Synergistic effect of multi-transition metal co-substitution in high cycle life performance of NaxCo0.5Fe0.25Mn0.25O2 cathode for sodium-ion batteries

Multi-transition metal co-substituted Na x Co 0.5 Fe 0.25 Mn 0.25 O 2 cathode showing enhanced Na + -ion intercalation/deintercalation properties, excellent structural reversibility, and high discharge capacity, rate capability, and cycle life performance.