Cutoff-Voltage-Dependent Low-Voltage Structural Evolution and Apparent Capacity Balancing in Spinel LiFe0.5Mn1.5O4

Puntos clave

• This research aims to understand how discharge voltage impacts the structural integrity and capacity of LiFe0.5Mn1.5O4.
• Examined structural changes at various discharge cutoffs including 1.9 V and 2.5 V.
• Assessed capacity evolution during deep discharging conditions.
• Evaluated interfacial reconstruction related to voltage levels.
• At 2.5 V cutoff, structural distortion is significantly reduced compared to 1.9 V.
• Limiting deep discharge enhances the apparent capacity without major structural degradation.