fig1
From: Heteroatom-driven the rapid electrochemical process of anthracite derivatives in sodium-ion battery
Figure 1. (A) Schematic diagram for the synthetic process, (B) SEM, (C and D) TEM and (E) EDS mapping images of ACp-N-Cl. SEM: Scanning electron microscopy; TEM: transmission electron microscopy; EDS: energy-dispersive spectroscopy.
