The high-entropy anode design improves specific capacity and cycling stability in sodium-ion batteries, suggesting potential for fast-charging applications.
Key Points
The high-entropy anode achieves a remarkable specific capacity of 396.7 mAh g–1 at 10 A g–1 after 1000 cycles, showcasing its performance.
Theoretical calculations confirm that the unique structure enhances Na-ion mobility and reduces energy barriers, indicating improved efficiency.
Utilizing ex situ Raman spectroscopy and in situ XRD confirms the thermodynamic reversibility of the high-entropy anode during operation.
The excellent cycling stability, with capacity remaining stable after 400 cycles, supports the potential for ultrafast-charging applications.