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Effect of Carbon Matrix Dimensions on the Electrochemical Properties of Na 3 V 2 (PO 4 ) 3 Nanograins for High‐Performance Symmetric Sodium‐Ion Batteries
Author(s) -
Li Shuo,
Dong Yifan,
Xu Lin,
Xu Xu,
He Liang,
Mai Liqiang
Publication year - 2014
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201305522
Subject(s) - materials science , electrochemistry , sodium , carbon fibers , acetylene , ion , matrix (chemical analysis) , nanotechnology , chemical engineering , electrode , chemistry , physics , organic chemistry , composite number , composite material , engineering , metallurgy , quantum mechanics
Na 3 V 2 (PO 4 ) 3 nanograins dispersed in different carbon matrices are rationally synthesized and systematically characterized. The acetylene carbon matrix provides the best conductive networks for electrons and sodium ions, which endows Na 3 V 2 (PO 4 ) 3 stable cyclability and high rate performance. The Na 3 V 2 (PO 4 ) 3 ‐based symmetric sodium‐ion batteries show outstanding electrochemical performance, which is promising for large‐scale and low‐cost energy storage applications.