Synthesis and Electrochemical Performance of Polyacrylonitrile Carbon Nanostructure Microspheres for Supercapacitor Application

Table 3

Species and content of C and N functional group on activation sample 2AQ7.

N peak	The electron binding energy (eV)	Functional group content (%)
N-6	398.8 ± 02 eV	41.40
N-5	400.4 ± 02 eV	30.91
N-Q	401.4 ± 02 eV	18.12
N-X	402.4 ± 02 eV	9.54