Advantages of biphasic high-entropy layered oxides. (IMAGE)

Tsinghua University Press

Advantages of biphasic high-entropy layered oxides.

Caption

The P2/O3 biphasic structure is conducive to optimize Na+ diffusion pathway and improve structural stability. Meanwhile, dual-site high-entropy doping can effectively suppress irreversible phase transitions and enhance Na+ diffusion kinetics. Notably, alkali metal site doping also significantly inhibits the migration of transition metals into the alkali metal layers, thereby preventing transition metal dissolution. Therefore, the designed HEO are expected to achieve highly reversible phase transitions, suppressed transition metal dissolution, and rapid Na+ diffusion kinetics, thereby realizing excellent rate performance and cycling stability.

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Nano Research, Tsinghua University Press

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