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Functional Composite Materials
Fig. 5 | Functional Composite Materials

Fig. 5

From: Carbon composites from iron-chelating pyridine nitrogen-rich coordinated nanosheets for oxygen reduction

Fig. 5

a CV curves of the IPNCN-2–850 composite catalysts in the N2-saturated and O2-saturated 0.1 mol/L aqueous KOH solutions. b LSV curves of the IPNCN-2 composite catalysts prepared at different pyrolytic temperatures and the commercial Pt/C catalysts at 1600 rpm rotation rate in the O2-saturated 0.1 mol/L KOH solution. c K-L plots for the IPNCN-2–850 composite catalysts at different electrode potentials from 0.60 to 0.80 V (vs RHE). d Calculated electron transfer number of the IPNCN-2–850 composite catalysts. e Methanol tolerance evaluation of the IPNCN-2–850 composite and Pt/C catalysts. f Current–time i-t test of the IPNCN-2–850 composite catalysts at 1600 rpm rotation rate in the O2-saturated 0.1 mol/L KOH solution

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