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PS:ÕâÊÇÉó¸åÒâ¼û£ºThe values of the specific capacitance are quite sensitive to the slope of the discharge curves. In the revised manuscript, the authors demonstrated that the capacitance value was derived according to Eq. 4, however, the authors should show whether the capacitance values are derived from the first half of the discharge curve, the second half, or the mean values on the basis of Eq. 4.
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Fig. 8b shows the specific capacitance (Cs) of the electrode, which are calculated from Eq.4, where I was the applied current, ¦¤V was the potential range of charge-discharge, m was the mass of active material, ¦¤t was the time of a charge or discharge process.
Cs=(Ix¦¤t )/(¦¤Vxm) eq.4 |