Role of Indium Alloying with Lead as a Means to Reduce the Passivation Phenomena in Lead/Acid Batteries
Figure 24
SEM photographs of passive film on (a) Pb, (b) Pb-0.5 In alloy, and (c) Pb-15 In alloy surface formed anodically in 4 M H2SO4 solution at peak potential and at 20°C.