Additional file 1: Figure S1. of The Oxygen Reduction Electrocatalytic Activity of Cobalt and Nitrogen Co-doped Carbon Nanocatalyst Synthesized by a Flat Template

(a) CV and (b) LSV curves of Co-NC catalysts in O2-saturated 0.1 mol l–1 KOH solution. Figure S2. (a) CV and (b) LSV curves of Co-NCcatalysts in O2-saturated 0.1 mol l–1 HClO4 solution. (DOCX 221 kb