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Figure 4 | Nanoscale Research Letters

Figure 4

From: Nitrogen-doped, FeNi alloy nanoparticle-decorated graphene as an efficient and stable electrode for electrochemical supercapacitors in acid medium

Figure 4

Specific capacitance, cycling stability, and Nyquist plots. Specific capacitance for the fabricated materials at different sweep rates (a); cycling stability plots at 50 mV s − 1 (b), and Nyquist plots of N-doped FeNi@Gr, N-doped Ni@Gr, and pristine graphene electrodes in 1 M H2SO4 aqueous solution at different sweep rates (c).

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