Tafel equation
= Tafel equation
{c}
{title2=$\eta=b\log_{10}(j/j_0)$}
An activation-controlled large-overpotential relation $|\eta|=b\log_{10}(|j|/j_0)$. The Tafel slope $b$ uses volts per decade when the logarithm is base ten. Exchange <current density> and operating <current density> must use the same area convention.