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A Honeycomb‐Layered Na 3 Ni 2 SbO 6 : A High‐Rate and Cycle‐Stable Cathode for Sodium‐Ion Batteries
Author(s) -
Yuan Dingding,
Liang Xinmiao,
Wu Lin,
Cao Yuliang,
Ai Xinping,
Feng Jiwen,
Yang Hanxi
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.201401946
Subject(s) - materials science , cathode , ion , sodium , honeycomb , chemical engineering , nanotechnology , composite material , metallurgy , electrical engineering , organic chemistry , chemistry , engineering
A honeycomb layered Na 3 Ni 2 SbO 6 is synthesized as a cathode for sodium‐ion batteries. This new host material exhibits a high capacity of 117 mA h g −1 , a remarkable cyclability with 70% capacity retention over 500 cycles at a 2C rate, and a superior rate capability with >75% capacity delivered even at a very high rate of 30 C (6000 mA g −1 ). These results open a new perspective to develop high‐capacity and high‐rate Na‐ion batteries for widespread electric‐energy‐storage applications.