• Optimization strategies for high-performance Na₃V₂(PO₄)₃ (NVP) cathode material are well summarized and discussed, including carbon coating or modification, foreign-ion doping or substitution and nanostructure and morphology design.

• The foreign-ion doping or substitution is highlighted, involving the Na, V, and PO₄³⁻ sites, which include single-site doping, multiple-site doping, single-ion doping and multiple-ion doping.

• Challenges and future perspectives for high-performance NVP cathode material are presented.

中文翻译：

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钠离子电池Na3V2(PO4)3正极材料的优化策略

• 
  对高性能Na ₃ V ₂ (PO ₄ ) ₃ (NVP)正极材料的优化策略进行了很好的总结和讨论，包括碳涂层或改性、外来离子掺杂或取代以及纳米结构和形貌设计。

• 
  重点介绍外来离子掺杂或取代，涉及Na、V和PO ₄ ³⁻位点，包括单位点掺杂、多位点掺杂、单离子掺杂和多离子掺杂。

• 
  介绍了高性能 NVP 正极材料的挑战和未来前景。