{"id":1709,"date":"2025-03-14T10:34:00","date_gmt":"2025-03-14T02:34:00","guid":{"rendered":"https:\/\/www.bosaenergy.cn\/?p=1709"},"modified":"2025-12-25T10:37:04","modified_gmt":"2025-12-25T02:37:04","slug":"hvorfor-opladning-af-litiumbatterier-forst-sker-med-konstant-strom-og-derefter-med-konstant-spaending","status":"publish","type":"post","link":"https:\/\/www.bosaenergy.cn\/da\/why-lithium-battery-charging-is-first-constant-current-and-then-constant-voltage-charging\/","title":{"rendered":"Hvorfor opladning af litiumbatterier f\u00f8rst sker med konstant str\u00f8m og derefter med konstant sp\u00e6nding"},"content":{"rendered":"<p class=\"wp-block-paragraph\" id=\"ember61\">Strategien med konstant str\u00f8m efterfulgt af konstant sp\u00e6nding i opladningsprocessen for litiumbatterier er designet ud fra batteriets fysiske egenskaber og sikkerhed. Denne opladningsmetode sikrer ikke kun batteriets sikkerhed, men maksimerer ogs\u00e5 dets kapacitet og forl\u00e6nger dets levetid.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1080\" height=\"553\" src=\"https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741769330617.png\" alt=\"\u6587\u7ae0\u5185\u5bb9\" class=\"wp-image-1711\" style=\"aspect-ratio:1.9530057979859627;width:530px;height:auto\" srcset=\"https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741769330617.png 1080w, https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741769330617-600x307.png 600w, https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741769330617-300x154.png 300w, https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741769330617-1024x524.png 1024w, https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741769330617-768x393.png 768w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ember63\">Konstant str\u00f8mopladningstrin<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember64\">I den indledende fase af opladning af litiumbatterier anvendes normalt konstant str\u00f8m (CC). I denne fase vil opladeren levere en relativt stabil str\u00f8m, som generelt indstilles i henhold til batteriets designparametre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember65\">For et batteri med en nominel kapacitet p\u00e5 100 Ah betyder en ladehastighed p\u00e5 0,5 C en ladestr\u00f8m p\u00e5 50 A.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember66\">Hovedform\u00e5let med konstantstr\u00f8msopladning er hurtigt at \u00f8ge batterisp\u00e6ndingen til en t\u00e6rskel t\u00e6t p\u00e5 fuld opladningstilstand. Denne fase er effektiv, fordi n\u00e5r batteriets str\u00f8m er lav, er den indre modstand lille og kan acceptere en st\u00f8rre ladestr\u00f8m uden at for\u00e5rsage overophedning eller skade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember67\">Derudover, da polarisationsf\u00e6nomenet er svagt p\u00e5 dette tidspunkt, vil opladning med en st\u00f8rre str\u00f8m ikke p\u00e5virke batteriets ydeevne v\u00e6sentligt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ember68\">Overgang fra konstant str\u00f8m til konstant sp\u00e6nding<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember69\">N\u00e5r batterisp\u00e6ndingen n\u00e5r den indstillede afbrydelsessp\u00e6nding, slutter opladningsfasen med konstant str\u00f8m, og systemet skifter automatisk til konstant sp\u00e6ndingstilstand (CV).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember70\">Fortsat opladning med en konstant h\u00f8j str\u00f8m kan medf\u00f8re, at batterisp\u00e6ndingen stiger hurtigt og overskrider sikkerhedsgr\u00e6nsen, hvorved batteriets struktur beskadiges og dets levetid forkortes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember71\">Under opladningsfasen med konstant sp\u00e6nding holder opladeren udgangssp\u00e6ndingen u\u00e6ndret, men ladestr\u00f8mmen falder naturligt, efterh\u00e5nden som batteriet gradvist fyldes. Dette skyldes, at efterh\u00e5nden som antallet af litiumioner indeni stiger, bliver det vanskeligere at indlejre yderligere i den negative elektrode, hvilket f\u00e5r batteriets indre modstand til at stige og derved reducere str\u00f8mmen, selv ved den samme eksterne sp\u00e6nding.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><img decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741770361036.png\" alt=\"\u6587\u7ae0\u5185\u5bb9\" class=\"wp-image-1710\" style=\"width:342px;height:auto\" srcset=\"https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741770361036.png 500w, https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741770361036-300x300.png 300w, https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741770361036-100x100.png 100w, https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741770361036-150x150.png 150w, https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741770361036-355x355.png 355w, https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741770361036-370x370.png 370w, https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741770361036-170x170.png 170w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ember73\">Konstant sp\u00e6ndingsopladningsfase<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember74\">Under opladningsfasen med konstant sp\u00e6nding er hovedm\u00e5let gradvist at reducere ladestr\u00f8mmen, indtil den n\u00e5r et forudbestemt lavt niveau, hvor batteriet betragtes som fuldt opladet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember75\">Trods den reducerede ladestr\u00f8m forbliver batteripolsp\u00e6ndingen konstant, hvilket g\u00f8r det muligt at oplade den resterende energi effektivt i batteriet, samtidig med at risikoen for overopladning undg\u00e5s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember76\">Det skal bem\u00e6rkes, at selvom konstantstr\u00f8msopladningsfasen hurtigt kan \u00f8ge batteriopladningen, kan den ikke fuldf\u00f8re hele opladningsprocessen alene. Ved afslutningen af konstantstr\u00f8msopladningen kan der v\u00e6re en vis polarisering inde i batteriet, og den faktiske batterisp\u00e6nding kan v\u00e6re lavere end den m\u00e5lte sp\u00e6nding. Uden efterf\u00f8lgende konstantsp\u00e6ndingsopladning n\u00e5r batteriet muligvis ikke sin maksimale kapacitet, og batteriets langsigtede tilstand kan forringes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ember77\">Polarisering og sikkerhedshensyn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember78\">N\u00e5r man v\u00e6lger en opladningsmetode med konstant str\u00f8m efterfulgt af en konstant sp\u00e6nding, b\u00f8r man ogs\u00e5 tage hensyn til polarisationseffekten inde i batteriet. Polarisering refererer til den situation, hvor batteriets faktiske sp\u00e6nding er h\u00f8jere end ligev\u00e6gtssp\u00e6ndingen under ideelle forhold p\u00e5 grund af begr\u00e6nsningen af den elektrokemiske reaktionshastighed under opladningsprocessen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember79\">Polarisationsgraden stiger med stigende ladestr\u00f8m, hvilket kan for\u00e5rsage, at batterisp\u00e6ndingen stiger unormalt eller endda udl\u00f8se beskyttelsesmekanismen til at afslutte opladningen for tidligt. Indf\u00f8relsen af et konstant sp\u00e6ndingstrin hj\u00e6lper med at g\u00f8re ionkoncentrationsfordelingen inde i batteriet mere ensartet, reducere polarisationseffekten og sikre, at batteriet kan oplades fuldt ud uden overophedning eller beskadigelse.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ember80\">Bosa Energi<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember81\">Bosa Energy med en kapacitet p\u00e5 150 GWh og over 400.000 applikationer inden for elektriske busser\/brugsk\u00f8ret\u00f8jer, er vi blandt de f\u00f8rste 5 i den kinesiske batteriindustri. Vi samarbejder med Yutong\/Geely\/Damiler osv.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember82\">Vi tilbyder ogs\u00e5 container-ESS-systemer og leverede 6 GWh i 2024 (= 75.000 Model 3 med 80 kWh batteri). P\u00e5 det lokale marked tilbyder vi OEM-service til Changan, CALB, National grid, Ping Gao Electric, Xuji electronics og Ruineng electronics, som er vores prim\u00e6re leverand\u00f8rer af container-ESS p\u00e5 det kinesiske marked.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember83\">Vi er den mest professionelle leverand\u00f8r af marine lithiumbatterier i Kina, og vores eksportvolumen af marinebatterier rangerer konsekvent blandt de tre st\u00f8rste i Kina. Vi er ogs\u00e5 den f\u00f8rende eksport\u00f8r af lithiumbatterimoduler i Kina og specialiserer os i at levere forskellige lithiumbatterimodull\u00f8sninger.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember84\">Vores produkter er popul\u00e6re i mere end 30 lande verden over for fremragende kvalitet og ydeevne. Vi har ogs\u00e5 etableret lager i Tyskland og Holland for at sikre rettidig levering til vores kunder.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember85\">l Tilpasset og fleksibel<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember86\">l H\u00f8j leveringskapacitet<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember87\">l Brede anvendelser<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ember88\">l Rig erfaring med litiumbatteripakker<\/p>","protected":false},"excerpt":{"rendered":"<p>The constant current followed by constant voltage strategy in the lithium battery charging process is designed based on the physical characteristics and safety of the battery. This charging method not only ensures the safety of the battery, but also maximizes its capacity and prolongs its service life. Constant Current Charging Stage In the initial stage [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1710,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why lithium battery charging is first constant current and then constant voltage charging - BOSA lithium battery<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bosaenergy.cn\/da\/hvorfor-opladning-af-litiumbatterier-forst-sker-med-konstant-strom-og-derefter-med-konstant-spaending\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why lithium battery charging is first constant current and then constant voltage charging - BOSA lithium battery\" \/>\n<meta property=\"og:description\" content=\"The constant current followed by constant voltage strategy in the lithium battery charging process is designed based on the physical characteristics and safety of the battery. 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Constant Current Charging Stage In the initial stage [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bosaenergy.cn\/da\/hvorfor-opladning-af-litiumbatterier-forst-sker-med-konstant-strom-og-derefter-med-konstant-spaending\/\" \/>\n<meta property=\"og:site_name\" content=\"BOSA lithium battery\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=100066454002295\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-14T02:34:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-25T02:37:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1741770361036.png\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"rdgeoadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@BellaBosa\" \/>\n<meta name=\"twitter:site\" content=\"@BellaBosa\" \/>\n<meta name=\"twitter:label1\" content=\"Skrevet af\" \/>\n\t<meta name=\"twitter:data1\" content=\"rdgeoadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimeret l\u00e6setid\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/da\\\/why-lithium-battery-charging-is-first-constant-current-and-then-constant-voltage-charging\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/da\\\/why-lithium-battery-charging-is-first-constant-current-and-then-constant-voltage-charging\\\/\"},\"author\":{\"name\":\"rdgeoadmin\",\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/da\\\/#\\\/schema\\\/person\\\/3f2f0ce6bef11625bf6a252e6f5798de\"},\"headline\":\"Why lithium battery charging is first constant current and then constant voltage charging\",\"datePublished\":\"2025-03-14T02:34:00+00:00\",\"dateModified\":\"2025-12-25T02:37:04+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/da\\\/why-lithium-battery-charging-is-first-constant-current-and-then-constant-voltage-charging\\\/\"},\"wordCount\":781,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/da\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/da\\\/why-lithium-battery-charging-is-first-constant-current-and-then-constant-voltage-charging\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bosaenergy.cn\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/1741770361036.png\",\"articleSection\":[\"News\"],\"inLanguage\":\"da-DK\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.bosaenergy.cn\\\/da\\\/why-lithium-battery-charging-is-first-constant-current-and-then-constant-voltage-charging\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/da\\\/why-lithium-battery-charging-is-first-constant-current-and-then-constant-voltage-charging\\\/\",\"url\":\"https:\\\/\\\/www.bosaenergy.cn\\\/da\\\/why-lithium-battery-charging-is-first-constant-current-and-then-constant-voltage-charging\\\/\",\"name\":\"Why lithium battery charging is first constant current and then constant voltage charging - 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BOSA litiumbatteri","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.bosaenergy.cn\/da\/hvorfor-opladning-af-litiumbatterier-forst-sker-med-konstant-strom-og-derefter-med-konstant-spaending\/","og_locale":"da_DK","og_type":"article","og_title":"Why lithium battery charging is first constant current and then constant voltage charging - BOSA lithium battery","og_description":"The constant current followed by constant voltage strategy in the lithium battery charging process is designed based on the physical characteristics and safety of the battery. 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