Holistic Bulk-to-Surface Tailoring of Ni-Rich Cathodes for Unlocking Superior Electrochemical Stability

Key Points

• The aim is to enhance the electrochemical stability of ni-rich cathodes in lithium-ion batteries.
• Applied a holistic approach to tailor cathodes.
• Analyzed the trade-off between capacity and durability.
• Investigated mechanisms of oxygen loss and irreversible capacity fade.
• Improved durability and electrochemical stability observed.
• Demonstrated effective mitigation of oxygen loss.
• Established a better capacity retention over cycles.

Abstract