Engineering Research Center of Organosilicon Compounds&Materials of Ministry of Education of Chemistry and Molecular Sciences University;
National Engineering Research Center of Advanced Energy Storage Materials;
College of Chemistry and Molecular Engineering University;
State Key Laboratory of High Performance Ceramics and Superfine Microstructure Institute of Ceramics Academy of Sciences Dingxi Road;
Potassium doping; Na_(3)V_(2)(PO_(4))_(2)F_(3); Cathode materials; Sodium ion batteries; Long-term stability;