Inventaram uma lâmpada que funciona com água salgada

Quem vive em regiões que encaram faltas de luz com frequência sabe como é desagradável quando as baterias da lâmpada de emergência acabam justo quando você mais precisa delas. Mas, se depender dessa novidade, você só vai precisar de água salgada para manter a lâmpada acesa por mais de três dias.

A lâmpada Mizusion, da fabricante japonesa Hitachi Maxell, usa apenas uma mistura de água e sal como combustível. Além de ser útil em situações extremas, como a citada acima, a lâmpada ainda acaba sendo uma solução sustentável para a iluminação de ambientes.

Segundo a empresa, uma barra de energia de magnésio, substituível, funcionaria em conjunto com a água, o sal e o oxigênio do ar para criar eletrodos positivos e negativos. Esse processo acaba gerando a eletricidade e fazendo com que a lâmpada acenda. Ao todo, a Mizusion pode gerar energia sem precisar de nenhum tipo de recarga, embora a água salgada precise ser trocada a cada 30 horas. Depois de 80 horas de uso,  são as barras de energia que precisarão de substituição.

No Japão, o produto é vendido por 2.980 ienes (cerca de R$ 83) e as barras de energia substituíveis saem por 980 ienes (R$ 27) cada. Apesar disso, o produto também pode ser adquirido no site Japan Trend Shop por US$ 57 (R$ 180), mais o custo de entrega no Brasil, que é de US$ 19 (R$60).

93 Replies to “Inventaram uma lâmpada que funciona com água salgada

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