## Wikipedia - Densità di corrente di scambio (it) mean exchange current density

https://doi.org/10.1351/goldbook.M03777
Defined by $j_{0}=\frac{I_{0}}{A}$ where $$I_{0}$$ is the @[email protected] and $$A$$ is usually taken as the geometric area of the electrode.
Source:
PAC, 1974, 37, 499. (Electrochemical nomenclature) on page 516 [Terms] [Paper]