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Prototype Sodium‐Ion Batteries Using an Air‐Stable and Co/Ni‐Free O3‐Layered Metal Oxide Cathode
Author(s) -
Mu Linqin,
Xu Shuyin,
Li Yunming,
Hu YongSheng,
Li Hong,
Chen Liquan,
Huang Xuejie
Publication year - 2015
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.201502449
Subject(s) - anode , cathode , materials science , oxide , battery (electricity) , ion , energy density , carbon fibers , sodium , metal , energy storage , nanotechnology , chemical engineering , engineering physics , electrical engineering , metallurgy , electrode , chemistry , physics , thermodynamics , engineering , organic chemistry , power (physics) , composite number , composite material
A prototype rechargeable sodium‐ion battery using an O3‐Na 0.90 [Cu 0.22 Fe 0.30 Mn 0.48 ]O 2 cathode and a hard carbon anode is demonstrated to show an energy density of 210 W h kg −1 , a round‐trip energy efficiency of 90%, a high rate capability (up to 6C rate), and excellent cycling stability.