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Cathode Materials: Enhancing the Kinetics of Li‐Rich Cathode Materials through the Pinning Effects of Gradient Surface Na + Doping (Adv. Energy Mater. 6/2016)
Author(s) -
Qing RenPeng,
Shi JiLei,
Xiao DongDong,
Zhang XuDong,
Yin YaXia,
Zhai YunBo,
Gu Lin,
Guo YuGuo
Publication year - 2016
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201670035
Subject(s) - materials science , cathode , doping , kinetics , ion , faraday efficiency , nanotechnology , analytical chemistry (journal) , chemical engineering , electrode , optoelectronics , chemistry , electrochemistry , physics , chromatography , quantum mechanics , organic chemistry , engineering
In article number 1501914, Yun‐Bo Zhai, Lin Gu, Yu‐Guo Guo and co‐workers report that a novel gradient Na‐ion doping concept has been developed to enhance the kinetics of Li‐rich cathode materials. The as‐obtained Na‐ion doped Li‐rich particles exhibit high specific capacity, high initial Coulombic efficiency, good cycling stability, and superior rate capability benefitting from the enhanced kinetics, as well as the pinning effect of Na‐ion doping in stabilizing their structure.