Effect of hydrogen decriptation pressure on particle size of rare earth based alloys for Ni-MH battery production
Carregando...
Data
Data de publicação
2016
Orientador
Título da Revista
ISSN da Revista
Título do Volume
É parte de
É parte de
É parte de
É parte de
CONGRESSO BRASILEIRO DE ENGENHARIA E CIENCIA DOS MATERIAIS, 22.
Exportar
Resumo
The effect of hydrogen for decriptation of the rare earth alloys have been investigated. This paper reports the results of the hydrogenation and decrepitation of as-cast LaNi-based hydrogen storage alloys. The decrepitation for produced the negative electrode of Ni-MH battery has been applied using a combination of hydrogen pressure at room temperature. In a manufactory, the first step of preparation of this negative electrode is the milling decrepitation of huge quantity of lingot alloy. Using The hydrogen at room temperature may be choice for low-cost production of alloy powder for negative electrode for Ni-MH batteries. The effect of hydrogen pressure has been analysed raging from 2 bar to 10 bar of hydrogen pressure. Two alloys was used in this work, La0.7Pr0.3Al0.3Mn0.4Co0.5Ni3.8 and La0.7Pr0.3Al0.3Mn0.4Co0.5Ni3.8 alloys, both generally used in Ni-MH batteries. In general, both alloys could absorb hydrogen at 10 Bar of hydrogen at room temperature. The particial reduction of hydrogen pressure has been investigated in this work. The decrepitated materials were characterized by scanning electron microscopy (SEM) and also by particle size analyser (CILAS).
Como referenciar
CASINI, J.C.S.; SOARES, E.P.; SILVA, F.M.; VIEIRA, L.S.; FARIA, R.N.; TAKIISHI, H. Effect of hydrogen decriptation pressure on particle size of rare earth based alloys for Ni-MH battery production. In: CONGRESSO BRASILEIRO DE ENGENHARIA E CIENCIA DOS MATERIAIS, 22., 06-10 de novembro, 2016, Natal, RN. Abstract... p. 5910. Disponível em: http://repositorio.ipen.br/handle/123456789/27278. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.