Fig. 9 | Scientific Reports

Fig. 9

From: Metal oxides carbon xerogel nanocomposite for methanol oxidation fuel cell

Fig. 9

(a) Nyquist plot of electrochemical impedance spectrum of Fe3O4/CX measured in Na2S2O8 at 0 V (vs. Ag/AgCl) under illumination provided with the equivalent Randles Cell. (b) Bode Plot for the same cell, (c and d) Nyquist plot of electrochemical impedance spectrum of MgO/CX and CuO/CX measured in Na2S2O8 at 0 V (vs. Ag/AgCl) under illumination provided with the equivalent Randles Cell.

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