Data/hora: 11/05/2024 12:48:39

Biblioteca(s): | Embrapa Instrumentação.
Data corrente: | 21/02/2006
Data da última atualização: | 21/02/2006
Autoria: | ASSIS, O. B. G.; CRNKOVIC, F. C.; MACHADO, R.; AVACA, L. A.; FERRANTE, M.; MACHADO, S. A. S.
Título: | Powder metallurgy processing of Ni-Co base electrodes for application in water electrolysis.
Ano de publicação: | 1999
Fonte/Imprenta: | Materials Sciences Forum, Aemannsdorf, v.299-300, p. 371-375, 1999.
Idioma: | Inglês
Conteúdo: | Electrodes of Co, Ni and Ni50Co50 were produced by powder metallurgy techniques aiming at their application as cathodes for water electrolysis system. Sintering was carried out in vacuum/argon atmosphere at low temperature to keep some residual porosity to enhance surface electroactiity by an increase of the gerometric area. The Ni-Co alloying was obained by mechanical synthesis, making use of the appropriated route. The final electrodes presented porosity around 12% where the electrochemical tests presented increasing in the critical peak when compared with electroplated flat samples.
Palavras-Chave: | Mechanical Alloying; Sintering; Water Electrolysis.
Thesaurus Nal: | electrochemistry.
Categoria do assunto: | --
Registro original: | Embrapa Instrumentação (CNPDIA)
Exemplares: | CNPDIA - (9427-1) - UPC - SP - -- - PROCI-99.00009 -  - 1999.00009 - DIS