Role of Indium Alloying with Lead as a Means to Reduce the Passivation Phenomena in Lead/Acid Batteries

Table 3

Standard electrode potential of electrochemical reaction formula.

Electrochemical reaction	Standard potential versus SHE, V
Pb → Pb^2+ +	−0.13
PbSO4 + 2H2O → β-PbO2 + H2SO4 + 2H^+ +	+1.69
Pb + → PbSO4 +	−0.36
Pb^2+ + 2H2O → β-PbO2 + 4H^+ +	+1.12
In → In^+ +	−0.23
2In + 3H2O → In2O3 + 6H^+ +	−0.431