{"id":23914,"date":"2023-05-15T10:58:01","date_gmt":"2023-05-15T10:58:01","guid":{"rendered":"https:\/\/batteryswapstation.com\/?p=23914"},"modified":"2023-05-15T10:58:04","modified_gmt":"2023-05-15T10:58:04","slug":"charging-and-discharging-of-lithium-ion-battery","status":"publish","type":"post","link":"https:\/\/batteryswapstation.com\/fr\/charging-and-discharging-of-lithium-ion-battery\/","title":{"rendered":"Charge et d\u00e9charge de la batterie lithium-ion - 12 m\u00e9thodes de charge\/d\u00e9charge"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"23914\" class=\"elementor elementor-23914\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c20dd67 e-flex e-con-boxed e-con e-parent\" data-id=\"c20dd67\" 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-1665cf9 elementor-widget__width-initial elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"1665cf9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable des mati\u00e8res\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__1665cf9\" aria-expanded=\"true\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__1665cf9\" aria-expanded=\"true\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__1665cf9\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-76b12fa e-flex e-con-boxed e-con e-parent\" data-id=\"76b12fa\" 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-aeac530 elementor-widget elementor-widget-text-editor\" data-id=\"aeac530\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div style=\"line-height: 40px;\"><p>En tant que dispositif de conversion mutuelle de l'\u00e9nergie chimique et de l'\u00e9nergie \u00e9lectrique, les piles au lithium sont appel\u00e9es \u00e0 se charger et \u00e0 se d\u00e9charger au cours de leur utilisation. Une m\u00e9thode de charge et de d\u00e9charge raisonnable peut non seulement r\u00e9duire le degr\u00e9 d'endommagement de la batterie au lithium, mais aussi donner toute sa mesure \u00e0 la performance de la batterie au lithium.<br \/><iframe loading=\"lazy\" title=\"\u00c9change de batteries ou station de recharge en Chine -TYCORUN ENERGY\" src=\"https:\/\/www.youtube.com\/embed\/ecbYFgiCLLA\" width=\"640\" height=\"360\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p><h2 id=\"what-is-charging-and-discharging-of-lithium-ion-battery\">Qu'est-ce que la charge et la d\u00e9charge d'une batterie au lithium-ion ?<\/h2><p>La batterie au lithium est compos\u00e9e d'une cathode, d'une anode, d'un s\u00e9parateur et d'un \u00e9lectrolyte. Les <a href=\"https:\/\/batteryswapstation.com\/fr\/lithium-battery-separator\/\"><span style=\"text-decoration: underline; color: #333399;\">s\u00e9parateur de piles au lithium<\/span><\/a> laisse passer les ions lithium, mais pas les \u00e9lectrons.<\/p><p>Lors de la charge, sous l'action d'une source d'\u00e9nergie externe, les atomes de lithium de la cathode se d\u00e9composent en \u00e9lectrons et en ions de lithium, de sorte que les ions de lithium se d\u00e9placent \u00e0 travers le s\u00e9parateur jusqu'\u00e0 la <a href=\"https:\/\/batteryswapstation.com\/fr\/lithium-ion-battery-anode-materials\/\"><span style=\"text-decoration: underline; color: #333399;\">anode de batterie lithium-ion<\/span><\/a>et les \u00e9lectrons se d\u00e9placent dans le circuit ext\u00e9rieur jusqu'\u00e0 l'anode.<br \/>Lors de la d\u00e9charge, les atomes de lithium de l'anode de la batterie lithium-ion se d\u00e9composent en \u00e9lectrons et en ions lithium, qui passent par un circuit ext\u00e9rieur vers l'extr\u00e9mit\u00e9 positive et par un s\u00e9parateur vers la cathode.<br \/>Ce processus est appel\u00e9 <strong>charge et d\u00e9charge de la batterie au lithium-ion<\/strong>.<\/p><h2 id=\"charging-method-of-lithium-ion-battery\">M\u00e9thode de chargement d'une batterie au lithium-ion<\/h2><p>Qu'il s'agisse d'une batterie de puissance ou d'une batterie grand public, la m\u00e9thode de charge recommand\u00e9e par l'industrie et la norme pour les batteries au lithium est la charge \u00e0 courant constant et tension constante (CC-CV). Outre le mode de charge CC-CV standard, la batterie au lithium peut \u00e9galement \u00eatre charg\u00e9e en CC, en CV, en CP, en CP-CV, etc.<\/p><h3 id=\"constant-current-charge\">Charge \u00e0 courant constant<\/h3><p>La charge CC est l'abr\u00e9viation de charge \u00e0 courant constant. Pendant tout le processus de charge, le courant est constant et la tension augmente progressivement. Suggestion : Autorisez l'utilisation de cette m\u00e9thode.<\/p><figure id=\"attachment_23917\" aria-describedby=\"caption-attachment-23917\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23917\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CC-charge-curve.webp\" alt=\"Courbe de charge CC\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23917\" class=\"wp-caption-text\">Courbe de charge CC<\/figcaption><\/figure><h3 id=\"constant-voltage-charge\">Charge \u00e0 tension constante<\/h3><p>La charge CV est l'abr\u00e9viation de charge \u00e0 tension constante. Au moment de la charge, la tension atteint la valeur d\u00e9finie et le courant est \u00e0 son maximum. Comme le montre la figure ci-dessous, apr\u00e8s que la d\u00e9charge de la batterie au lithium a atteint 3,0 V, le courant de charge instantan\u00e9 de la tension constante de 4,2 V atteint environ 17,5 C, puis le courant diminue progressivement jusqu'\u00e0 ce que la charge se termine apr\u00e8s avoir atteint la valeur d\u00e9finie. Suggestion : Ne pas utiliser cette m\u00e9thode.<\/p><figure id=\"attachment_23918\" aria-describedby=\"caption-attachment-23918\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23918\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CV-charge-curve.webp\" alt=\"CV-courbe de charge\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23918\" class=\"wp-caption-text\">Courbe de charge CV<\/figcaption><\/figure><h3 id=\"constant-current-and-constant-voltage-charge\">Charge \u00e0 courant constant et \u00e0 tension constante<\/h3><p>La charge CC-CV est l'abr\u00e9viation de charge \u00e0 courant constant et tension constante. Ce mode de charge est la combinaison de la charge CC et de la charge CV. Pendant le processus de charge, le courant reste d'abord constant, et lorsque la tension est charg\u00e9e jusqu'\u00e0 la limite sup\u00e9rieure, la tension reste constante et inchang\u00e9e. Enfin, la charge se termine lorsque le courant diminue progressivement jusqu'\u00e0 la valeur d\u00e9finie. Suggestion : Autoriser l'utilisation de cette m\u00e9thode.<\/p><figure id=\"attachment_23919\" aria-describedby=\"caption-attachment-23919\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23919\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CC-CV-charge-curve.webp\" alt=\"CC-CV-courbe de charge\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23919\" class=\"wp-caption-text\">Courbe de charge CC-CV<\/figcaption><\/figure><h3 id=\"constant-power-charge\">Charge \u00e0 puissance constante<\/h3><p>CP charge est l'abr\u00e9viation de constant power charge (charge \u00e0 puissance constante). La puissance est maintenue constante pendant le processus de charge, et le courant diminue progressivement \u00e0 mesure que la tension augmente pendant la charge. Suggestion : Autoriser l'utilisation de cette m\u00e9thode.<\/p><figure id=\"attachment_23920\" aria-describedby=\"caption-attachment-23920\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23920\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CP-charge-curve.webp\" alt=\"Courbe de charge\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23920\" class=\"wp-caption-text\">Courbe de charge CP<\/figcaption><\/figure><h3 id=\"constant-power-and-constant-voltage-charge\">Charge \u00e0 puissance constante et tension constante<\/h3><p>La charge CP-CV est l'abr\u00e9viation de charge \u00e0 puissance constante et tension constante. Il s'agit d'une combinaison de la charge \u00e0 puissance constante et de la charge \u00e0 tension constante. Tout d'abord, la charge \u00e0 puissance constante jusqu'\u00e0 la tension de terminaison, puis le maintien d'une tension constante. Lorsque le courant diminue jusqu'\u00e0 la valeur d\u00e9finie, la charge s'arr\u00eate. Suggestion : Autoriser l'utilisation de cette m\u00e9thode.<\/p><figure id=\"attachment_23921\" aria-describedby=\"caption-attachment-23921\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23921\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CP-CV-charge-curve.webp\" alt=\"CP-CV-courbe de charge\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23921\" class=\"wp-caption-text\">Courbe de charge CP-CV<\/figcaption><\/figure><h2 id=\"discharging-method-of-lithium-ion-battery\">M\u00e9thode de d\u00e9charge d'une batterie au lithium-ion<\/h2><p>Outre le mode de d\u00e9charge CC exig\u00e9 par la norme, les piles au lithium peuvent \u00e9galement effectuer des d\u00e9charges CV, CC-CV, CP, CP-CC-CV, CR, CR-CV, etc.<\/p><h3 id=\"constant-current-discharge\">D\u00e9charge \u00e0 courant constant<\/h3><p>La d\u00e9charge CC est l'abr\u00e9viation de d\u00e9charge \u00e0 courant constant. Il s'agit du mode de d\u00e9charge le plus courant des batteries au lithium. Pendant tout le processus de d\u00e9charge, le courant reste constant, la tension diminue progressivement jusqu'\u00e0 la tension de terminaison et la d\u00e9charge se termine. Suggestion : Autoriser l'utilisation de cette m\u00e9thode.<\/p><figure id=\"attachment_23922\" aria-describedby=\"caption-attachment-23922\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23922\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CC-discharge-curve.webp\" alt=\"Courbe de d\u00e9charge CC\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23922\" class=\"wp-caption-text\">Courbe de d\u00e9charge CC<\/figcaption><\/figure><h3 id=\"Constant-Voltage-Discharge\">D\u00e9charge \u00e0 tension constante<\/h3><p>La d\u00e9charge CV est l'abr\u00e9viation de d\u00e9charge \u00e0 tension constante. La tension atteint la valeur d\u00e9finie et le courant est \u00e0 son maximum. Comme le montre la figure ci-dessous, la d\u00e9charge \u00e0 tension constante d'une batterie au lithium est r\u00e9gl\u00e9e sur 3,0 V. Le courant de d\u00e9charge instantan\u00e9 atteint 30 \u00e0 35 \u00b0C, puis le courant diminue progressivement et la d\u00e9charge s'ach\u00e8ve lorsqu'il atteint la valeur d\u00e9finie. Suggestion : N'utilisez pas cette m\u00e9thode.<\/p><figure id=\"attachment_23923\" aria-describedby=\"caption-attachment-23923\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23923\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CV-discharge-curve.webp\" alt=\"Courbe de d\u00e9charge CV\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23923\" class=\"wp-caption-text\">Courbe de d\u00e9charge CV<\/figcaption><\/figure><h3 id=\"constant-current-and-constant-voltage-discharge\">D\u00e9charge \u00e0 courant constant et \u00e0 tension constante<\/h3><p>La d\u00e9charge CC-CV est l'abr\u00e9viation de d\u00e9charge \u00e0 courant constant et tension constante. Il s'agit d'une combinaison de la d\u00e9charge CC et de la d\u00e9charge CV. Tout d'abord, la d\u00e9charge se fait avec un courant constant jusqu'\u00e0 la tension de terminaison, la tension reste inchang\u00e9e, puis le courant diminue progressivement jusqu'\u00e0 la valeur d\u00e9finie, la d\u00e9charge se termine. Suggestion : Autoriser l'utilisation de cette m\u00e9thode.<\/p><figure id=\"attachment_23924\" aria-describedby=\"caption-attachment-23924\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23924\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CC-CV-discharge-curve.webp\" alt=\"Courbe de d\u00e9charge CC-CV\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23924\" class=\"wp-caption-text\">Courbe de d\u00e9charge CC-CV<\/figcaption><\/figure><h3 id=\"constant-power-discharge\">D\u00e9charge \u00e0 puissance constante<\/h3><p>CP discharge est l'abr\u00e9viation de constant power discharge (d\u00e9charge \u00e0 puissance constante). La puissance est maintenue constante pendant la d\u00e9charge. Lorsque la tension diminue pendant la d\u00e9charge, le courant augmente progressivement. Suggestion : Autoriser l'utilisation de cette m\u00e9thode.<\/p><figure id=\"attachment_23925\" aria-describedby=\"caption-attachment-23925\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23925\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CP-discharge-curve.webp\" alt=\"Courbe de d\u00e9charge CP\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23925\" class=\"wp-caption-text\">Courbe de d\u00e9charge CP<\/figcaption><\/figure><h3 id=\"constant-power-and-constant-current-and-constant-voltage-discharge\">D\u00e9charge \u00e0 puissance constante, \u00e0 courant constant et \u00e0 tension constante<\/h3><p>La d\u00e9charge CP-CC-CV est l'abr\u00e9viation de d\u00e9charge \u00e0 puissance constante, courant constant et tension constante. Il s'agit d'une m\u00e9thode de d\u00e9charge combinant CP, CC et CV. La puissance constante est d'abord d\u00e9charg\u00e9e jusqu'\u00e0 la tension de terminaison. Lorsque le courant \u00e0 la fin de CP est sup\u00e9rieur au courant CC \u00e0 l'\u00e9tape suivante, la tension de d\u00e9charge CC augmente d'abord et diminue ensuite jusqu'\u00e0 la tension de terminaison, puis la tension reste constante jusqu'\u00e0 ce que le courant diminue jusqu'\u00e0 la valeur d\u00e9finie, et la d\u00e9charge se termine. Suggestion : Autoriser l'utilisation de cette m\u00e9thode.<\/p><figure id=\"attachment_23926\" aria-describedby=\"caption-attachment-23926\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23926\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CP-CC-CV-discharge-curve.webp\" alt=\"Courbe de d\u00e9charge CP-CC-CV\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23926\" class=\"wp-caption-text\">Courbe de d\u00e9charge CP-CC-CV<\/figcaption><\/figure><h3 id=\"constant resistance discharge\">D\u00e9charge \u00e0 r\u00e9sistance constante<\/h3><p>La d\u00e9charge CR est l'abr\u00e9viation de d\u00e9charge \u00e0 r\u00e9sistance constante. Elle est \u00e9quivalente \u00e0 une r\u00e9sistance externe. Selon la formule U=I* (R externe +DCR), la r\u00e9sistance externe \u00e9tant suffisamment grande, la valeur du courant diminuera progressivement avec la baisse de la tension dans le processus de d\u00e9charge \u00e0 r\u00e9sistance constante. Suggestion : Autoriser l'utilisation de cette m\u00e9thode.<\/p><figure id=\"attachment_23927\" aria-describedby=\"caption-attachment-23927\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23927\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CR-discharge-curve.webp\" alt=\"Courbe de d\u00e9charge CR\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23927\" class=\"wp-caption-text\">Courbe de d\u00e9charge CR<\/figcaption><\/figure><h3 id=\"constant-resistance-and-constant-voltage-discharge\">D\u00e9charge \u00e0 r\u00e9sistance constante et \u00e0 tension constante<\/h3><p>La d\u00e9charge CR-CV est l'abr\u00e9viation de d\u00e9charge \u00e0 r\u00e9sistance constante et tension constante. Il s'agit d'une combinaison de la d\u00e9charge CR et de la d\u00e9charge CV, c'est-\u00e0-dire que l'on d\u00e9charge d'abord jusqu'\u00e0 la tension de terminaison avec une r\u00e9sistance constante, puis on maintient la tension constante et inchang\u00e9e. Lorsque le courant diminue jusqu'\u00e0 la valeur d\u00e9finie, la d\u00e9charge s'arr\u00eate. Suggestion : Autoriser l'utilisation de cette m\u00e9thode.<\/p><figure id=\"attachment_23928\" aria-describedby=\"caption-attachment-23928\" style=\"width: 470px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23928\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/CR-CV-discharge-curve.webp\" alt=\"Courbe de d\u00e9charge CR-CV\" width=\"470\" height=\"291\" \/><figcaption id=\"caption-attachment-23928\" class=\"wp-caption-text\">Courbe de d\u00e9charge CR-CV<\/figcaption><\/figure><p>En r\u00e9sum\u00e9, il existe diff\u00e9rentes m\u00e9thodes de charge et de d\u00e9charge des batteries au lithium-ion, mais en derni\u00e8re analyse, il s'agit de processus en une seule \u00e9tape ou combin\u00e9s bas\u00e9s sur CC (courant constant), CV (tension constante), CP (puissance constante) ou CR (r\u00e9sistance constante). Les variations de courant et de tension de ces m\u00e9thodes de charge et de d\u00e9charge sont indiqu\u00e9es dans le tableau suivant.<\/p><figure id=\"attachment_23929\" aria-describedby=\"caption-attachment-23929\" style=\"width: 602px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-23929\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/04\/current-and-voltage-change.png\" alt=\"courant et changement de tension\" width=\"602\" height=\"458\" \/><figcaption id=\"caption-attachment-23929\" class=\"wp-caption-text\">Variation du courant et de la tension<\/figcaption><\/figure><p>\u00c0 l'heure actuelle, le principal mode de charge des batteries au lithium est encore le CC-CV, en raison du ph\u00e9nom\u00e8ne de polarisation qui existe dans les batteries au lithium (la tension imm\u00e9diate n'est pas la tension d'\u00e9quilibre).<br \/>Dans la phase CC, le courant est important et la vitesse de charge est rapide. Apr\u00e8s que la tension a atteint la tension sup\u00e9rieure, le potentiel constant est maintenu, et les \u00e9lectrons du circuit externe et Li+ r\u00e9agissent ensemble \u00e0 l'\u00e9lectrode n\u00e9gative. Le nombre d'\u00e9lectrons impliqu\u00e9s dans la r\u00e9action diminue et le courant diminue progressivement. Lorsque le courant diminue jusqu'\u00e0 0 (id\u00e9alement), la polarisation est compl\u00e8tement \u00e9limin\u00e9e et la batterie au lithium est compl\u00e8tement charg\u00e9e.<\/p><p>Cependant, le mode CC est g\u00e9n\u00e9ralement adopt\u00e9 dans le processus de d\u00e9charge des batteries au lithium, ce qui peut faciliter le calcul de la capacit\u00e9 ou l'estimation du SOC. Dans les conditions r\u00e9elles, la d\u00e9charge \u00e0 puissance constante est le plus souvent utilis\u00e9e.<\/p><h2 id=\"summary\">R\u00e9sum\u00e9<\/h2><p>Le choix du mode de charge et de d\u00e9charge de la batterie au lithium-ion doit tenir compte de la commodit\u00e9 du traitement des donn\u00e9es, de l'efficacit\u00e9 de la charge\/d\u00e9charge et du risque d'endommagement interne de la batterie au lithium, ce qui devrait non seulement permettre de tirer pleinement parti des performances de la batterie au lithium, mais aussi d'assurer une d\u00e9tection rapide et pr\u00e9cise. Actuellement, la d\u00e9tection de la batterie au lithium est principalement bas\u00e9e sur le mode de charge CC-CV et le mode de d\u00e9charge CC, mais dans les conditions r\u00e9elles d'utilisation du terminal, le mode CP est principalement utilis\u00e9.<\/p><\/div>\t\t\t\t\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-79c6ee7 e-flex e-con-boxed e-con e-parent\" data-id=\"79c6ee7\" 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-a852ab4 elementor-widget elementor-widget-heading\" data-id=\"a852ab4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">Poste 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class=\"elementor-post__thumbnail__link\" href=\"https:\/\/batteryswapstation.com\/fr\/lithium-supplement\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2022\/12\/lithium-ion-battery-cathode-and-anode-lithium-supplement-technology-300x225.webp\" class=\"attachment-medium size-medium wp-image-21063\" alt=\"technologie de suppl\u00e9ment de lithium pour les batteries lithium-ion \u00e0 cathode et anode\" title=\"\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<div class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/batteryswapstation.com\/fr\/lithium-supplement\/\" >\n\t\t\t\tTechnologie de suppl\u00e9mentation en lithium de la cathode et de l'anode des batteries lithium-ion\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span 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href=\"https:\/\/batteryswapstation.com\/fr\/the-best-100ah-lithium-ion-battery\/\" aria-label=\"En savoir plus sur La meilleure batterie lithium-ion 100ah - comparaison, consid\u00e9rations d&#039;achat et FAQs\" tabindex=\"-1\" >\n\t\t\tLire la suite \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-21985 post type-post status-publish format-standard has-post-thumbnail hentry category-top-battery-list tag-battery tag-lithium\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/batteryswapstation.com\/fr\/lithium-supplement-manufacturers\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/batteryswapstation.com\/wp-content\/uploads\/2023\/01\/Top-5-lithium-supplement-manufacturers-in-China-300x225.webp\" class=\"attachment-medium size-medium wp-image-21986\" alt=\"Les 5 premiers fabricants de compl\u00e9ments alimentaires au lithium en Chine\" title=\"\" \/><\/div>\n\t\t<\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<div class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/batteryswapstation.com\/fr\/lithium-supplement-manufacturers\/\" >\n\t\t\t\tLes 5 premiers fabricants de compl\u00e9ments alimentaires au lithium en Chine\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\t7 janvier 2023\t\t<\/span>\n\t\t\t\t<span class=\"elementor-post-avatar\">\n\t\t\tAucun commentaire\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/batteryswapstation.com\/fr\/lithium-supplement-manufacturers\/\" aria-label=\"En savoir plus sur Les 5 premiers fabricants de compl\u00e9ments alimentaires au lithium en Chine\" tabindex=\"-1\" >\n\t\t\tLire la suite \"\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\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>Table des mati\u00e8res En tant que dispositif de conversion mutuelle de l'\u00e9nergie chimique et de l'\u00e9nergie \u00e9lectrique, les piles au lithium se chargent et se d\u00e9chargent obligatoirement de la mani\u00e8re suivante<\/p>","protected":false},"author":1,"featured_media":23915,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_rtcl_gb_attr":"","footnotes":""},"categories":[224,219],"tags":[220,228,221],"class_list":["post-23914","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-battery-industry","category-battery-knowledge","tag-battery","tag-cell","tag-lithium"],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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