{"id":4025,"date":"2021-12-10T12:20:15","date_gmt":"2021-12-10T12:20:15","guid":{"rendered":"https:\/\/www.ahotech.com\/?p=4025"},"modified":"2022-02-22T04:17:42","modified_gmt":"2022-02-22T04:17:42","slug":"comment-tester-une-batterie-lifepo4","status":"publish","type":"post","link":"https:\/\/www.ahotech.com\/fr\/2021\/12\/how-to-test-lifepo4-battery\/","title":{"rendered":"Comment tester une batterie Lifepo4"},"content":{"rendered":"<h4 class=\"wp-block-heading\" id=\"h-what-is-lifepo4-battery\">qu&#039;est-ce qu&#039;une batterie lifepo4 ?<\/h4>\n\n\n\n<p>La batterie Lifepo4, ou batterie LFP, utilise du lithium fer phosphate comme cathode et une \u00e9lectrode en carbone graphitique avec support m\u00e9tallique comme anode. Elle offre de nombreux avantages par rapport aux batteries plomb-acide et autres batteries au lithium, notamment une dur\u00e9e de vie prolong\u00e9e, l&#039;absence d&#039;entretien, une s\u00e9curit\u00e9 optimale, un poids l\u00e9ger et une efficacit\u00e9 de d\u00e9charge et de charge am\u00e9lior\u00e9e.<\/p>\n\n\n\n<p>comment construire un pack de batteries lifepo4 ?<\/p>\n\n\n\n<p>Le probl\u00e8me central r\u00e9solu par l&#039;assemblage de <a href=\"https:\/\/www.ahotech.com\/fr\/produit\/batterie-lifepo4-12v\/\">Batterie Lifepo4 12 V<\/a> Le pack est la consistance d&#039;une cellule au lithium, c&#039;est-\u00e0-dire que plus la valeur de la diff\u00e9rence de pression, de capacit\u00e9 et de r\u00e9sistance interne de chaque cellule est faible, mieux c&#039;est, de sorte que le pack de batterie lifepo4 12 V assembl\u00e9 peut jouer le meilleur effet en termes d&#039;efficacit\u00e9 d&#039;utilisation et de dur\u00e9e de vie.<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"194\" src=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-300x194.png\" alt=\"piles AA au lithium rechargeables\" class=\"wp-image-4223\" srcset=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-300x194.png 300w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-768x498.png 768w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-600x389.png 600w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries.png 974w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p>Le mat\u00e9riau du pack de batterie lithium-ion personnalis\u00e9 est g\u00e9n\u00e9ralement connu sous le nom de 12,8 V, certains techniciens de batterie l&#039;appellent pack de batterie lithium-ion 12,8 V, bien s\u00fbr, lithium-fer-phosphate <a href=\"https:\/\/www.ahotech.com\/fr\/produit\/batterie-lifepo4-12v\/\">Batterie lithium-ion 12 V <\/a>Les exigences en mati\u00e8re de technologie de personnalisation sont plus strictes, il utilise une structure de batterie \u00e0 4 cha\u00eenes, peut \u00eatre une batterie lithium-ion 26650 ou une personnalisation du PACK de batterie lithium-ion 18650 via l&#039;assemblage de traitement du PACK de technologie de s\u00e9rie 4, puis transform\u00e9 en produits personnalis\u00e9s de batterie lithium fer phosphate 12V lifepo4.<\/p>\n\n\n\n<p>comment charger une batterie lifepo4 ?<\/p>\n\n\n\n<p>La m\u00e9thode de charge CCCV est recommand\u00e9e pour les batteries lithium-fer-phosphate\u00a0: courant et tension constants. Un courant constant de 0,3\u00a0C est recommand\u00e9. Lorsque la tension de la batterie atteint 3,65\u00a0V, utilisez une tension constante de 3,65\u00a0V pour la charge. Lorsque le courant de charge est inf\u00e9rieur \u00e0 0,1\u00a0C (ou 0,05\u00a0C), arr\u00eatez la charge, la batterie \u00e9tant alors compl\u00e8tement charg\u00e9e. Il est recommand\u00e9 de ne pas charger \u00e0 une tension trop \u00e9lev\u00e9e. Apr\u00e8s avoir ajust\u00e9 la tension, assurez-vous que le courant de charge est inf\u00e9rieur \u00e0 0,5\u00a0C, ce qui est b\u00e9n\u00e9fique pour la batterie.<\/p>\n\n\n\n<p>En g\u00e9n\u00e9ral, la tension de charge maximale des batteries lithium-fer-phosphate est de 3,7 \u00e0 4 V, et la tension de d\u00e9charge minimale de 2 \u00e0 2,5 V. Compte tenu de la capacit\u00e9 de d\u00e9charge, de la tension m\u00e9diane de d\u00e9charge, du temps de charge, du pourcentage de capacit\u00e9 \u00e0 courant constant et des imp\u00e9ratifs de s\u00e9curit\u00e9, un sch\u00e9ma de charge \u00e0 courant et tension constants est adopt\u00e9. Pour les batteries lithium-fer-phosphate, la tension limite de charge est fix\u00e9e \u00e0 3,55-3,70 V. La valeur recommand\u00e9e est comprise entre 3,60 V et 3,65 V. La tension de d\u00e9charge minimale est comprise entre 2,2 V et 2,5 V.<\/p>\n\n\n\n<p>Le chargeur d&#039;une batterie lithium-fer-phosphate diff\u00e8re de celui d&#039;une batterie au lithium ordinaire. La tension de terminaison maximale d&#039;une batterie au lithium est de 4,2 V, tandis que celle d&#039;une batterie lithium-fer-phosphate est de 3,65 V. Lors de la charge d&#039;une batterie lithium-fer-phosphate, la ligne est connect\u00e9e \u00e0 la plaque de charge \u00e9quilibr\u00e9e. La charge est g\u00e9n\u00e9ralement effectu\u00e9e en s\u00e9rie, directement aux deux extr\u00e9mit\u00e9s. La tension du chargeur est sup\u00e9rieure \u00e0 celle de la batterie. La tension de chaque cellule est d\u00e9tect\u00e9e par rang\u00e9e, ce qui \u00e9quivaut \u00e0 des tubes r\u00e9gulateurs en parall\u00e8le. La tension de charge d&#039;une cellule ne d\u00e9passe pas la valeur du r\u00e9gulateur, tandis que les autres cellules continuent d&#039;\u00eatre charg\u00e9es via le tube r\u00e9gulateur en d\u00e9rivation.<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-300x300.jpg\" alt=\"Batterie AGV\" class=\"wp-image-4186\" srcset=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-300x300.jpg 300w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-150x150.jpg 150w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-768x768.jpg 768w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-600x600.jpg 600w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery-100x100.jpg 100w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/01\/AGV-battery.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p>comment tester la batterie lifepo4 ?<\/p>\n\n\n\n<figure class=\"wp-block-image size-medium\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-300x300.jpg\" alt=\"Batterie lithium fer phosphate (1)\" class=\"wp-image-4156\" srcset=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-300x300.jpg 300w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-150x150.jpg 150w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-768x768.jpg 768w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-600x600.jpg 600w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09-100x100.jpg 100w, https:\/\/www.ahotech.com\/wp-content\/uploads\/2021\/12\/Lithium-iron-phosphate-battery\uff081\uff09.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<p>Chargement de la batterie<br>\u00c0 des temp\u00e9ratures de 20 \u00b0C et 5 \u00b0C, la batterie est d\u00e9charg\u00e9e avec un courant 1I3(A) jusqu&#039;\u00e0 ce que la tension atteigne V, puis laiss\u00e9e pendant 1 h, puis charg\u00e9e avec un courant constant 1I3(A) \u00e0 20 \u00b0C \u00b1 5 \u00b0C. Lorsque la tension de la batterie atteint une tension constante, elle est charg\u00e9e jusqu&#039;\u00e0 ce que le courant de charge chute pour arr\u00eater la charge. Apr\u00e8s la charge, laissez la batterie reposer.<br>Capacit\u00e9 de d\u00e9charge de 20 \u2103<br>A) La batterie est charg\u00e9e selon la m\u00e9thode.<br>B) La batterie se d\u00e9charge \u00e0 un courant de 1I3 (A) \u00e0 20 \u00b0 C et 5 \u00b0 C jusqu&#039;\u00e0 ce que la d\u00e9charge mette fin \u00e0 la tension.<br>C) La valeur actuelle et les donn\u00e9es de temps de d\u00e9charge de 1I3(A) sont utilis\u00e9es pour calculer la capacit\u00e9 (en m\u00e8tres).<br>D) Si la valeur calcul\u00e9e est inf\u00e9rieure \u00e0 la valeur indiqu\u00e9e, les \u00e9tapes A) \u00e0 C) peuvent \u00eatre r\u00e9p\u00e9t\u00e9es jusqu&#039;\u00e0 ce qu&#039;elle soit sup\u00e9rieure ou \u00e9gale \u00e0 la valeur indiqu\u00e9e, en autorisant 5 fois.<br>Capacit\u00e9 de d\u00e9charge de -20\u2103<br>A) La batterie est charg\u00e9e selon la m\u00e9thode.<br>B) La batterie est stock\u00e9e \u00e0 -20\u2103 et 2\u2103 pendant 20h.<br>C) La batterie se d\u00e9charge \u00e0 un courant de 1I3 (A) \u00e0 -20\u2103 et 2\u2103 jusqu&#039;\u00e0 ce que la d\u00e9charge mette fin \u00e0 la tension.<br>D) Utilisez c) la valeur actuelle et les donn\u00e9es de temps de d\u00e9charge pour calculer la capacit\u00e9 (mesur\u00e9e) et l&#039;exprimer en pourcentage de la capacit\u00e9 de d\u00e9charge \u00e0 20\u2103.<br>Capacit\u00e9 de d\u00e9charge de -40\u2103<br>A) La batterie est charg\u00e9e selon la m\u00e9thode.<br>B) La batterie est stock\u00e9e \u00e0 -40\u2103 et 2\u2103 pendant 20h.<br>C) La batterie se d\u00e9charge \u00e0 un courant de 1I3 (A) \u00e0 -40\u2103 et 2\u2103 jusqu&#039;\u00e0 ce que la d\u00e9charge mette fin \u00e0 la tension.<br>D) Utilisez c) la valeur actuelle et les donn\u00e9es de temps de d\u00e9charge pour calculer la capacit\u00e9 (mesur\u00e9e) et l&#039;exprimer en pourcentage de la capacit\u00e9 de d\u00e9charge \u00e0 20\u2103.<br>Cycle de vie<br>A) Chargez ensuite la batterie \u00e0 9I3 (a) \u00e0 courant constant \u00e0 20 \u00b0C \u00b1 5 \u00b0C jusqu&#039;\u00e0 ce que la tension atteigne une valeur constante. La charge s&#039;arr\u00eate lorsque le courant chute. Apr\u00e8s la charge, laissez la batterie reposer.<br>B) La batterie est d\u00e9charg\u00e9e \u00e0 un courant de 913(A) \u00e0 une temp\u00e9rature de 20\u2103 et 2\u2103, puis laiss\u00e9e reposer pendant 15 minutes.<br>C) La batterie est charg\u00e9e selon la m\u00e9thode A).<br>D) R\u00e9p\u00e9tez les \u00e9tapes b) \u00e0 c) plusieurs fois.<br>E) V\u00e9rifier la capacit\u00e9 selon la m\u00e9thode. Si la capacit\u00e9 de la batterie est inf\u00e9rieure \u00e0 92% de la capacit\u00e9 nominale, arr\u00eater le test.<br>F) b) e) Le nombre de fois qu&#039;une \u00e9tape est r\u00e9p\u00e9t\u00e9e dans des conditions sp\u00e9cifi\u00e9es est le nombre de cycles.<\/p>","protected":false},"excerpt":{"rendered":"<p>what is lifepo4 battery? The lifepo4 battery or LFP battery, is a type of lifepo4 battery using lithium iron phosphate as the cathode material, and a graphitic carbon electrode with a metallic backing as the anode. lifepo4 battery offer lots of benefits compared to lead-acid batteries and other lithium batteries. For example, Longer life span, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","footer-sml-layout":"","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":"","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":""},"tablet":{"background-color":"","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":"","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":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","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":""},"tablet":{"background-color":"var(--ast-global-color-5)","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-5)","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":""},"categories":[1],"tags":[],"class_list":["post-4025","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to test lifepo4 battery - Ahotech.com<\/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:\/\/www.ahotech.com\/fr\/2021\/12\/comment-tester-une-batterie-lifepo4\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to test lifepo4 battery - Ahotech.com\" \/>\n<meta property=\"og:description\" content=\"what is lifepo4 battery? The lifepo4 battery or LFP battery, is a type of lifepo4 battery using lithium iron phosphate as the cathode material, and a graphitic carbon electrode with a metallic backing as the anode. lifepo4 battery offer lots of benefits compared to lead-acid batteries and other lithium batteries. For example, Longer life span, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ahotech.com\/fr\/2021\/12\/comment-tester-une-batterie-lifepo4\/\" \/>\n<meta property=\"og:site_name\" content=\"Ahotech.com\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-10T12:20:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-02-22T04:17:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ahotech.com\/wp-content\/uploads\/2022\/02\/rechargeable-lithium-aa-batteries-300x194.png\" \/>\n<meta name=\"author\" content=\"Louis Ellis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Louis Ellis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/de.ahotech.com\\\/2021\\\/12\\\/wie-testet-man-einen-lifepo4-akku\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/de.ahotech.com\\\/2021\\\/12\\\/wie-testet-man-einen-lifepo4-akku\\\/\"},\"author\":{\"name\":\"Louis Ellis\",\"@id\":\"https:\\\/\\\/www.ahotech.com\\\/es\\\/#\\\/schema\\\/person\\\/3958f5a43b93565fc68c6fecec0ab3dc\"},\"headline\":\"How to test lifepo4 battery\",\"datePublished\":\"2021-12-10T12:20:15+00:00\",\"dateModified\":\"2022-02-22T04:17:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/de.ahotech.com\\\/2021\\\/12\\\/wie-testet-man-einen-lifepo4-akku\\\/\"},\"wordCount\":891,\"publisher\":{\"@id\":\"https:\\\/\\\/www.ahotech.com\\\/es\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/de.ahotech.com\\\/2021\\\/12\\\/wie-testet-man-einen-lifepo4-akku\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ahotech.com\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/rechargeable-lithium-aa-batteries-300x194.png\",\"articleSection\":[\"Uncategorized\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/de.ahotech.com\\\/2021\\\/12\\\/wie-testet-man-einen-lifepo4-akku\\\/\",\"url\":\"https:\\\/\\\/de.ahotech.com\\\/2021\\\/12\\\/wie-testet-man-einen-lifepo4-akku\\\/\",\"name\":\"How to test lifepo4 battery - 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