{"id":80558,"date":"2024-01-14T13:09:47","date_gmt":"2024-01-14T13:09:47","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/vantagens-e-desvantagens-das-baterias-de-niquel-cadmio\/"},"modified":"2024-01-20T09:52:55","modified_gmt":"2024-01-20T09:52:55","slug":"vantagens-e-desvantagens-das-baterias-de-niquel-cadmio","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/pt-br\/vantagens-e-desvantagens-das-baterias-de-niquel-cadmio\/","title":{"rendered":"Vantagens e desvantagens das baterias de n\u00edquel-c\u00e1dmio |"},"content":{"rendered":"<h2>Vantagens e Desvantagens das Baterias de N\u00edquel-C\u00e1dmio<\/h2>\n<p>A bateria de n\u00edquel-c\u00e1dmio (bateria Ni-Cd) \u00e9 um tipo de bateria secund\u00e1ria que utiliza hidr\u00f3xido de \u00f3xido de n\u00edquel Ni(O)(OH) como c\u00e1todo e c\u00e1dmio met\u00e1lico como \u00e2nodo. A abrevia\u00e7\u00e3o Ni-Cd vem dos s\u00edmbolos qu\u00edmicos de n\u00edquel (Ni) e c\u00e1dmio (Cd). Esta bateria possui baixa imped\u00e2ncia interna, resultando em alta capacidade de energia, mas com menor capacidade de armazenamento de energia em compara\u00e7\u00e3o a outros sistemas de baterias.<\/p>\n<p>Com uma longa vida \u00fatil e capacidade de recarga r\u00e1pida, as baterias Ni-Cd podem sofrer de depress\u00e3o de tens\u00e3o ou efeito de mem\u00f3ria, o que significa que a tens\u00e3o de carga m\u00e1xima pode diminuir, assim como a capacidade energ\u00e9tica, se descarregadas continuamente de forma superficial. Contudo, o maior desafio est\u00e1 no conte\u00fado de c\u00e1dmio, um metal extremamente t\u00f3xico, tornando a bateria Ni-Cd uma op\u00e7\u00e3o menos vi\u00e1vel em sistemas modernos de baterias.<\/p>\n<p>Atualmente, as aplica\u00e7\u00f5es das baterias de n\u00edquel-c\u00e1dmio est\u00e3o em dispositivos port\u00e1teis de pequeno porte, como ferramentas el\u00e9tricas, brinquedos, ilumina\u00e7\u00e3o de emerg\u00eancia, instrumenta\u00e7\u00e3o m\u00e9dica ou produtos port\u00e1teis industriais. S\u00e3o usadas em produtos de pequeno porte devido ao seu custo ser mais acess\u00edvel para aplica\u00e7\u00f5es de baixa pot\u00eancia, mas s\u00e3o tr\u00eas a quatro vezes mais caras que as baterias de chumbo-\u00e1cido para a mesma capacidade.<\/p>\n<h2>Vantagens das Baterias Ni-Cd<\/h2>\n<ul>\n<li><strong>Recarreg\u00e1veis:<\/strong> As baterias recarreg\u00e1veis s\u00e3o mais ecol\u00f3gicas do que as baterias prim\u00e1rias, pois podem ser recarregadas ap\u00f3s a descarga, gerando menos res\u00edduos a longo prazo, especialmente em dispositivos de alto consumo energ\u00e9tico.<\/li>\n<li><strong>Alta Taxa de C:<\/strong> As c\u00e9lulas recarreg\u00e1veis t\u00eam melhores capacidades de sa\u00edda de energia em compara\u00e7\u00e3o com as c\u00e9lulas prim\u00e1rias, sendo usadas em aplica\u00e7\u00f5es de alta pot\u00eancia.<\/li>\n<li><strong>Benef\u00edcios Espec\u00edficos das Ni-Cd:<\/strong> Capacidade de fornecer alta corrente de sa\u00edda, toler\u00e2ncia a sobrecargas e suportar at\u00e9 500 ciclos de carregamento.<\/li>\n<\/ul>\n<h2>Desvantagens das Baterias Ni-Cd<\/h2>\n<ul>\n<li><strong>Pre\u00e7o:<\/strong> As baterias recarreg\u00e1veis t\u00eam custos iniciais mais altos do que suas contrapartes prim\u00e1rias, o que pode influenciar na decis\u00e3o de compra.<\/li>\n<li><strong>Auto-descarga:<\/strong> Em aplica\u00e7\u00f5es de baixa drenagem, a vida \u00fatil do servi\u00e7o \u00e9 mais importante, e as caracter\u00edsticas de auto-descarga de uma bateria recarreg\u00e1vel significam que elas s\u00e3o menos adequadas para uso como a principal fonte de energia.<\/li>\n<li><strong>Desvantagens Espec\u00edficas das Ni-Cd:<\/strong> O c\u00e1dmio n\u00e3o \u00e9 ambientalmente amig\u00e1vel e h\u00e1 um not\u00e1vel efeito de mem\u00f3ria de carga.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/10\/Advantages-and-Disadvantages-ni-cd-battery.png\" alt=\"\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/electric-battery\/advantages-and-disadvantages-of-nickel-cadmium-batteries\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Existem v\u00e1rias vantagens espec\u00edficas nas baterias Ni-Cd. Ele fornece sa\u00edda de alta corrente. \u00c9 relativamente tolerante a sobrecargas e pode suportar at\u00e9 500 ciclos de carga.<\/p>\n","protected":false},"author":1,"featured_media":4446,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-80558","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>Vantagens e desvantagens das baterias de n\u00edquel-c\u00e1dmio |<\/title>\n<meta name=\"description\" content=\"Existem v\u00e1rias vantagens espec\u00edficas nas baterias Ni-Cd. 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