Figure 5
From: Enhancing Electrocatalytic Oxygen Reduction on Nitrogen-Doped Graphene by Active Sites Implantation
(A) Power densities and cell voltages in I-NG-MFCs, NG-MFCs and Pt/C-MFCs. (B) Decrease of maximum power density with cycle number at an external resistance of 1000 Ω. 40 cycles represent about 80 days. Error bars represent standard deviations of duplicate tests.
