fig8
![Research advances in earth-abundant-element-based electrocatalysts for oxygen evolution reaction and oxygen reduction reaction](https://image.oaes.cc/0942b99d-a9ff-494d-9dca-544c027b070b/5788.fig.8.jpg)
Figure 8. (A) SEM image of NG-C; (B) low-magnification TEM image and selected area electron diffraction (SAED) pattern (inset) of NG-C; (C) LSV curves of ORR on NG-M, NG-T, NG-C, and commercial Pt/C; (D) ORR forward peak maximum currents for NG-C and commercial 20 wt% Pt/C catalysts after different cycles. Reproduced with permission. Copyright 2015, ACS Publications[107];