4.7 Article

Novel P2-type Na2/3Ni1/6Mg1/6Ti2/3O2 as an anode material for sodium-ion batteries

Journal

CHEMICAL COMMUNICATIONS
Volume 53, Issue 12, Pages 1957-1960

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cc09378g

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Funding

  1. National Natural Science Foundation of China [51225204, 21303222, 21127901]
  2. Ministry of Science and Technology of the People's Republic of China [2016YFA0202500]
  3. 'Strategic Priority Research Program' of the Chinese Academy of Sciences [XDA09010100]
  4. CAS

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A novel P2-type Na2/3Ni1/6Mg1/6Ti2/3O2 material is explored as an anode for sodium-ion batteries (SIBs) for the first time. It delivers a reversible capacity of 92 mA h g(-1) with a safe average storage voltage of approximately 0.7 V in a sodium half-cell, and exhibits good cycle stability (ca. 87.4% capacity retention for 100 cycles) at a cut-off voltage of 0.2-2.5 V, indicating its superiority as a promising candidate anode material for SIBs.

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