fig1
![Modulating the graphitic domains of hard carbons via tuning resin crosslinking degree to achieve high rate and stable sodium storage](https://image.oaes.cc/e1ff4f58-1079-4041-9d18-e53221a0bd00/em30117.fig.1.jpg)
Figure 1. (A) Synthesis process of AFR; (B) TG results; (C) IR spectroscopy; (D) The yield of different samples was tested by a long-term leaching method; (E) Comparison of carbon yield and crosslinking degree. AFR: Aminophenol formaldehyde resin; TG: thermogravimetric analysis; IR: infrared spectroscopy.