Fig. 2From: Modulating the electrocatalytic activity of N-doped carbon frameworks via coupling with dual metals for Zn–air batteriesStructural analysis of MnCo-NCF after annealing. a, b TEM, c HR-TEM (inset: FFT pattern), and d Elemental mapping images of MnCo-NCF. e Powder XRD pattern and f Pore size distribution of MnCo-NCF after annealingBack to article page