4.5 Article

Controlled synthesis and lithium storage performance of NiCo2O4/PPy composite materials

期刊

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpcs.2020.109761

关键词

NiCo2O4; Lithium-ion battery; PPy; Anode material

资金

  1. National Natural Science Foundation of China [21671136, 21471100]
  2. Guangdong Basic and Applied Basic Research Foundation [2020A1515010379]
  3. Shenzhen Science and Technology Project Program [JCYJ20190808144413257, JCYJ20180305125729925, JCYJ20170817094552356]

向作者/读者索取更多资源

Urchin-like NiCo2O4 particles were prepared by a facile hydrothermal method, with conductive polypyrrole coatings formed on the surface through the chemical oxidative polymerization of pyrrole monomers. The electrochemical properties of the NiCo2O4/PPy composites were investigated with varying PPy content, showing that the 30 wt% NiCo2O4/PPy sample exhibited improved electrochemical performance, with a reversible specific capacity of 1164.9 mAh/g after 100 cycles at a current density of 200 mA/g.
Urchin-like NiCo2O4 particles were prepared by a facile hydrothermal method and conductive polypyrrole (PPy) coatings were formed on the surface of the NiCo2O4 particles by the chemical oxidative polymerization of pyrrole monomers. The effects of the PPy content on the electrochemical properties of the NiCo2O4/PPy composites were investigated. The 30 wt% NiCo2O4/PPy sample exhibited excellent electrochemical performance; the reversible specific capacity was 1164.9 mAh/g after 100 cycles at a current density of 200 mA/g, indicating an improvement in the electrochemical performance of the composite material.

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