The investigation of LiCo1-xSbxO2 as a promising cathode material for lithium-ion batteries

Jin Peng Yu, Zeng Hui Han, Xiao Hong Hu, Hui Zhan*, Yun Hong Zhou, Xing Jiang Liu

*この研究の対応する著者

研究成果: Article査読

11 被引用数 (Scopus)

抄録

The LiCo1-xSbxO2 (0 < x < 1) materials were prepared for the first time. Comparing with parent LiCoO 2 sample, they show improved cycleability under higher upper limit potential, better rate capability and thermal stability. XRD, SEM and particle size analysis indicate that the introduction of Sb during preparation effectively suppress the particle growth and thus the "doping" phase shows reduced particle size. Moreover, XPS measurements tell that the added Sb is enriched in the layer near the particle surface. According to these observations, it is reasonable to believe that the mechanism of the performance improvement is attributed to some coating effect for LiCo1-xSb xO2 materials.

本文言語English
ページ(範囲)301-306
ページ数6
ジャーナルElectrochimica Acta
121
DOI
出版ステータスPublished - 2014 3月 1

ASJC Scopus subject areas

  • 電気化学
  • 化学工学(全般)

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