{"id":80507,"date":"2024-01-14T13:07:42","date_gmt":"2024-01-14T13:07:42","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/bateria-de-zinco-carbono-celula-leclanche\/"},"modified":"2024-01-20T09:50:36","modified_gmt":"2024-01-20T09:50:36","slug":"bateria-de-zinco-carbono-celula-leclanche","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/pt-br\/bateria-de-zinco-carbono-celula-leclanche\/","title":{"rendered":"Bateria de zinco-carbono | C\u00e9lula Leclanch\u00e9"},"content":{"rendered":"<h2>Bateria de Zinco-Carbono: Uma Vis\u00e3o Geral<\/h2>\n<h2>Introdu\u00e7\u00e3o<\/h2>\n<p>A bateria de zinco-carbono, tamb\u00e9m conhecida como c\u00e9lula Leclanch\u00e9, \u00e9 uma c\u00e9lula seca de uso geral tradicional. Estas foram as primeiras baterias secas comerciais, evoluindo da tecnologia da c\u00e9lula \u00famida Leclanch\u00e9. Oferecendo corrente el\u00e9trica direta atrav\u00e9s da rea\u00e7\u00e3o eletroqu\u00edmica entre zinco e di\u00f3xido de mangan\u00eas (MnO<sub>2<\/sub>), a bateria tem uma composi\u00e7\u00e3o \u00fanica e uma hist\u00f3ria rica em inova\u00e7\u00f5es.<\/p>\n<h2>Composi\u00e7\u00e3o e Funcionamento<\/h2>\n<p>A c\u00e9lula de zinco-carbono consiste em um \u00e2nodo de zinco, geralmente formando o recipiente cil\u00edndrico da c\u00e9lula, e um c\u00e1todo de uma mistura de p\u00f3 de carbono (tipicamente grafite) e \u00f3xido de mangan\u00eas (IV) (MnO<sub>2<\/sub>), envolvendo uma haste de carbono. O eletr\u00f3lito \u00e9 uma solu\u00e7\u00e3o aquosa saturada de cloreto de am\u00f4nio com cerca de 20% de cloreto de zinco. Esta configura\u00e7\u00e3o produz uma tens\u00e3o de aproximadamente 1,5 volts.<\/p>\n<h2>Desvantagens e Substitui\u00e7\u00e3o por Baterias Alcalinas<\/h2>\n<p>Apesar de sua ampla utiliza\u00e7\u00e3o hist\u00f3rica, as baterias de zinco-carbono t\u00eam v\u00e1rias desvantagens. Elas n\u00e3o s\u00e3o adequadas para descargas cont\u00ednuas de alta taxa, possuem capacidade inferior \u00e0s c\u00e9lulas alcalinas modernas e s\u00e3o propensas a vazamentos. Nos Estados Unidos, as baterias alcalinas de zinco-di\u00f3xido de mangan\u00eas (Zn-MnO<sub>2<\/sub>) substitu\u00edram quase completamente as c\u00e9lulas Leclanch\u00e9.<\/p>\n<h2>Vantagens e Desvantagens das Baterias Prim\u00e1rias<\/h2>\n<p>As baterias prim\u00e1rias, como as de zinco-carbono, t\u00eam maior densidade de energia em compara\u00e7\u00e3o com as baterias secund\u00e1rias recarreg\u00e1veis. Elas s\u00e3o ideais para aplica\u00e7\u00f5es de baixa drenagem e se destacam pela alta energia espec\u00edfica, longos tempos de armazenamento e prontid\u00e3o imediata. Contudo, a desvantagem principal \u00e9 a n\u00e3o recarregabilidade, al\u00e9m da baixa taxa de C (capacidade de corrente) e impacto ambiental comparativamente maior.<\/p>\n<h2>Outros Tipos de Baterias<\/h2>\n<p>Existem v\u00e1rios outros tipos de baterias, classificados por tamanho, qu\u00edmica e aplica\u00e7\u00e3o. Incluem baterias alcalinas, de metal-l\u00edtio, zinco-cloro, \u00f3xido de prata, zinco-ar, \u00edon de l\u00edtio, pol\u00edmero de l\u00edtio, \u00f3xido de cobalto de l\u00edtio, \u00f3xido de mangan\u00eas de l\u00edtio, LiFePo4, NMC, NCA, NiMH, NiCd, chumbo-\u00e1cido, AGM, baterias de gel, entre outras. Estas baterias s\u00e3o utilizadas em uma variedade de aplica\u00e7\u00f5es, desde UPS, carros el\u00e9tricos, motocicletas, barcos, laptops, telefones celulares at\u00e9 armazenamento de energia eletroqu\u00edmica.<\/p>\n<h2>Conclus\u00e3o<\/h2>\n<p>Embora a bateria de zinco-carbono tenha sido um marco na hist\u00f3ria das baterias secas, seu uso tem diminu\u00eddo devido \u00e0s inova\u00e7\u00f5es e avan\u00e7os tecnol\u00f3gicos. As baterias modernas oferecem maior capacidade, seguran\u00e7a e efici\u00eancia, atendendo \u00e0s necessidades energ\u00e9ticas em constante evolu\u00e7\u00e3o do nosso mundo.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/08\/Zinc-carbon-battery-description.png\" alt=\"\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/electric-battery\/zinc-carbon-battery\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A bateria de zinco-carbono, tamb\u00e9m chamada de c\u00e9lula Leclanch\u00e9, \u00e9 uma c\u00e9lula seca tradicional de uso geral. As baterias de zinco-carbono foram as primeiras baterias secas comerciais desenvolvidas a partir da tecnologia da c\u00e9lula \u00famida de Leclanch\u00e9.<\/p>\n","protected":false},"author":1,"featured_media":3198,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-80507","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 de zinco-carbono | C\u00e9lula Leclanch\u00e9<\/title>\n<meta name=\"description\" content=\"A bateria de zinco-carbono, tamb\u00e9m chamada de c\u00e9lula Leclanch\u00e9, \u00e9 uma c\u00e9lula seca tradicional de uso geral. As baterias de zinco-carbono foram as primeiras baterias secas comerciais desenvolvidas a partir da tecnologia da c\u00e9lula \u00famida de Leclanch\u00e9.\" \/>\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.electricity-magnetism.org\/pt-br\/bateria-de-zinco-carbono-celula-leclanche\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bateria de zinco-carbono | C\u00e9lula Leclanch\u00e9\" \/>\n<meta property=\"og:description\" content=\"A bateria de zinco-carbono, tamb\u00e9m chamada de c\u00e9lula Leclanch\u00e9, \u00e9 uma c\u00e9lula seca tradicional de uso geral. 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