## average current density

Also contains definition of: local current density
https://doi.org/10.1351/goldbook.A00539
The average current density, j, is defined by $j = A^{-1}\ \int _{A}j_{x}\ \text{d}A$ where A is the electrode area, jx is the local current density and dA is an infinitesimal surface element.
Source:
PAC, 1981, 53, 1827. 'Nomenclature for transport phenomena in electrolytic systems' on page 1836 (https://doi.org/10.1351/pac198153101827)