{"id":111832,"date":"2023-08-27T10:31:53","date_gmt":"2023-08-27T10:31:53","guid":{"rendered":"https:\/\/www.takomabattery.com\/?p=111832"},"modified":"2023-10-21T07:33:21","modified_gmt":"2023-10-21T07:33:21","slug":"electric-vehicle-on-board-charger","status":"publish","type":"post","link":"https:\/\/www.takomabattery.com\/fr\/electric-vehicle-on-board-charger\/","title":{"rendered":"Chargeur embarqu\u00e9 pour v\u00e9hicule \u00e9lectrique et structure de son circuit"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"111832\" class=\"elementor elementor-111832\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4fccb5a5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4fccb5a5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-62bdb2a1\" data-id=\"62bdb2a1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6aac15d3 elementor-widget elementor-widget-heading\" data-id=\"6aac15d3\" 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<h1 class=\"elementor-heading-title elementor-size-default\">Electric vehicle on board charger and its circuit structure<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39919584 elementor-widget elementor-widget-spacer\" data-id=\"39919584\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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 class=\"elementor-element elementor-element-16cbb5f5 elementor-widget elementor-widget-text-editor\" data-id=\"16cbb5f5\" 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=\"padding-left: 2.2em;padding-right: 2.2em;line-height: 40px\">The continuous rise of electric vehicles has led to a rapid increase in the installed capacity of on board chargers. Basically, every electric vehicle needs to be equipped with an <strong>electric vehicle on board charger<\/strong> (OBC). Today we will get into the world of electric vehicle on board charger, and its circuit structure.<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cc7fb9d elementor-widget elementor-widget-spacer\" data-id=\"7cc7fb9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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 class=\"elementor-element elementor-element-6aa349ad elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"6aa349ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:&quot;.paichu_post&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<div class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/div>\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__6aa349ad\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/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__6aa349ad\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__6aa349ad\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\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 class=\"elementor-element elementor-element-2b96b46e elementor-widget elementor-widget-spacer\" data-id=\"2b96b46e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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 class=\"elementor-element elementor-element-665198fd uael-aspect-ratio-16_9 uael-youtube-subscribe-no elementor-widget elementor-widget-uael-video\" data-id=\"665198fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"uael-video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"uael-video__outer-wrap  uael-video-type-youtube\" data-device=\"false\" data-vsticky=\"no\" data-hidedesktop=\"\" data-hidetablet=\"\" data-hidemobile=\"\" data-vsticky-viewport=\"0\" data-autoplay=\"0\">\n\t\t\t\t\t\t<div class=\"uael-video-inner-wrap\">\n\t\t\t\t<div class=\"uael-video__play\" data-src=\"https:\/\/www.youtube.com\/embed\/hpEpcpLQHMc?rel=0&amp;start&amp;end&amp;controls=1&amp;mute=0&amp;modestbranding=0&amp;autoplay=1\">\n\t\t\t\t\t<img decoding=\"async\" class=\"uael-video__thumb\" src=\"https:\/\/i.ytimg.com\/vi\/hpEpcpLQHMc\/maxresdefault.jpg\" alt=\"\"><\/img>\n\t\t\t\t\t<div class=\"uael-video__play-icon uael-animation-\">\n\t\t\t\t\t\t<svg height=\"100%\" version=\"1.1\" viewBox=\"0 0 68 48\" width=\"100%\"><path class=\"uael-youtube-icon-bg\" d=\"m .66,37.62 c 0,0 .66,4.70 2.70,6.77 2.58,2.71 5.98,2.63 7.49,2.91 5.43,.52 23.10,.68 23.12,.68 .00,-1.3e-5 14.29,-0.02 23.81,-0.71 1.32,-0.15 4.22,-0.17 6.81,-2.89 2.03,-2.07 2.70,-6.77 2.70,-6.77 0,0 .67,-5.52 .67,-11.04 l 0,-5.17 c 0,-5.52 -0.67,-11.04 -0.67,-11.04 0,0 -0.66,-4.70 -2.70,-6.77 C 62.03,.86 59.13,.84 57.80,.69 48.28,0 34.00,0 34.00,0 33.97,0 19.69,0 10.18,.69 8.85,.84 5.95,.86 3.36,3.58 1.32,5.65 .66,10.35 .66,10.35 c 0,0 -0.55,4.50 -0.66,9.45 l 0,8.36 c .10,4.94 .66,9.45 .66,9.45 z\" fill=\"#1f1f1e\"><\/path><path d=\"m 26.96,13.67 18.37,9.62 -18.37,9.55 -0.00,-19.17 z\" fill=\"#fff\"><\/path><path d=\"M 45.02,23.46 45.32,23.28 26.96,13.67 43.32,24.34 45.02,23.46 z\" fill=\"#ccc\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-788e82d3 elementor-widget elementor-widget-spacer\" data-id=\"788e82d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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 class=\"elementor-element elementor-element-1227a9bd elementor-widget elementor-widget-text-editor\" data-id=\"1227a9bd\" 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=\"padding-left: 2.2em;padding-right: 2.2em;line-height: 40px\"><h2 id=\"the-development-trend-of-electric-vehicle-on-board-charger\">The development trend of electric vehicle on board charger<\/h2><p>China&#8217;s new energy electric vehicles are developing rapidly. By 2022, the annual sales volume of China&#8217;s new energy electric vehicles was 6.887 million, a year-on-year increase of 93.4%, and the market share reached 26%. It is predicted that the total sales of electric vehicles in China will exceed 9 million in 2023, a year-on-year increase of 35%, and the penetration rate will reach 32.6%.<\/p><p>In 2022, the installed capacity of electric vehicle on board chargers reached 5.1287 million sets, a year-on-year increase of 77.6%. It is estimated that the market size will reach 30 billion RMB in 2023, with huge potential. When using AC charging piles to charge, electric vehicles need to be equipped with on board chargers.<\/p><p>It is the core component of the internal energy conversion of the electric vehicle. It can fully charge the <span style=\"text-decoration: underline;color: #333399\"><a style=\"color: #333399;text-decoration: underline\" href=\"https:\/\/www.takomabattery.com\/power-wheels-battery\/\" target=\"_blank\" rel=\"noopener\">power wheels battery<\/a><\/span> safely and automatically. According to the data provided by the battery management system (BMS), it can automatically adjust the charging current and voltage parameters, so as to make corresponding instructions to complete the charging process.<\/p><figure id=\"attachment_111836\" aria-describedby=\"caption-attachment-111836\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-111836\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Electric-vehicle-charging-methods.webp\" alt=\"Electric-vehicle-charging-methods\" width=\"1000\" height=\"500\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Electric-vehicle-charging-methods.webp 1000w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Electric-vehicle-charging-methods-300x150.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Electric-vehicle-charging-methods-768x384.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Electric-vehicle-charging-methods-600x300.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-111836\" class=\"wp-caption-text\">Electric vehicle charging methods<\/figcaption><\/figure><p>Considering the space constraints and safety requirements of its own products, electric vehicle on board chargers need to have strict requirements in terms of power density, charging efficiency, weight, volume, output voltage and current, safety and reliability. In order to meet the needs of users and car manufacturers, electric vehicle on board chargers have experienced many challenges, such as:<\/p><ol><li><strong>How to achieve high power density of electric vehicle on board charger:<\/strong><br \/>It requires selecting a high-frequency and high-efficiency circuit topology and optimizing the design of the circuit structure.<\/li><li><strong>How to achieve bidirectional flow of electric energy to use BMS to power some AC equipment:<\/strong><br \/>It requires the <span style=\"text-decoration: underline;color: #333399\"><a style=\"color: #333399;text-decoration: underline\" href=\"https:\/\/www.takomabattery.com\/best-guide-for-choosing-a-perfect-lithium-battery-charger\/\" target=\"_blank\" rel=\"noopener\">battery charger<\/a><\/span> to have a bidirectional topology.<\/li><li><strong>How to reduce volume under higher power index:<\/strong><br \/>It requires the electric vehicle on board charger to move towards intelligence and high integration.<\/li><\/ol><p>In order to realize fast two-way charging of electric vehicles, charging piles, batteries and electric vehicle on board chargers have all undergone technical improvements.<\/p><p>Charging piles are rapidly developing towards high power, high voltage, two-way, wide range and other characteristics. Batteries are being upgraded towards <span style=\"text-decoration: underline\"><span style=\"color: #333399;text-decoration: underline\"><a style=\"color: #333399;text-decoration: underline\" href=\"https:\/\/www.takomabattery.com\/the-ultimate-energy-source-high-voltage-battery\/\" target=\"_blank\" rel=\"noopener\">high voltage battery<\/a><\/span><\/span> (400V\u2192800V) and high power. New materials and other aspects have also made great progress, and are developing in the direction of bidirectional charging and discharging, intelligence, and integration.<\/p><p>At present, there are mainly the following types of electric vehicle on board chargers (OBC), as shown below:<\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e2f847 uael-header-sticky-no uael-border-yes elementor-widget elementor-widget-uael-table\" data-id=\"0e2f847\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"uael-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div itemscope class=\"uael-table-wrapper\" itemtype=\"http:\/\/schema.org\/Table\">\n\t\t<table id=\"uael-table-id-0e2f847\" class=\"uael-text-break uael-column-rules uael-table\" data-sort-table=\"no\" data-show-entry=\"no\" data-searchable=\"no\" data-responsive=\"no\">\n\t\t\t\t<thead>\n\t\t\t\t\t\t\t\t\t\t<tr class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"0\" class=\"sort-this elementor-repeater-item-0a59e49 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Types<\/span>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"1\" class=\"sort-this elementor-repeater-item-a13201c uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Brief description<\/span>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"2\" class=\"sort-this elementor-repeater-item-6ddc078 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Products<\/span>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t<\/thead>\n\t\t\t\t<tbody>\n\t\t\t<!-- ROWS -->\n\t\t\t\t\t\t\t\t\t\t<tr data-entry=\"1\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-ac58cfc\" data-title=\"Types\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">One-way OBC<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-9b44002\" data-title=\"Brief description\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Only charges the power battery<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-00cc226\" data-title=\"Products\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">3.3kW, 6.6kw, 11kW,  22kW<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr><tr data-entry=\"2\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-179cada\" data-title=\"Types\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Bi-directional OBC<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-29dc25f\" data-title=\"Brief description\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Can not only charge the power battery, but also realize the inverter function<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-d9a181c\" data-title=\"Products\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">3.3kW, 6.6kW, 1kW<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr><tr data-entry=\"3\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-77fc29d\" data-title=\"Types\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Integrated OBC<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-c968bff\" data-title=\"Brief description\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">2-in-1 (0BC+DC-DC)\/3-in-1 (OBC+DCDC+PDU)<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-558b61d\" data-title=\"Products\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">6.5kW+2.5kW, 11kW+31kW<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t<\/tbody>\n\t<\/table>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18d6d69 elementor-widget elementor-widget-spacer\" data-id=\"18d6d69\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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 class=\"elementor-element elementor-element-f96a3de elementor-widget elementor-widget-text-editor\" data-id=\"f96a3de\" 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=\"padding-left: 2.2em;padding-right: 2.2em;line-height: 40px\"><p>In terms of the power, 3.3kW and 6.6kW products are currently the mainstream. In terms of output voltage, the electric vehicle on board charger products of some companies have been gradually equipped with 800V complete vehicles.<\/p><p>In addition, as the competition among manufacturers intensifies, China has introduced SiC power devices on electric vehicle on board chargers. For example, companies such as Weimax, Inpower, and Xinrui Technology have released electric vehicle on board product solutions based on silicon carbide.<\/p><h2 id=\"circuit-structure-of-electric-vehicle-on-board-charger\">Circuit structure of electric vehicle on board charger<\/h2><p>Electric vehicle on board chargers generally adopt a two-stage structure (as shown in the figure below). The primary stage PFC is mainly responsible for power factor correction, and generally outputs 400V DC. The subsequent DC\/DC circuit takes power from the PFC bus to realize the isolation and voltage regulation functions.<\/p><p>Since the load connected to the DC\/DC is a battery, which generally outputs 200-500V high-voltage direct current, the subsequent stage must adopt a high-efficiency and wide-range isolated DC\/DC topology.<\/p><figure id=\"attachment_111837\" aria-describedby=\"caption-attachment-111837\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-111837\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Two-stage-electric-vehicle-on-board-charger-topology.webp\" alt=\"Two-stage- -electric-vehicle-on-board-charger-topology\" width=\"1000\" height=\"500\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Two-stage-electric-vehicle-on-board-charger-topology.webp 1000w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Two-stage-electric-vehicle-on-board-charger-topology-300x150.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Two-stage-electric-vehicle-on-board-charger-topology-768x384.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Two-stage-electric-vehicle-on-board-charger-topology-600x300.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-111837\" class=\"wp-caption-text\">Two-stage electric vehicle on board charger topology<\/figcaption><\/figure><h3 id=\"primary-pfc-circuit\">Primary PFC circuit<\/h3><p>The more common topology in PFC circuits is the boost topology, which is divided into traditional bridge boost PFC, interleaved parallel boost PFC, bridgeless boost PFC, dual bridgeless boost PFC, totem pole boost PFC, etc.<\/p><p><strong>(1) Traditional bridge boost PFC:<\/strong><br \/>When Q1 is turned on, the positive half-cycle conduction path is D1, L1, Q1, D4, and the negative half-cycle conduction path is D2, L1, Q1, D3. When Q1 is turned off , the conduction path of the positive half cycle is D1, L1, D5, Rd, D4, and the conduction path of the negative half cycle is D2, L1, D5, Rd, D3.<\/p><p>In each state, the number of switching devices is three, which has the advantage that the circuit topology is easy to control, but there is only one Q1 switching device, and its voltage and current stress are very large, which is difficult to use in high-power scenarios.<\/p><figure id=\"attachment_111838\" aria-describedby=\"caption-attachment-111838\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-111838\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Traditional-bridge-boost-PFC.webp\" alt=\"Traditional-bridge-boost-PFC\" width=\"1000\" height=\"514\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Traditional-bridge-boost-PFC.webp 1000w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Traditional-bridge-boost-PFC-300x154.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Traditional-bridge-boost-PFC-768x395.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Traditional-bridge-boost-PFC-600x308.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-111838\" class=\"wp-caption-text\">Traditional bridge boost PFC<\/figcaption><\/figure><p><strong>(2) Interleaved parallel boost PFC:<\/strong><br \/>It is composed of two identical boost PFC converters connected in parallel. This topology circuit can reduce the inductance of the PFC. By controlling the currents of the two power inductors to interleave with 180\u00b0 anti-phase, the input and output current ripple can be reduced, and the size of the EMI filter can be reduced.<\/p><p>This topology is the same as the traditional bridge in other control and power directions, but the number of switching devices is increased.<\/p><figure id=\"attachment_111839\" aria-describedby=\"caption-attachment-111839\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-111839\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Interleaved-parallel-boost-PFC.webp\" alt=\"Interleaved-parallel-boost-PFC\" width=\"1000\" height=\"435\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Interleaved-parallel-boost-PFC.webp 1000w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Interleaved-parallel-boost-PFC-300x131.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Interleaved-parallel-boost-PFC-768x334.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Interleaved-parallel-boost-PFC-600x261.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-111839\" class=\"wp-caption-text\">Interleaved parallel boost PFC<\/figcaption><\/figure><p><strong>(3) Bridgeless boost PFC:<\/strong><br \/>The rectifier bridge of the bridged PFC is removed, reducing the number of switching devices. Working in the positive half cycle, when Q1 is off, the power path is L1, D1, Rd, Q2, L2. When Q1 is on, the power path is L1, Q1, Q2, L2. Working in the negative half cycle, when Q2 is off, the power path is L2, D2, Rd, Q1, L1. When Q2 is on, the power path is L2, Q2, Q1, L1.<\/p><p>Compared with the traditional bridge PFC, the switching devices on the conduction path are reduced, which is beneficial to improve the efficiency of the system. For switching devices with anti-parallel diodes, Q1 and Q2 can share a drive signal.<\/p><p>This topology is simple to control, but difficult to sample the current. Moreover, the terminals of the output DC voltage are floating, and the generated common-mode interference will be isolated, so there will be serious EMI problems in the circuit.<\/p><figure id=\"attachment_111840\" aria-describedby=\"caption-attachment-111840\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-111840\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Bridgeless-boost-PFC.webp\" alt=\"Bridgeless-boost-PFC\" width=\"1000\" height=\"594\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Bridgeless-boost-PFC.webp 1000w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Bridgeless-boost-PFC-300x178.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Bridgeless-boost-PFC-768x456.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Bridgeless-boost-PFC-600x356.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-111840\" class=\"wp-caption-text\">Bridgeless boost PFC<\/figcaption><\/figure><p><strong>(4) Dual bridgeless boost PFC:<\/strong><br \/>Compared with the bridgeless PFC circuit, the dual bridgeless PFC has improved the EMI. Working in the positive half cycle, when Q1 is turned off, the power path is L1, D1, Rd, D4. When Q1 is turned on, the power path is L1, Q1, D4. Work in the negative half cycle, when Q2 is off, the power path is L2, D2, Rd, D3. When Q2 is on, the power path is L2, Q2, D3.<\/p><p>Its control method is similar to the basic bridgeless PFC. The added diode greatly reduces the noise of the circuit, but the system cost increases.<\/p><figure id=\"attachment_111841\" aria-describedby=\"caption-attachment-111841\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-111841\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Dual-bridgeless-boost-PFC.webp\" alt=\"Dual-bridgeless-boost-PFC\" width=\"1000\" height=\"544\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Dual-bridgeless-boost-PFC.webp 1000w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Dual-bridgeless-boost-PFC-300x163.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Dual-bridgeless-boost-PFC-768x418.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Dual-bridgeless-boost-PFC-600x326.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-111841\" class=\"wp-caption-text\">Dual bridgeless boost PFC<\/figcaption><\/figure><p><strong>(5) Totem pole boost PFC:<\/strong><br \/>It can solve the EMI problem of bridgeless PFC. Working in the positive half cycle, when Q1 is off and Q2 is on, the power path is L, Q2, D2. When Q2 is off and Q1 is on, the power path is L, Q1, Rd, D2. Working in the negative half cycle, when Q1 is off and Q2 is on, the power path is D1, Rd, Q2, L. When Q1 is on and Q2 is off, the power link is D1, Q1, L.<\/p><p>The topology control is complicated, and the drive of the upper tube needs to be floating, which makes the design difficult and increases the cost, and there is a reverse recovery problem in Q1 and Q2, which is easy to increase the circuit loss.<\/p><figure id=\"attachment_111842\" aria-describedby=\"caption-attachment-111842\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-111842\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Totem-pole-boost-PFC.webp\" alt=\"Totem-pole-boost-PFC\" width=\"1000\" height=\"499\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Totem-pole-boost-PFC.webp 1000w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Totem-pole-boost-PFC-300x150.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Totem-pole-boost-PFC-768x383.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Totem-pole-boost-PFC-600x299.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-111842\" class=\"wp-caption-text\">Totem pole boost PFC<\/figcaption><\/figure><h3 id=\"secondary-circuit-dc-dc\">Secondary circuit DC\/DC<\/h3><p>The circuit topology types of DC\/DC converters mainly include buck, boost, buck-boost, phase-shifted full bridge, resonant converter and other circuit topologies, while isolated DC\/DC converters are more suitable for electric application requirements of vehicle on board charger. Common isolated DC\/DC converter topologies mainly include phase-shifted full bridge, dual active bridge circuit, LLC resonant circuit, etc.<\/p><p><strong>(1) Phase-shifted full bridge circuit:<\/strong><br \/>It can realize the wide-range voltage output with the lowest zero voltage. The driving signal of the super-forearm Q1 and Q3 has a phase difference of 180\u00b0, and the driving signal of the lagging arm Q2 and Q4 lags behind Q1 and Q3 by a certain phase, and the different phase angles between control drive signals can make the transformer leakage inductance and the switching tube junction capacitance resonate, achieving the soft switching of the switching tube.<\/p><p>The disadvantage is that due to the existence of transformer leakage inductance, the secondary side will lose the duty cycle, and the secondary side diode is prone to voltage spikes. In addition, the LC filter required for the output of this topology will increase the circuit size and increase the loss.<\/p><figure id=\"attachment_111844\" aria-describedby=\"caption-attachment-111844\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-111844\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Phase-shifted-full-bridge-circuit.webp\" alt=\"Phase-shifted-full-bridge-circuit\" width=\"1000\" height=\"402\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Phase-shifted-full-bridge-circuit.webp 1000w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Phase-shifted-full-bridge-circuit-300x121.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Phase-shifted-full-bridge-circuit-768x309.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Phase-shifted-full-bridge-circuit-600x241.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-111844\" class=\"wp-caption-text\">Phase-shifted full bridge circuit<\/figcaption><\/figure><p><strong>(2) Dual active bridge circuit:<\/strong><br \/>The direction and magnitude of energy flow is controlled by phase shifting of the primary and secondary sides, and zero-voltage turn-on can be achieved. It is often used in bidirectional DC\/DC converters in high-power applications. This topology circuit has high power density, high efficiency, and bidirectional power transmission, are widely used in electric vehicles, aerospace and other fields.<\/p><figure id=\"attachment_111843\" aria-describedby=\"caption-attachment-111843\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-111843\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Dual-active-bridge-circuit.webp\" alt=\"Dual-active-bridge-circuit\" width=\"1000\" height=\"463\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Dual-active-bridge-circuit.webp 1000w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Dual-active-bridge-circuit-300x139.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Dual-active-bridge-circuit-768x356.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/Dual-active-bridge-circuit-600x278.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-111843\" class=\"wp-caption-text\">Dual active bridge circuit<\/figcaption><\/figure><p><strong>(3) LLC resonant circuit:<\/strong><br \/>It can realize soft switching, and can realize a larger voltage regulation range in a narrow frequency range. It has good load shedding characteristics, and the leakage inductance of the transformer can be reused as the excitation inductance, so the space of the magnetic components is small, and the power density of the converter can be improved, and the efficiency is high and the EMI is small.<\/p><figure id=\"attachment_111845\" aria-describedby=\"caption-attachment-111845\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-111845\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/LLC-resonant-circuit.webp\" alt=\"LLC-resonant-circuit\" width=\"1000\" height=\"355\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/LLC-resonant-circuit.webp 1000w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/LLC-resonant-circuit-300x107.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/LLC-resonant-circuit-768x273.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/LLC-resonant-circuit-600x213.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-111845\" class=\"wp-caption-text\">LLC resonant circuit<\/figcaption><\/figure><\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1f25553b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1f25553b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3e409923\" data-id=\"3e409923\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c20f797 elementor-author-box--link-yes elementor-author-box--avatar-yes elementor-author-box--name-yes elementor-author-box--biography-yes elementor-widget elementor-widget-author-box\" data-id=\"4c20f797\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div  class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/07\/cropped-avatar-2-300x300.jpg\" alt=\"Image de Hailey\" loading=\"lazy\">\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<div class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tHailey\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-author-box__bio\">\n\t\t\t\t\t\tHi, I am Hailey, Since I graduated with my master's degree in physics, l have dedicated myself to lithium battery industry and worked with lithium battery engineers to complete various lithium battery design and manufacturing projects. Based on the electric knowledge as a lithium battery engineer for more than 4 years, I am now mainly responsible for writing content about lithium battery and I would like to share my views with you.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<a class=\"elementor-author-box__button elementor-button elementor-size-xs\" href=\"https:\/\/www.takomabattery.com\/fr\/author\/hailey\/\">\n\t\t\t\t\t\tAll Posts\t\t\t\t\t<\/a>\n\t\t\t\t\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 class=\"elementor-element elementor-element-f118317 elementor-widget elementor-widget-spacer\" data-id=\"f118317\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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 class=\"elementor-element elementor-element-572474ca elementor-widget elementor-widget-heading\" data-id=\"572474ca\" 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\">Related posts<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6adba940 elementor-widget elementor-widget-spacer\" data-id=\"6adba940\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/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 class=\"elementor-element elementor-element-520e938 elementor-grid-3 elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-widget elementor-widget-posts\" data-id=\"520e938\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;classic_columns&quot;:&quot;3&quot;,&quot;classic_columns_tablet&quot;:&quot;2&quot;,&quot;classic_columns_mobile&quot;:&quot;1&quot;,&quot;classic_row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:35,&quot;sizes&quot;:[]},&quot;classic_row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;classic_row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"posts.classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-posts-container elementor-posts elementor-posts--skin-classic elementor-grid\" role=\"list\">\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-111267 post type-post status-publish format-standard has-post-thumbnail hentry category-battery-industry category-best-list category-electric-car-battery tag-battery tag-battery-cell tag-new-energy-vehicle\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.takomabattery.com\/fr\/top-10-ev-wireless-charging-companies-in-china\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/top-10-ev-wireless-charging-companies-in-china-300x225.webp\" class=\"attachment-medium size-medium wp-image-111268\" alt=\"top-10-ev-wireless-charging-companies-in-china\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/top-10-ev-wireless-charging-companies-in-china-300x225.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/top-10-ev-wireless-charging-companies-in-china-768x576.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/top-10-ev-wireless-charging-companies-in-china-600x450.webp 600w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/08\/top-10-ev-wireless-charging-companies-in-china.webp 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/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:\/\/www.takomabattery.com\/fr\/top-10-ev-wireless-charging-companies-in-china\/\" >\n\t\t\t\tTop 10 ev wireless charging companies in China\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\tao\u00fbt 17, 2023\t\t<\/span>\n\t\t\t\t<\/div>\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-110085 post type-post status-publish format-standard has-post-thumbnail hentry category-battery-industry category-battery-storage category-electric-car-battery tag-battery tag-catl tag-power-battery\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.takomabattery.com\/fr\/ev-battery-size\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/07\/Unifying-EV-battery-size-a-key-to-the-future-of-electric-vehicles-300x225.webp\" class=\"attachment-medium size-medium wp-image-110118\" alt=\"Unifying EV battery size - a key to the future of electric vehicles\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/07\/Unifying-EV-battery-size-a-key-to-the-future-of-electric-vehicles-300x225.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/07\/Unifying-EV-battery-size-a-key-to-the-future-of-electric-vehicles-768x576.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/07\/Unifying-EV-battery-size-a-key-to-the-future-of-electric-vehicles-600x450.webp 600w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/07\/Unifying-EV-battery-size-a-key-to-the-future-of-electric-vehicles.webp 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/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:\/\/www.takomabattery.com\/fr\/ev-battery-size\/\" >\n\t\t\t\tUnifying EV battery size &#8211; a key to the future of electric vehicles\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\tjuillet 27, 2023\t\t<\/span>\n\t\t\t\t<\/div>\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-104817 post type-post status-publish format-standard has-post-thumbnail hentry category-battery-industry category-best-list category-lithium-ion-battery-knowledge tag-battery tag-battery-cell tag-power-battery\" role=\"listitem\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/www.takomabattery.com\/fr\/top-10-ev-battery-manufacturer-in-usa\/\" tabindex=\"-1\" >\n\t\t\t<div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/05\/Top-10-ev-battery-manufacturer-in-USA-300x225.webp\" class=\"attachment-medium size-medium wp-image-104832\" alt=\"Top 10 ev battery manufacturer in USA\" srcset=\"https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/05\/Top-10-ev-battery-manufacturer-in-USA-300x225.webp 300w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/05\/Top-10-ev-battery-manufacturer-in-USA-768x576.webp 768w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/05\/Top-10-ev-battery-manufacturer-in-USA-600x450.webp 600w, https:\/\/www.takomabattery.com\/wp-content\/uploads\/2023\/05\/Top-10-ev-battery-manufacturer-in-USA.webp 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/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:\/\/www.takomabattery.com\/fr\/top-10-ev-battery-manufacturer-in-usa\/\" >\n\t\t\t\tTop 10 ev battery manufacturers in USA\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\tmai 18, 2023\t\t<\/span>\n\t\t\t\t<\/div>\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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Cet article pr\u00e9sente une introduction g\u00e9n\u00e9rale aux chargeurs embarqu\u00e9s pour v\u00e9hicules \u00e9lectriques et compare en d\u00e9tail les diff\u00e9rentes structures de circuits.<\/p>","protected":false},"author":8,"featured_media":111833,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","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-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":""},"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":[189,211,151],"tags":[7,117,139],"class_list":["post-111832","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electric-car-battery","category-lithium-battery-technology","category-lithium-ion-battery-knowledge","tag-battery","tag-battery-cell","tag-new-energy-vehicle"],"modified_by":"Hailey","_links":{"self":[{"href":"https:\/\/www.takomabattery.com\/fr\/wp-json\/wp\/v2\/posts\/111832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.takomabattery.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.takomabattery.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.takomabattery.com\/fr\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.takomabattery.com\/fr\/wp-json\/wp\/v2\/comments?post=111832"}],"version-history":[{"count":0,"href":"https:\/\/www.takomabattery.com\/fr\/wp-json\/wp\/v2\/posts\/111832\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.takomabattery.com\/fr\/wp-json\/wp\/v2\/media\/111833"}],"wp:attachment":[{"href":"https:\/\/www.takomabattery.com\/fr\/wp-json\/wp\/v2\/media?parent=111832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.takomabattery.com\/fr\/wp-json\/wp\/v2\/categories?post=111832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.takomabattery.com\/fr\/wp-json\/wp\/v2\/tags?post=111832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}