bateria de níquel – cádmio
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Bateria De Níquel – cádmio. Colégio Cruz das Almas Disciplina: Química Professor: Camilo Castro Componentes: Aloizio Rebouças Camila Dayube Ellen Pedreira - PowerPoint PPT PresentationTRANSCRIPT
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Bateria DeNíquel – cádmio
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Colégio Cruz das AlmasDisciplina: QuímicaProfessor: Camilo CastroComponentes: Aloizio Rebouças Camila Dayube Ellen Pedreira
Heitor Côrtes Júlia Braga Maria Luiza
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Objetivo
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O que é bateria ?
. Elétrodos
. Eletrólitos
. Recipiente
. Bateria primária
. Bateria secundária
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Como funcionam a bateria de níquel - cádmio ? . Ação eletroquímica. Ânodo . Cátodo
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Como ocorre o carregamento da pilha NiCd
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Pólo negativo (ânodo) Oxi.
1Cd(s) + 2 OH(aq) → 1Cd(OH)2(s) + 2 é (elétrons)
Pólo positivo (cátodo) Red.
2NiO(OH) (s) + 2 H2O(l) + 2 é → 2Ni(OH)2(s) + 2 OH-(aq)
Equação Global
1Cd(s) + 2 NiO(OH) (s) + 2H2O(l) → 1Cd(OH)2(s) + 2Ni(OH)2(s)
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Uso popular
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Tipos de baterias de NiCd
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NP-98680011400
Feita com uma tecnologia inovadora, esta bateria vai garantir a você grande performance a um preço acessível. Bateria de níquel-cádmio . Até 5 horas de gravação
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Bateria de computador portátil
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Bateria de lanterna (para mergulhadores)
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Bateria NiCd AA(geralmente usadas para rádios)
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Bateria utilizada geralmente para brinquedos
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Benefícios
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Malefícios
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