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Cyclic voltammetry curves of (a) NP-GH SC and (b) GH SC. (c–f) Galvanostatic charge/discharge curves of (c,d) NP-GH SC and (e,f) GH SC. (g) IR drop as a function of current density. (h) Specific capacitance of both the NP-GH SC and GH SC for various current densities.
