{"id":4214,"date":"2022-02-02T10:58:41","date_gmt":"2022-02-02T10:58:41","guid":{"rendered":"https:\/\/www.ahotech.com\/?p=4214"},"modified":"2022-02-05T12:51:43","modified_gmt":"2022-02-05T12:51:43","slug":"kas-liitiumraudfosfaatpatareid-on-ohutud","status":"publish","type":"post","link":"https:\/\/www.ahotech.com\/et\/2022\/02\/are-lithium-iron-phosphate-batteries-safe%ef%bc%9f\/","title":{"rendered":"kas liitiumraudfosfaatpatareid on ohutud?"},"content":{"rendered":"

Liitium-raudfosfaat aku<\/a> on liitiumioonaku, mille katoodmaterjalina kasutatakse liitiumraudfosfaati (LiFePO4) ja s\u00fcsinikku. \u00dcksiku elemendi nimipinge on 3,2 V ja laadimise piirpinge on 3,6 V ~ 3,65 V.<\/p>\n\n\n\n

\"Liitiumraudfosfaat<\/figure>\n\n\n\n

Laadimisprotsessi k\u00e4igus osa liitiumioonist aku sees lifepo4 akud<\/a> vabanevad, kanduvad elektrol\u00fc\u00fcdi abil negatiivsele elektroodile, olles kinnistunud negatiivsesse s\u00fcsinikmaterjali; Samal ajal vabanevad elektronid v\u00e4lise vooluringi positiivsest klemmist negatiivsesse klemmi, s\u00e4ilitades keemilise reaktsiooni tasakaalu. T\u00fchjendamise k\u00e4igus vabaneb liitiumioon oma poolusest ja j\u00f5uab elektrol\u00fc\u00fcdi kaudu positiivsele poolusele. Samal ajal vabastab negatiivne poolus elektrone ja j\u00f5uab v\u00e4lise vooluringi positiivsele poolusele, et varustada v\u00e4lismaailma energiaga.<\/p>\n\n\n\n

\"3,7<\/figure>\n\n\n\n

lifepo4 aku <\/a>Sellel on eelised k\u00f5rge t\u00f6\u00f6pinge, k\u00f5rge energiatihedus, pikk ts\u00fckli eluiga, hea ohutustase, madal iset\u00fchjenemise kiirus ja m\u00e4luefekti puudumine.<\/p>\n\n\n\n

Katoodimaterjali elektrokeemiline j\u00f5udlus liitium-raudfosfaat aku<\/a> on suhteliselt stabiilne, mis m\u00e4\u00e4rab stabiilse laadimis- ja t\u00fchjendusplatvormi. Seet\u00f5ttu ei muutu aku struktuur laadimise ja t\u00fchjenemise ajal, ei p\u00f5le ega plahvata ning on isegi eritingimustes, nagu l\u00fchis, \u00fclelaadimine, v\u00e4ljapressimine, n\u00f5elatorge, on see siiski v\u00e4ga ohutu.<\/p>","protected":false},"excerpt":{"rendered":"

Lithium iron phosphate battery is a lithium ion battery which uses lithium iron phosphate (LiFePO4) as the cathode material and carbon as the cathode material. The rated voltage of single cell is 3.2V and the cut-off voltage of charge is 3.6V~3.65V. In the charging process, part of the lithium ion in the lifepo4 batteries are […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4214","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"\nare lithium iron phosphate batteries safe\uff1f - 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