{"id":80530,"date":"2024-01-14T13:08:30","date_gmt":"2024-01-14T13:08:30","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/celula-de-cloreto-de-tionila-de-litio-composicao-e-caracteristicas\/"},"modified":"2024-01-20T09:51:52","modified_gmt":"2024-01-20T09:51:52","slug":"celula-de-cloreto-de-tionila-de-litio-composicao-e-caracteristicas","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/pt-br\/celula-de-cloreto-de-tionila-de-litio-composicao-e-caracteristicas\/","title":{"rendered":"C\u00e9lula de cloreto de tionila de l\u00edtio | Composi\u00e7\u00e3o e Caracter\u00edsticas |"},"content":{"rendered":"<h2>Baterias de L\u00edtio-Metal: Uma Vis\u00e3o Geral<\/h2>\n<p>As baterias baseadas em l\u00edtio s\u00e3o uma parte essencial da tecnologia moderna, oferecendo solu\u00e7\u00f5es de energia para uma ampla gama de aplica\u00e7\u00f5es. Entre essas, as c\u00e9lulas prim\u00e1rias de l\u00edtio, tamb\u00e9m conhecidas como baterias de l\u00edtio-metal, desempenham um papel crucial. Estas baterias, caracterizadas por terem l\u00edtio met\u00e1lico como \u00e2nodo, s\u00e3o n\u00e3o recarreg\u00e1veis e se destacam pela baixa taxa de auto-descarga, proporcionando uma vida \u00fatil prolongada, de at\u00e9 10 anos, e efici\u00eancia em temperaturas de at\u00e9 70\u00b0C.<\/p>\n<h2>Tipos Comuns de C\u00e9lulas de L\u00edtio-Metal<\/h2>\n<p>Diversos tipos de c\u00e9lulas de l\u00edtio-metal s\u00e3o utilizados, cada um com suas caracter\u00edsticas e aplica\u00e7\u00f5es espec\u00edficas. Os mais comuns incluem:<\/p>\n<ul>\n<li><strong>C\u00e9lula de Di\u00f3xido de Mangan\u00eas-L\u00edtio:<\/strong> Utiliza folha de l\u00edtio como \u00e2nodo e di\u00f3xido de mangan\u00eas como c\u00e1todo. Com uma tens\u00e3o de c\u00e9lula de 3 volts, \u00e9 amplamente usada em c\u00e9lulas tipo bot\u00e3o, como a CR2032.<\/li>\n<li><strong>C\u00e9lula de Dissulfeto de Ferro-L\u00edtio:<\/strong> Estas baterias cil\u00edndricas usam l\u00edtio como \u00e2nodo e dissulfeto de ferro como c\u00e1todo, com uma tens\u00e3o de c\u00e9lula de 1.5 volts. S\u00e3o projetadas para substituir as baterias de zinco-carbono ou alcalinas, sendo conhecidas como c\u00e9lulas &#8220;compat\u00edveis com a tens\u00e3o&#8221;.<\/li>\n<li><strong>C\u00e9lula de Cloreto de Tionila-L\u00edtio:<\/strong> Com a maior densidade energ\u00e9tica entre todas as c\u00e9lulas de tipo l\u00edtio, estas t\u00eam uma vida \u00fatil de servi\u00e7o de 15 a 20 anos.<\/li>\n<li><strong>C\u00e9lula de Ar-L\u00edtio:<\/strong> Com uma densidade energ\u00e9tica te\u00f3rica muito alta, utiliza um \u00e2nodo de folha de l\u00edtio met\u00e1lico acoplado eletroquimicamente a uma fonte ilimitada de oxig\u00eanio atmosf\u00e9rico atrav\u00e9s de um catodo de ar.<\/li>\n<\/ul>\n<h2>Rea\u00e7\u00e3o Qu\u00edmica em C\u00e9lulas de L\u00edtio-Metal<\/h2>\n<p>Um exemplo de rea\u00e7\u00e3o qu\u00edmica em c\u00e9lulas de l\u00edtio-metal \u00e9 observado nas c\u00e9lulas de Li\/MnO<sub>2<\/sub>, descrita pela seguinte equa\u00e7\u00e3o:<\/p>\n<p>Li(s) + MnIV<sub>O<\/sub><sub>2<\/sub>(s) \u21cc MnIII<sub>O<\/sub><sub>2<\/sub>(Li<sup>+<\/sup>) [E\u00b0 = +3.19 V]<\/p>\n<h2>C\u00e9lula de Cloreto de Tionila-L\u00edtio<\/h2>\n<p>Esta c\u00e9lula se distingue por utilizar cloreto de tionila, um qu\u00edmico muito corrosivo e t\u00f3xico, n\u00e3o s\u00f3 como solvente do eletr\u00f3lito mas tamb\u00e9m como material do c\u00e1todo. A rea\u00e7\u00e3o de descarga \u00e9 representada por:<\/p>\n<p>4 Li + 2 SOCl<sub>2<\/sub> \u2192 4 LiCl + 1\u20448 S<sub>8<\/sub> + SO<sub>2<\/sub><\/p>\n<p>Estas baterias oferecem vantagens como alta densidade energ\u00e9tica e uma ampla faixa de temperatura operacional. Contudo, o alto custo, a impossibilidade de recarga e quest\u00f5es de seguran\u00e7a limitam sua aplica\u00e7\u00e3o. \u00c9 crucial a disposi\u00e7\u00e3o especial devido \u00e0 toxicidade dos componentes.<\/p>\n<h2>Distin\u00e7\u00e3o entre Baterias Prim\u00e1rias e Secund\u00e1rias de L\u00edtio<\/h2>\n<p>\u00c9 importante diferenciar as baterias prim\u00e1rias de l\u00edtio, como as mencionadas, das baterias secund\u00e1rias de l\u00edtio-\u00edon ou l\u00edtio-pol\u00edmero, que s\u00e3o recarreg\u00e1veis. As baterias de l\u00edtio-\u00edon n\u00e3o cont\u00eam l\u00edtio met\u00e1lico, diferenciando-se significativamente em termos de estrutura e aplica\u00e7\u00e3o.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/09\/Lithium-Thionyl-Chloride-Cell-composition.png\" alt=\"\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/electric-battery\/lithium-thionyl-chloride-cell\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cloreto de tionila de l\u00edtio ou Li-SoCl2 s\u00e3o baterias prim\u00e1rias do tipo \u00famido. Essas baterias n\u00e3o recarreg\u00e1veis t\u00eam alta densidade de energia, ampla faixa de temperatura operacional e longa vida \u00fatil operacional e de armazenamento.<\/p>\n","protected":false},"author":1,"featured_media":4157,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-80530","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>C\u00e9lula de cloreto de tionila de l\u00edtio | Composi\u00e7\u00e3o e Caracter\u00edsticas |<\/title>\n<meta name=\"description\" content=\"Cloreto de tionila de l\u00edtio ou Li-SoCl2 s\u00e3o baterias prim\u00e1rias do tipo \u00famido. 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