Differential double-layer capacity, defined

The current transferred from the matrix to the solution is involved either in doublelayer charging or in faradaic electrode reactions. The differential double-layer capacity, defined by... 

In any event, there is always a strict, equilibrium relation between the charge density, qM, on the electrode sur ce and the total potential difference, E, between the bulk phases of electrode and solution. This relation is often characterized by the differential double-layer capacity, Cd, defined as... 

The differential capacitance between two regions of separated charges is, in general, defined as dQ/dU. Here, Q is the charge on each electrode and U is the voltage. The capacity of an electric double layer per unit area is thus... 

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See also in sourсe #XX -- [ ]

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