The Influence of Aluminum on the Electrochemical Performance of Zinc Alloy Anode

Abstract

The electrochemical behaviors of zinc electrode containing Bi, In and Al were tested to study aluminum acting on the electrochemical performance of zinc anode using anodic polarization and tafel profiles measurement. The element distributions of IBA alloy were observed by scanning electron microscope (SEM). Our recent investigations demonstrate that the electrochemical activity of zinc alloy could be improved largely through integrating the optimization content of aluminum into zinc alloy. The SEM images show that there are obvious differences in the element distributions of surface, subsurface or bulk phase, especially, the segregation of Al in subsurface or bulk. The electrochemical behaviors of IBA alloy are related to its physical properties.