Table 1

Summary of surface chemistry and electrochemical data for NiCo2O4 electrode materials. Bold values represent the best performing material.

  Blank ESM templated PMMA templated
XPS Ni 2p 855 eV Ni+2        
874 eV Ni+3        
Co 2p 780 eV Co+2        
796 eV Co+3        
O 1s 529 eV O1        
531 eV O2        
Surface area (m2·g−1) 0.43 7.34 20.91
  Average Range Average Range Average Range
Pore size (nm) 14 5–50 15 5–50 50 5–50
Capacitance (F·g−1) 25.39 28.19 38.03

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