\/ul>\n<\/div>\n<p>L\u2019abaque ci-dessous repr\u00e9sente le nombre de cycles estim\u00e9s pour nos cellules LFP Standard et nos cellules LFP SolidState. Les cycles de charge\/d\u00e9charge sont effectu\u00e9s \u00e0 1C. Les conditions de tests sont celles d\u2019un laboratoire (Temp\u00e9rature constante de 25\u00b0C, puissance de charge et d\u00e9charge constante).<\/p>\n<span class=\"su-lightbox\" data-mfp-src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2025\/03\/CycleLife-LFP-Standard-vs-LFP-SolidState-1024x738.avif\" data-mfp-type=\"image\" data-mobile=\"yes\">\n<figure style=\"width: 400px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.powertechsystems.eu\/wp-content\/uploads\/sites\/2\/2025\/03\/CycleLife-LFP-Standard-vs-LFP-SolidState-400x288.avif\" alt=\"Cycle de vie du phosphate de fer lithi\u00e9\" width=\"400\" height=\"288\" class=\"size-medium\" \/><figcaption class=\"wp-caption-text\">Nombre de cycles estim\u00e9s LiFePO4 vs LiFePO4 Solid-State<\/figcaption><\/figure>\n<\/span>\n<p>Dans un environnement standard, et pour des cycles de 1C, nous pouvons obtenir \u00e0 partir du tableau l'estimation du cycle de vie du LFP ci-dessous :<br \/>\n<div class=\"su-list\" style=\"margin-left:0px\">\n<ul>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> <strong>LFP Standard \/ LFP SolidState<\/strong> : <strong>3000 \/ 4500<\/strong> cycles complets \u00e0 <strong>100% de DoD (Depth of Discharge)<\/strong><\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> <strong>4500 \/ 6500-8000<\/strong> cycles complets \u00e0 <strong>80% de DoD<\/strong><\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> <strong>12000 \/ 19000<\/strong> cycles complets \u00e0 <strong>55% de DoD<\/strong><\/li>\n<li><i class=\"sui sui-circle-o\" style=\"color:#59b77d\"><\/i> etc.<\/li>\n<\/ul>\n<\/div>\n<p><strong>A l\u2019issue du nombre de cycle r\u00e9alis\u00e9s,<\/strong>les batteries poss\u00e8dent encore une capacit\u00e9 nominale les batteries poss\u00e8dent encore une capacit\u00e9 nominale de la capacit\u00e9 d\u2019origine. <strong>capacit\u00e9 nominale &gt; 80% de la capacit\u00e9 d'origine<\/strong>.<\/p>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:2px;border-color:#999999\"><\/div>\n<div class=\"nav-wrapper\"><ul class=\"nav nav-uppercase nav-vertical nav-pills text-center nav-center\"><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lead-acid-battery-downsides\/\">Limitations des batteries au Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-battery-advantages\/\">La r\u00e9volution des batteries Lithium-Ion<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-vs-lead-acid-battery\/\">Comparatif technique batteries Lithium-ion vs Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-vs-lead-acid-cost-analysis\/\">Etude de cout du Lithium-Ion vs batteries au Plomb<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/safety-of-lithium-ion-batteries\/\">La s\u00e9curit\u00e9 des batteries Lithium-ion<\/a><\/li><li class=\"active\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-iron-phosphate-lifepo4\/\">La technologie Lithium Fer Phosphate (LiFePO4 ou LFP)<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/the-solid-state-lithium-battery-revolution\/\">Les batteries Solides ou Solid-State<\/a><\/li><li class=\"\"><a href=\"https:\/\/www.powertechsystems.eu\/fr\/tech-corner\/lithium-ion-state-of-charge-soc-measurement\/\">Mesurer l'\u00e9tat de charge (SOC) d'une batterie Lithium-Ion<\/a><\/li><\/ul><\/div>\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:25px 0;border-width:2px;border-color:#999999\"><\/div>\n<div class=\"sue-panel\" data-url=\"\" data-target=\"self\" style=\"background-color:#ffffff;color:#656363;border-radius:5px;-moz-border-radius:5px;-webkit-border-radius:5px;box-shadow:0px 0px 25px #e9e8e8;-moz-box-shadow:0px 0px 25px #e9e8e8;-webkit-box-shadow:0px 0px 25px #e9e8e8;border:1px solid #cccccc\"><div class=\"sue-panel-content sue-content-wrap\" style=\"padding:1px;text-align:center\"><span style=\"font-size:11px;font-weight: bold;\">Cette page et son contenu sont la propri\u00e9t\u00e9 exclusive de PowerTech Systems. 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decoding=\"async\" class=\"size-medium wp-image-1688\" src=\"\/wp-content\/uploads\/sites\/2\/2016\/01\/PBrick-300x193.webp\" alt=\"Batterie 12V Lithium-Ion - PowerBrick+ (en anglais)\" width=\"300\" height=\"193\" \/><\/a>\r\n<\/center>\r\n<\/div><\/div>\r\n\r\n<div class=\"su-box su-box-style-default my-su-box\" id=\"\" style=\"border-color:#000000;border-radius:3px;max-width:none\"><div class=\"su-box-title\" style=\"background-color:#333333;color:#FFFFFF;border-top-left-radius:1px;border-top-right-radius:1px\">Batteries Lithium Modulaires :<br>Gamme PowerModule\u00ae<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:1px;border-bottom-right-radius:1px\">\r\n<center><a href=\"\/fr\/produits\/systeme-modulaire-powermodule-48v-lithium\/\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-2534\" src=\"\/wp-content\/uploads\/sites\/2\/2016\/05\/PowerModule-V-300-300x150.webp\" alt=\"PowerModule Batterie modulaire au lithium - PowerModule\" width=\"200\" height=\"100\" \/><br \/>\t \t \r\n<img decoding=\"async\" class=\"aligncenter size-medium wp-image-825\" src=\"\/wp-content\/uploads\/sites\/2\/2019\/10\/PowerModule-v2-300x200.webp\" alt=\"PowerModule - Batterie modulaire au lithium pour la traction\" width=\"300\" height=\"200\" \/>\r\n<img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/2\/2022\/04\/MIF_V_EN-275x400.webp\" alt=\"PowerTech fabrique en en France\" width=\"138\" height=\"200\" class=\"aligncenter size-medium wp-image-11736\" \/>\r\n<\/a><\/center>\r\n<\/div><\/div>\r\n\r\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:40px 0;border-width:2px;border-color:#999999\"><\/div>\r\n<div style=\"text-align:center;\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/2\/2019\/12\/Logo-AFAQ-9001-150x150.webp\" alt=\"PowerTech est certifi\u00e9e ISO-9001\" width=\"150\" height=\"150\" class=\"aligncenter size-thumbnail\" \/><br\/>PowerTech est<br><b>Certifi\u00e9 ISO-9001<\/b>\r\n<\/div>\r\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:40px 0;border-width:2px;border-color:#999999\"><\/div>\r\n<div style=\"text-align:center;\"><a href=\"\/fr\/powertech-systems-fait-desormais-parti-de-la-french-tech\/\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/2\/2018\/11\/FrenchTech.png\" alt=\"PowerTech fait partie de FrenchTech depuis 2018\" width=\"150\" height=\"150\" class=\"aligncenter size-thumbnail\" \/>\r\n<br>&nbsp;<br><img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/2\/2025\/06\/French-Fab.avif\" alt=\"PowerTech fait partie de FrenchFab depuis 2018\" width=\"150\" height=\"90\" class=\"aligncenter size-thumbnail\" \/>\r\n<br>PowerTech est membre de <br><b>FrenchTech<\/b> et <b>FrenchFab<\/b><br>depuis 2018<\/a>\r\n<\/div>\r\n<div class=\"su-divider su-divider-style-dotted\" style=\"margin:40px 0;border-width:2px;border-color:#999999\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"gap-76942242\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-76942242 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":14002,"parent":264,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-405","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lithium Iron Phosphate: The Most Reliable Battery Technology<\/title>\n<meta name=\"description\" content=\"Lithium Iron Phosphate technology (also known as LFP or LiFePO4), which appeared in 1996, is replacing other battery technologies because of its technical ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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