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Dopant-controlled transition-metal ordering in high-voltage spinel cathodes | Synapse

March 26, 2026Journal of Materials Chemistry A0 citationsOpen Access

Dopant-controlled transition-metal ordering in high-voltage spinel cathodes

LZLi Zhang BMBeth E. Murdock XHXiao Hua

Key Points

To explore how Fe doping affects cation ordering and redox behavior in LiMn 1.5 Ni 0.5 O 4 spinel cathodes.
Conducted neutron PDF analysis
Examined site-selective cation redistribution
Analyzed redox behavior and performance metrics
Fe doping alters cation distribution across various scales
Tuning cation sites directly impacts redox behavior
Enhanced battery performance linked to controlled Fe doping

Abstract

Neutron PDF analysis reveals that Fe doping in high-voltage spinel LiMn 1.5 Ni 0.5 O 4 drives site-selective cation redistribution across length scales, directly tuning redox behaviour and battery performance.

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Cite This Study

Zhang et al. (Thu,) studied this question.

synapsesocial.com/papers/69c4ccd6fdc3bde4489187f6 https://doi.org/https://doi.org/10.1039/d5ta10430k