Role of Indium Alloying with Lead as a Means to Reduce the Passivation Phenomena in Lead/Acid Batteries
Figure 23
EDX spectrum for the passive film on (a) Pb, (b) Pb-0.5 In alloy, and (c) Pb-15 In alloy surface in 4 M H2SO4 solution at passive region (1.2 V versus SCE) and at 20°C.