Enhancing the Kinetics of Li-Rich Cathode Materials through the Pinning Effects of Gradient Surface Na+ Doping

Enhancing the Kinetics of Li-Rich Cathode Materials through the Pinning Effects of Gradient Surface Na+ Doping

Gradient surface Na‐ion doping is realized and demonstrated as an effective strategy to enhance the kinetics of Li‐rich cathode materials. Owing to the pinning effect of Na‐doping in the Li layer, the resultant Li‐rich particles exhibit superior electrochemical performances in terms of specific capa...

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Veröffentlicht in:Advanced energy materials 2016-03, Vol.6 (6), p.n/a
Hauptverfasser: Qing, Ren-Peng, Shi, Ji-Lei, Xiao, Dong-Dong, Zhang, Xu-Dong, Yin, Ya-Xia, Zhai, Yun-Bo, Gu, Lin, Guo, Yu-Guo
Format: Artikel
Sprache:eng
Schlagworte:
cathode materials
kinetics
Li-ion batteries
Lithium
lithium-rich
sodium doping
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Zusammenfassung:Gradient surface Na‐ion doping is realized and demonstrated as an effective strategy to enhance the kinetics of Li‐rich cathode materials. Owing to the pinning effect of Na‐doping in the Li layer, the resultant Li‐rich particles exhibit superior electrochemical performances in terms of specific capacity, Coulombic efficiency, and cycling stability.
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.201501914