How the fuctional groups like O-H stretching and N-H stretching groups, C-H groups with alkanes compounds, compounds aldehyde, ketone, carboxylic acid, esters , C=C group with alkene compounds, C-H group, C-O, O-H groups, and alcohol and ether influence the capacitance and cation exchange process in a supercapacitor?
Mamta Sham Lal
As we know, supercapacitance is a surface phenomenon, so any functional group attached to the surface influence the capacitance value.
The functional groups attached to the surface act as defects/adsorption sites and while charging and discharging, electrolyte cations and ions get adsorb and desorp to the surface as well as the extra adsorption sites(functional groups), thereby enhance the capacitance value.
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