Table 1 The gravimetric activities of various transition metal–derived NPMCs compared with the metal-free VA-NCNT and N-G-CNT + KB in PEM fuel cells.

All the data in the table have also been scaled by the electrode surface area.

MaterialsCurrent at 0.8 V
(A g−1)
Current at 0.2 V
(A g−1)
Peak power density
(W g−1)
Catalyst loading
(mg cm−2)
O2-H2 back
pressure (bars)
Reference
FeCo/N/C1570020021.0(14)
Fe/N/C8/100800/2500233/4003.9/0.90.5(11)
Fe/N/C153258041.3(45)
VA-NCNT3515503200.161.5This work
N-G-CNT + KB3015003000.51.5This work