average current density

Also contains definition of: local current density
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.
PAC, 1981, 53, 1827. 'Nomenclature for transport phenomena in electrolytic systems' on page 1836 (https://doi.org/10.1351/pac198153101827)