State Key Laboratory of Advanced Technology for Materials Synthesis and Processing;
Wuhan University of Technology;
Wuhan 430070;
China;
CAS Key Laboratory of Molecular Nanostructure and Nanotechnology;
CAS Research/Education Center for Excellence in Molecular Sciences;
Institute of Chemistry;
Chinese Academy of Sciences(CAS);
Beijing 100190;
China;
University of Chinese Academy of Sciences;
International School of Materials Science and Engineering;
Wuhan University of Technology;
Wuhan 430070;
China;
Na_(3)Zr_(2)Si_(2)PO_(12)(NZSP); Natrium superionic conductor(NASICON)solid-state electrolytes; Grain boundary; Ionic conductivity; Glass-like morphology;