fig3
![Recent progress on alloy-based anode materials for potassium-ion batteries](https://image.oaes.cc/c92010da-4da9-4ba3-9174-293a7dd7d14f/5373.fig.3.jpg)
Figure 3. (A) Potassiation/depotassiation process in Sn4P3/C[42]. Copyright 2017, American Chemical Society. (B) Potassiation/depotassiation process in GeP5 electrodes[43]. Copyright 2018, Elsevier. (C) Discharge/charge curves of Se3P4@C and XRD patterns of Se3P4@C anode in the first cycle at different cut-off voltages. (D) XPS spectra of Se3P4@C electrode at different cut-off voltage states[44]. Copyright 2020, Wiley VCH.