{"id":2176,"date":"2026-09-12T02:00:28","date_gmt":"2026-09-12T02:00:28","guid":{"rendered":"https:\/\/xupai.vn\/ac-quy-xe-dien-la-gi-cau-tao-va-nguyen-ly-hoat-dong\/"},"modified":"2026-09-24T10:19:52","modified_gmt":"2026-09-24T10:19:52","slug":"what-is-an-electric-vehicle-battery-structure-and-operating-principle","status":"publish","type":"post","link":"https:\/\/xupai.vn\/en\/what-is-an-electric-vehicle-battery-structure-and-operating-principle\/","title":{"rendered":"What Is an Electric Vehicle Battery? Structure and Operating Principle"},"content":{"rendered":"<p><b>Electric vehicle batteries<\/b><span style=\"font-weight: 400;\"> are components that store and supply electrical energy, helping vehicles operate stably while in use. Unlike lithium batteries, lead-acid batteries are still widely used in many electric motorcycle models thanks to their suitable current output, reasonable cost, and ease of replacement.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So, <\/span><b>how are electric vehicle batteries constructed and how do they work?<\/b><span style=\"font-weight: 400;\"> Let\u2019s explore the details with XUPAI in the article below.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/xupai.vn\/en\/what-is-an-electric-vehicle-battery-structure-and-operating-principle\/#1_What_Is_an_Electric_Vehicle_Battery\" >1. What Is an Electric Vehicle Battery?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/xupai.vn\/en\/what-is-an-electric-vehicle-battery-structure-and-operating-principle\/#2_Structure_of_an_Electric_Vehicle_Battery\" >2. Structure of an Electric Vehicle Battery<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/xupai.vn\/en\/what-is-an-electric-vehicle-battery-structure-and-operating-principle\/#3_Operating_Principle_of_an_Electric_Vehicle_Battery\" >3. Operating Principle of an Electric Vehicle Battery<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/xupai.vn\/en\/what-is-an-electric-vehicle-battery-structure-and-operating-principle\/#During_Charging\" >During Charging<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/xupai.vn\/en\/what-is-an-electric-vehicle-battery-structure-and-operating-principle\/#When_the_Vehicle_Is_Operating\" >When the Vehicle Is Operating<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/xupai.vn\/en\/what-is-an-electric-vehicle-battery-structure-and-operating-principle\/#4_How_to_Help_an_Electric_Vehicle_Battery_Last_Longer\" >4. How to Help an Electric Vehicle Battery Last Longer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/xupai.vn\/en\/what-is-an-electric-vehicle-battery-structure-and-operating-principle\/#5_XUPAI_Electric_Vehicle_Batteries\" >5. XUPAI Electric Vehicle Batteries<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_What_Is_an_Electric_Vehicle_Battery\"><\/span><b>1. What Is an Electric Vehicle Battery?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">An electric vehicle battery is a device capable of <\/span><b>storing electrical energy in chemical form and converting it back into electrical energy when the vehicle operates<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In an electric vehicle system, multiple batteries are often connected together to form a battery pack with a voltage suitable for the motor and the vehicle\u2019s electrical system.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Battery capacity and voltage directly affect vehicle performance, operating time, and the load the vehicle can support.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1174 size-full\" src=\"https:\/\/xupai.vn\/wp-content\/uploads\/2026\/09\/2-2-1-scaled.png\" alt=\"2 (2)\" width=\"2560\" height=\"1707\" title=\"\" srcset=\"https:\/\/xupai.vn\/wp-content\/uploads\/2026\/09\/2-2-1-scaled.png 2560w, https:\/\/xupai.vn\/wp-content\/uploads\/2026\/09\/2-2-1-300x200.png 300w, https:\/\/xupai.vn\/wp-content\/uploads\/2026\/09\/2-2-1-1024x683.png 1024w, https:\/\/xupai.vn\/wp-content\/uploads\/2026\/09\/2-2-1-768x512.png 768w, https:\/\/xupai.vn\/wp-content\/uploads\/2026\/09\/2-2-1-1536x1024.png 1536w, https:\/\/xupai.vn\/wp-content\/uploads\/2026\/09\/2-2-1-2048x1365.png 2048w, https:\/\/xupai.vn\/wp-content\/uploads\/2026\/09\/2-2-1-1000x667.png 1000w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_Structure_of_an_Electric_Vehicle_Battery\"><\/span><b>2. Structure of an Electric Vehicle Battery<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Electric vehicle batteries, especially sealed lead-acid batteries, generally consist of the following main components:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Battery casing:<\/b><span style=\"font-weight: 400;\"> Protects the internal components and contains the electrochemical materials.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Positive and negative plates:<\/b><span style=\"font-weight: 400;\"> Carry out the energy conversion process during charging and discharging.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Electrolyte:<\/b><span style=\"font-weight: 400;\"> Provides the medium in which electrochemical reactions take place.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Separator:<\/b><span style=\"font-weight: 400;\"> Keeps the plates separated and helps prevent internal short circuits.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Terminals:<\/b><span style=\"font-weight: 400;\"> Provide the connection between the battery and the vehicle\u2019s electrical system.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Safety valve:<\/b><span style=\"font-weight: 400;\"> Used in some sealed battery designs to help control internal pressure.<\/span> <\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Depending on the technology and design, the actual internal structure may vary between different battery models.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Operating_Principle_of_an_Electric_Vehicle_Battery\"><\/span><b>3. Operating Principle of an Electric Vehicle Battery<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The battery operates based on a <\/span><b>reversible electrochemical reaction<\/b><span style=\"font-weight: 400;\"> between the plates and the electrolyte.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"During_Charging\"><\/span><b>During Charging<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The charger supplies electrical current to the battery, changing the chemical state of the internal materials and <\/span><b>storing energy<\/b><span style=\"font-weight: 400;\"> for later use.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"When_the_Vehicle_Is_Operating\"><\/span><b>When the Vehicle Is Operating<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">When the user operates the vehicle, the battery supplies electrical current to the controller and motor. Chemical energy is converted into electrical energy, which is then supplied to the motor to generate movement.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">As the battery\u2019s stored energy decreases, the vehicle may show signs such as reduced power or shorter operating time. At this point, the battery should be recharged according to the recommended instructions.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_How_to_Help_an_Electric_Vehicle_Battery_Last_Longer\"><\/span><b>4. How to Help an Electric Vehicle Battery Last Longer<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Battery life depends not only on product quality but also on how the battery is used and maintained.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Some important principles to keep in mind include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use a <\/span><b>compatible charger<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Avoid allowing the battery to become completely discharged too frequently.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Charge the battery in a dry, well-ventilated area.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Regularly inspect the terminals and wiring.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Do not continue using the battery if it becomes swollen, cracked, leaking, or excessively hot.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Follow the manufacturer\u2019s technical instructions.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"5_XUPAI_Electric_Vehicle_Batteries\"><\/span><b>5. XUPAI Electric Vehicle Batteries<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">XUPAI develops a range of <\/span><b>batteries for electric vehicles<\/b><span style=\"font-weight: 400;\"> designed to meet usage requirements under various operating conditions. Choosing the correct battery capacity, voltage, and battery type for each vehicle model is an important factor in ensuring stable system performance.<\/span><\/p>\n<p><b>Understanding the structure and operating principle of a battery helps users use, charge, and maintain the product more effectively.<\/b><\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Electric vehicle batteries are components that store and supply electrical energy, helping vehicles operate stably while in use. Unlike lithium batteries, lead-acid batteries are still widely used in many electric motorcycle models thanks to their suitable current output, reasonable cost, and ease of replacement. So, how are electric vehicle batteries constructed and how do they [&#8230;]\n","protected":false},"author":1,"featured_media":2177,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[113],"tags":[],"class_list":["post-2176","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips-for-using-the-battery"],"acf":[],"_links":{"self":[{"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/posts\/2176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/comments?post=2176"}],"version-history":[{"count":2,"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/posts\/2176\/revisions"}],"predecessor-version":[{"id":2211,"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/posts\/2176\/revisions\/2211"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/media\/2177"}],"wp:attachment":[{"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/media?parent=2176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/categories?post=2176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xupai.vn\/en\/wp-json\/wp\/v2\/tags?post=2176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}