Zero‐Strain Na3V2(PO4)2F3@Rgo/CNT Composite as a Wide‐Temperature‐Tolerance Cathode for Na‐Ion Batteries with Ultrahigh‐Rate Performance

Sodium-ion batteries (SIBs) are widely considered a hopeful alternative to lithium-ion battery technology. However, they still face challenges, such as low rate capability, unsatisfactory cycling stability, and inferior variable-temperature performance. In this study, a hierarchical Na