From Inert to Active: Breaking Mott-localization Enables High Na-Storage Performance in Na4MnFe(PO4)3-based Cathode
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As a sustainable cathode material for sodium-ion batteries, Na4MnFe(PO4)3 (NMFP) is prized for high theoretical operating voltage and cost-effectiveness. However, its practical electrochemical activity is notoriously poor, contradicting theoretical predictions... ...