Sc/Zn Co-Doped NASICON Electrolyte with High Ionic Conductivity for Stable Solid-State Sodium Batteries

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• Enhanced ionic conductivity improves performance of solid-state sodium batteries, paving the way for safer alternatives.
• Ion conductivity reached a peak value of 5.2 mS/cm, highlighting the effectiveness of co-doping with Sc and Zn.
• The study employs advanced synthesis methods to create a NASICON electrolyte, achieving a significant boost in stability.
• These findings suggest that co-doping could enhance the development of efficient, cost-effective battery systems.