The specific electrostatic capacity QSi/C of
(SiC)12 composites is determined by the formula
QSi/C = αSiQSi +
αcQC = 3051 mAh/h (where
αC=0.3, αSi=0.7 – mole fractions and
QC = 372 and QSi = 4200 mAh/h –
theoretical specific capacities of carbon and silicon respectively).