Tuning anionic redox activity to boost high-performance sodium-storage in low-cost Na0.67Fe0.5Mn0.5O2 cathode

Jianyue Jiao,Kang Wu,Na Li,Enyue Zhao,Wen Yin,Zhongbo Hu,Fangwei Wang,Jinkui Zhao,Xiaoling Xiao

Journal of Energy Chemistry（2022）

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摘要

A surface Ti doping strategy can tune anionic redox reaction and improve cycling stability of low-cost Na0.67Fe0.5Mn0.5O2 thanks to the strong Ti–O bond and the d0-shell electronic structure of Ti4+.

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关键词

Na-ion battery,P2-Na0.67Fe0.5Mn0.5O2,Anionic redox reaction,Surface Ti doping

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