Desenvolvimento e avaliação de conjuntos eletrodo-membrana-eletrodo para células a combustível de alta eficiência.
Conteúdo do artigo principal
Resumo
As células a combustível permitem a conversão eletroquímica da energia contida em certos compostos como o hidrogênio ou álcoois ricos em hidrogênio em energia elétrica de forma eficiente e não poluente. O núcleo da célula a combustível é constituído por cinco capas, que estão estreitamente interligadas; estas são a membrana condutora de prótons, as camadas difusoras de gás e as camadas catalíticas, tanto anódicas quanto catódicas. Neste trabalho são desenvolvidas e avaliadas as partes constituintes da montagem, colocando-as à prova em uma célula de combustível unitária para avaliar sua eficiência no laboratório.
Detalhes do artigo
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