{"id":80580,"date":"2024-01-14T13:10:43","date_gmt":"2024-01-14T13:10:43","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/bateria-nca-composicao-catodo-e-aplicacoes\/"},"modified":"2024-01-20T09:54:11","modified_gmt":"2024-01-20T09:54:11","slug":"bateria-nca-composicao-catodo-e-aplicacoes","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/pt-br\/bateria-nca-composicao-catodo-e-aplicacoes\/","title":{"rendered":"Bateria NCA | Composi\u00e7\u00e3o, c\u00e1todo e aplica\u00e7\u00f5es"},"content":{"rendered":"<h2>O Que S\u00e3o Baterias de \u00cdon de L\u00edtio?<\/h2>\n<p>As baterias de \u00edon de l\u00edtio, ou baterias Li-ion, s\u00e3o baterias secund\u00e1rias (recarreg\u00e1veis) compostas por c\u00e9lulas nas quais \u00edons de l\u00edtio se movem do \u00e2nodo atrav\u00e9s de um eletr\u00f3lito para o c\u00e1todo durante a descarga e retornam quando carregadas. Elas s\u00e3o conhecidas por sua alta tens\u00e3o de c\u00e9lula, alta densidade de energia e aus\u00eancia de efeito mem\u00f3ria.<\/p>\n<h2>Bateria NCA: Uma Inova\u00e7\u00e3o em Baterias de \u00cdon de L\u00edtio<\/h2>\n<p>A bateria NCA, ou bateria de \u00f3xido de l\u00edtio, n\u00edquel, cobalto e alum\u00ednio, \u00e9 um tipo de bateria de \u00edon de l\u00edtio com c\u00e1todo composto de \u00f3xido de l\u00edtio, n\u00edquel, cobalto e alum\u00ednio. Estas baterias oferecem alta energia espec\u00edfica, longa vida \u00fatil e boa pot\u00eancia espec\u00edfica. A capacidade de armazenamento de carga \u00fatil da NCA est\u00e1 entre 180 a 200 mAh\/g, superior a outros materiais como LiCoO2 (148 mAh\/g) e LiFePO4 (165 mAh\/g).<\/p>\n<h2>Componentes de uma Bateria de \u00cdon de L\u00edtio<\/h2>\n<p>Uma bateria de \u00edon de l\u00edtio \u00e9 composta por um c\u00e1todo de material comp\u00f3sito (um composto intercalado de l\u00edtio), um \u00e2nodo geralmente feito de grafite litiatado poroso e um eletr\u00f3lito que pode ser l\u00edquido, pol\u00edmero ou s\u00f3lido. O separador \u00e9 poroso, facilitando o transporte de \u00edons de l\u00edtio e prevenindo curto-circuito e fuga t\u00e9rmica.<\/p>\n<h2>Tipos de Baterias de \u00cdon de L\u00edtio<\/h2>\n<p>Existem v\u00e1rios tipos de baterias de \u00edon de l\u00edtio, classificadas de acordo com o material do c\u00e1todo. Alguns dos tipos mais comuns s\u00e3o:<\/p>\n<ul>\n<li><strong>L\u00edtio Cobalto \u00d3xido (LiCoO2)<\/strong>: Comum em celulares, tablets, laptops e c\u00e2meras.<\/li>\n<li><strong>L\u00edtio Mangan\u00eas \u00d3xido (LiMn2O4)<\/strong>: Encontrado em ferramentas el\u00e9tricas, dispositivos m\u00e9dicos e sistemas de propuls\u00e3o.<\/li>\n<li><strong>L\u00edtio N\u00edquel Mangan\u00eas Cobalto \u00d3xido (LiNiMnCoO2) &#8211; NMC<\/strong>: Usado em ferramentas el\u00e9tricas, bicicletas el\u00e9tricas e outros trens de for\u00e7a el\u00e9tricos.<\/li>\n<li><strong>Fosfato de Ferro-L\u00edtio (LiFePO4) &#8211; LFP<\/strong>: Indicado para aplica\u00e7\u00f5es em ve\u00edculos el\u00e9tricos devido ao seu baixo custo, seguran\u00e7a e alta durabilidade.<\/li>\n<\/ul>\n<h2>Vantagens e Desvantagens das Baterias NCA<\/h2>\n<p>As baterias NCA destacam-se por sua excelente capacidade de carga r\u00e1pida. Contudo, elas t\u00eam desvantagens como recursos limitados de cobalto e n\u00edquel e alto custo. A tens\u00e3o destas baterias varia entre 3.6 V e 4.0 V, com uma tens\u00e3o nominal de 3.6 V ou 3.7 V.<\/p>\n<h2>Outros Tipos de Baterias<\/h2>\n<p>Al\u00e9m das baterias de \u00edon de l\u00edtio, existem diversos outros tipos de baterias, classificados por tamanho, formato, qu\u00edmica e aplica\u00e7\u00e3o. Incluem baterias prim\u00e1rias (n\u00e3o recarreg\u00e1veis) e secund\u00e1rias (recarreg\u00e1veis), abrangendo uma ampla gama de tens\u00f5es, como 1.2V, 3V, 6V, 9V, 12V e 24V.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/10\/NCA-battery-composition-1.png\" alt=\"\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/electric-battery\/nca-battery\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As baterias NCA s\u00e3o baterias de \u00edon-l\u00edtio com um c\u00e1todo feito de \u00f3xido de alum\u00ednio-l\u00edtio-n\u00edquel-cobalto. Eles oferecem alta energia espec\u00edfica, longa vida \u00fatil e pot\u00eancia espec\u00edfica razoavelmente boa.<\/p>\n","protected":false},"author":1,"featured_media":4749,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-80580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nao-categorizado","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bateria NCA | Composi\u00e7\u00e3o, c\u00e1todo e aplica\u00e7\u00f5es<\/title>\n<meta name=\"description\" content=\"As baterias NCA s\u00e3o baterias de \u00edon-l\u00edtio com um c\u00e1todo feito de \u00f3xido de alum\u00ednio-l\u00edtio-n\u00edquel-cobalto. 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