Lattice strengthening of Na4MnV(PO4)3 by dual doping as advanced cathode materials for sodium-ion batteries

doi:10.1016/j.est.2025.118175

Lattice strengthening of Na4MnV(PO4)3 by dual doping as advanced cathode materials for sodium-ion batteries

2025-09-02

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DOI：10.1016/j.est.2025.118175

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• Fe, Ni co-substituted Na4VMn(PO4)3 (FMNV) has been synthesized successfully. • Joint substitution ruggedizes the lattice structure by shortening bond length. • In-situ X-ray diffraction verifies minor volumetric change (∼4.91 %). • FMVN maintains a stable cycling performance over 2000 cycles at 10C. • FMVN||HC full battery delivers 309.4 Wh kg−1 after 100 cycles at 2C.

Lattice strengthening of Na4MnV(PO4)3 by dual doping as advanced cathode materials for sodium-ion batteries

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