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Fig. 5 | Nanoscale Research Letters

Fig. 5

From: A Highly Nanoporous Nitrogen-Doped Carbon Microfiber Derived from Bioresource as a New Kind of ORR Electrocatalyst

Fig. 5

a CV curves of CF-900, CFZ-900, and Me-CFZ-900 in O2-saturated 0.1 mol l−1 KOH solution. b LSV curves for ORR of CF-900, CFZ-900, and Me-CFZ-900 and 20 wt% Pt/C in O2-saturated 0.1 M KOH solution at a rotation speed of 1600 rpm. c Disk and ring currents obtained with LSV on RRDE for CF-900, CFZ-900, and Me-CFZ-900 in O2-saturated 0.1 mol l−1 KOH solution. d The corresponding electron transfer number and H2O2 yield from c

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