fig2
From: Heteroatom-driven the rapid electrochemical process of anthracite derivatives in sodium-ion battery
Figure 2. (A) XRD patterns, (B) FTIR spectra and (C) Raman spectra, and (D) N2 adsorption/desorption curves of C, ACp, and ACp-N-Cl. XRD: X-ray diffraction; FTIR: Fourier transform infrared.
