Dual Strategy in Manganese-Based Cathodes with K Expansion and Ni/Ti Compression for Stable Sodium Storage.
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DOI: 10.1002/smll.202510680
Abstract: Manganese-based oxide cathodes for sodium-ion batteries face irreversible degradation from Mn3+ Jahn-Teller distortion and Mn2+ dissolution, compounded by cyclic strain during (de)sodiation. To address this, a P2-K0.7Mn0.8Ni0.1Ti0.1O2 (KMNT) cathode via dual-regulation is developed: K+ pillars… read more here.
Keywords: sodium; based cathodes; strategy manganese; manganese based ... See more keywords