School of Materials and Advanced Manufacturing;
Liling Ceramic Institute;
Hunan University of Technology;
Zhuzhou;
412007;
China;
Hunan Institute of Science and Technology;
Yueyang;
414000;
China;
Hunan Key Laboratory of Applied Environmental Photocatalysis;
Changsha University;
Changsha;
410022;
China;
Hydrothermal; Microspheres; Nb_(2)O_(5); Zincion hybrid supercapacitors(ZHSCs); Fast kinetics;