Fig. 2From: The Oxygen Reduction Electrocatalytic Activity of Cobalt and Nitrogen Co-doped Carbon Nanocatalyst Synthesized by a Flat Template a XPS full-scan spectrum of Co-NC-900. Co 2p 3/2 (b), N1s (c), and O 1s (d) XPS spectra of Co-NC-900, respectivelyBack to article page