Fig. 6: Theoretical calculations.
From: An integrated platinum-nanocarbon electrocatalyst for efficient oxygen reduction
a Schematic diagram of Pt/C and PtCo@CoNC for the synergistic ORR. b Free-energy diagram of the ORR pathways for Co-N-C, Pt(111) and PtCo sites. c, d Synergistic ORR catalytic pathways over Co-N-C and PtCo sites at 0 (c) and 1.23 V (d).
