Study on electrochemical performance of Pb-Ca-Bi alloys

The evolution behavior of hydrogen and oxygen when cathodized,and its corrosion on the surface of the Pb-Ca-Bi alloys when anodized by linear potential scan, constant potential steps, impedance spectras methods. The results showed that bismuth in the Pb-Ca alloys could decrease the rate of hydrogen evolution.There were different effects on oxygen evolution reaction for different contents of bismuth.Bismuth in suitable quantity could improve Pb-Ca alloys corrosion resistance, bismuth in different content had different effect on grid corrosion.