Research Article

Oxygen Vacancy-Rich NiCo2O4 on Carbon Framework with Controlled Pore Architectures as Efficient Bifunctional Electrocatalysts for Zn-Air Batteries

Figure 4

XPS spectra of V-NCO/OPC and NCO/OPC: (a) survey scan, (b) Co 2p, (c) Ni 2p, and (d) O 1s.
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