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Electrochemical and Metallurgical Effect of Sn Addition on Al in Al-NaCl Batteries

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Resumo:The purpose of our work is to improve the corrosion and mechanical shocks resistance of aluminium in the batteries, we have chosen tin as an element of addition by combining it with the aluminum and forming an Al-Sn alloy. By means of potentiodynamic polarization, electrochemical impedance spectroscopy, hardness evolution and optical microscopy, we have been able to study the effect of the tin addition on the corrosion of aluminum in NaCl as well as on its hardness and crystalline structure. We have also studied the influence of the electrolyte's concentration in the battery (NaCl) and of temperature on the corrosion resistance of aluminum. The results obtained showed that the addition of tin have reduced significantly the corrosion rate of aluminum and increase its hardness. This means that the lifetime and the performance of the battery will be increased as well.
Autores principais:Gouale,Youssef
Outros Autores:Khatbi,Salma; Essahli,Mohamed
Assunto:battery corrosion inhibition Al-Sn alloys NaCl
Ano:2018
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Fundação para a Ciência e Tecnologia
Idioma:inglês
Origem:SciELO Portugal

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