Effect of Posttreatment on the Catalytic Performances of Fe-N-C for Oxygen Reduction Reactions

Figure 7

Electrocatalytic performance of FeDN-AT-700 catalysts. (a) ORR LSV in acidic condition, (b) 5000 cycles durability test in acidic condition, (c) LSV curve at different rotating speeds in alkaline condition, and (d) 10000 cycles durability test in alkaline condition.

(a)

(b)

(c)

(d)