fig3
![Enhanced all-climate sodium-ion batteries performance in a low-defect and Na-enriched Prussian blue analogue cathode by nickel substitution](https://image.oaes.cc/9959e570-1a9a-4e1b-b4b7-6c608b92e083/5397.fig.3.jpg)
Figure 3. Electrochemical properties of Co0.7Ni0.3HCF and CoHCF at different temperatures (-30/0/45/60 °C). (A and C) Charge/discharge voltage profiles of Co0.7Ni0.3HCF and CoHCF at different rates (0.1/0.5 C) and temperatures (-30/0 °C). (B and D-F) Long-cycle performance of Co0.7Ni0.3HCF and CoHCF at different rates (0.1/0.5/5/5 C) and temperatures (-30/0/45/60 °C) from 2 V to 4.2 V.