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March 13, 2026Chemical Science4 citationsOpen Access

Spin-regulated d–p hybridization enables high energy density and wide temperature operation of Na 3 V 2 (PO 4 ) 2 O 2 F-type cathodes for sodium-ion batteries

QFQi FuQHQing HeFSFangxiang Song

Key Points

  • The aim is to enhance the performance of Na3V2(PO4)2O2F cathodes through spin-regulated d–p hybridization.
  • Dual-doping NVPOF with various transition metals and fluorine
  • Adjustment of V 3d–O 2p bonding
  • Evaluation of electronic and ionic conductivities
  • Reduced bandgap leading to improved conductivity
  • Enhanced high rate capability of the cathodes

Abstract

By dual-doping NVPOF with transition metals of different spin states and fluorine, the V 3d–O 2p bonding is adjusted to reduce the bandgap. This simultaneously enhances electronic and ionic conductivities, improving the high rate capability.

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Cite This Study

Fu et al. (2026) studied this question.

synapsesocial.com/papers/69b3ab5e02a1e69014ccc362https://doi.org/10.1039/d6sc00912c
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