{"id":80516,"date":"2024-01-14T13:07:55","date_gmt":"2024-01-14T13:07:55","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/bateria-alcalina-recarregavel\/"},"modified":"2024-01-20T09:51:10","modified_gmt":"2024-01-20T09:51:10","slug":"bateria-alcalina-recarregavel","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/pt-br\/bateria-alcalina-recarregavel\/","title":{"rendered":"Bateria Alcalina Recarreg\u00e1vel"},"content":{"rendered":"

Baterias Alcalinas Recarreg\u00e1veis: Uma Vis\u00e3o Geral<\/h2>\n

As baterias alcalinas representam uma solu\u00e7\u00e3o energ\u00e9tica fundamental em muitos dispositivos port\u00e1teis, desde ferramentas el\u00e9tricas a brinquedos. Estas baterias, identificadas pelo c\u00f3digo IEC L, operam com base na rea\u00e7\u00e3o eletroqu\u00edmica entre zinco e di\u00f3xido de mangan\u00eas (MnO2<\/sub>) em um eletr\u00f3lito alcalino. A especificidade das baterias alcalinas vem de seu eletr\u00f3lito alcalino de hidr\u00f3xido de pot\u00e1ssio (KOH), diferenciando-as das baterias de zinco-carbono que usam eletr\u00f3litos \u00e1cidos como cloreto de am\u00f4nio (NH4<\/sub>Cl) ou cloreto de zinco (ZnCl2<\/sub>).<\/p>\n

Funcionamento e Aplica\u00e7\u00f5es<\/h2>\n

As baterias alcalinas s\u00e3o amplamente utilizadas em dispositivos que requerem baixas correntes de descarga, s\u00e3o usadas de forma intermitente ou em locais distantes de fontes de energia alternativas. Comuns em circuitos de alarme e comunica\u00e7\u00e3o, elas s\u00e3o especialmente valiosas onde a energia el\u00e9trica \u00e9 disponibilizada de forma intermitente. O formato AA \u00e9 o mais popular entre as baterias alcalinas.<\/p>\n

Baterias Alcalinas Recarreg\u00e1veis<\/h2>\n

Al\u00e9m das baterias alcalinas prim\u00e1rias, existem as baterias alcalinas recarreg\u00e1veis, tamb\u00e9m conhecidas como alcalinas recarreg\u00e1veis de mangan\u00eas (RAM). Estas baterias s\u00e3o capazes de serem recarregadas para uso repetido, com uma capacidade aproximada de 2\/3 em compara\u00e7\u00e3o com as c\u00e9lulas prim\u00e1rias. S\u00e3o constru\u00eddas em formato seco, totalmente seladas e n\u00e3o requerem manuten\u00e7\u00e3o. Contudo, possuem uma vida \u00fatil de ciclo limitada, sendo afetadas por descargas profundas; o primeiro ciclo oferece a maior capacidade, mas ap\u00f3s descargas profundas, a c\u00e9lula pode fornecer apenas cerca de 20 ciclos.<\/p>\n

Limita\u00e7\u00f5es e Considera\u00e7\u00f5es<\/h2>\n

Assim como as c\u00e9lulas alcalinas prim\u00e1rias, as recarreg\u00e1veis possuem uma resist\u00eancia interna relativamente alta, tornando-as inadequadas para correntes de descarga elevadas. A energia dispon\u00edvel em cada ciclo tende a diminuir. Por esse motivo, n\u00e3o s\u00e3o recomendadas para dispositivos que exigem uma grande quantidade de energia em um curto per\u00edodo.<\/p>\n

Em resumo, enquanto as baterias alcalinas se destacam em aplica\u00e7\u00f5es de baixa descarga e uso intermitente, as suas contrapartes recarreg\u00e1veis oferecem a conveni\u00eancia da reutiliza\u00e7\u00e3o, embora com limita\u00e7\u00f5es quanto \u00e0 capacidade e vida \u00fatil do ciclo. Esta dualidade faz delas uma escolha vers\u00e1til e indispens\u00e1vel em muitas circunst\u00e2ncias do cotidiano.<\/p>\n

\"\"<\/p>\n

\n Original Article<\/a>\n<\/div>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Uma bateria alcalina recarreg\u00e1vel, tamb\u00e9m conhecida como alcalina recarreg\u00e1vel ou mangan\u00eas alcalina recarreg\u00e1vel (RAM), \u00e9 um tipo de bateria alcalina capaz de recarregar para uso repetido.<\/p>\n","protected":false},"author":1,"featured_media":3960,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-80516","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":"\nBateria Alcalina Recarreg\u00e1vel<\/title>\n<meta name=\"description\" content=\"Uma bateria alcalina recarreg\u00e1vel, tamb\u00e9m conhecida como alcalina recarreg\u00e1vel ou mangan\u00eas alcalina recarreg\u00e1vel (RAM), \u00e9 um tipo de bateria alcalina capaz de recarregar para uso repetido.\" \/>\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-alcalina-recarregavel\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bateria Alcalina Recarreg\u00e1vel\" \/>\n<meta property=\"og:description\" content=\"Uma bateria alcalina recarreg\u00e1vel, tamb\u00e9m conhecida como alcalina recarreg\u00e1vel ou mangan\u00eas alcalina recarreg\u00e1vel (RAM), \u00e9 um tipo de bateria alcalina capaz de recarregar para uso repetido.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.electricity-magnetism.org\/pt-br\/bateria-alcalina-recarregavel\/\" \/>\n<meta property=\"og:site_name\" content=\"Electricity - 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