Fig 1.
Typical synthesis process of G-Mo2C nanocomposites.
Fig 2.
XRD Pattern of G-Mo2C with the standard diffraction patterns of Graphite and Mo2C.
Fig 3.
TEM images of G-Mo2C at different magnifications.
Fig 4.
Raman spectrum of graphite in the G-Mo2C composite.
Fig 5.
XPS spectra of G-Mo2C (A)survey; (B) Mo 3d; (C) C 1s and (D) O 1s.
Fig 6.
Cyclic voltammetry curves of G-Mo2C as ORR catalyst in N2-saturated and O2-saturated 0.1 M KOH.
Fig 7.
Linear sweep voltammogram of G-Mo2C as ORR catalysts in O2-saturated 0.1M KOH, Scan rate: 5 mV s-1.
Fig 8.
Corresponding K-L plots at different potentials for G-Mo2C electrode.
Fig 9.
The ring current densities at different rotation rates by RRDE in O2-saturated 0.1 M KOH at a scan rate of 5 mV s-1.
Fig 10.
The chronoamperometric responses of Pt/C and G-Mo2C electrodes adding 3 Mmethanol after 500 s at 0.65 V in O2-saturated 0.1 M KOH at1600 rpm.