Surface area of porous electrodes

Characterization Surface area of porous electrodes can be calculated from gas -> adsorption, using appropriate models (e.g., the commonly used B.E.T model). The electrode structure can be analyzed by X-ray and neutron diffraction. The pore morphology can be analyzed by electron microscopy (SEM, TEM, HRTEM, and HRSEM). 

In electrocatalysis, the activity of different electrocatalysts is usually expressed via the exchange current I0, and the specific activity, via the exchange current density, iQ (A cm-2), still often computed on the basis of the superficial electrode surface area. Only when the current is normalized using the true surface area of the electrode-electrolyte interface, the comparison between different electrocatalysts is truly meaningful. The determination of the true surface area of porous electrodes is discussed in Sect. 2.3.5. 

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See also in sourсe #XX -- [ ]

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