Flower-like Mn/Co Glycerolate-Derived α-MnS/Co9S8/Carbon Heterostructures for High-Performance Lithium-Ion Batteries

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • Lei Zhu
  • Huiying Lu
  • Tianhao Yao
  • Ting Liu
  • Fang Li
  • Jinkai Wang
  • Xiaogang Han
  • Yonghong Cheng
  • Hongkang Wang

Detail(s)

Original languageEnglish
Pages (from-to)10215-10223
Journal / PublicationACS Applied Energy Materials
Volume3
Issue number10
Online published15 Oct 2020
Publication statusPublished - 26 Oct 2020

Abstract

Transition-metal oxides/sulfides have been widely applied for energy storage because of their high-theoretical capacity and natural abundance with low prices, but they suffer from the volume change-induced pulverization problem during cycling. Herein, we present the successful fabrication of heterostructured α-MnS/Co9S8 with simultaneous carbon hybridization through the chemical vapor deposition method, using the pre-synthesized flower-like Mn/Co-glycerate by the solvothermal method as a Mn/Co source and the thiophene as a C/S source. When applied as a lithium storage anode, the α-MnS/Co9S8/C electrode displays satisfactory electrochemical performances, exhibiting a high reversible capacity of 608 mA h g-1 at 500 mA g-1 upon 300 cycles with 73% capacity retention and a high rate capacity of 422 mA h g-1 at 1000 mA g-1, which is much better than that for the Mn/Co-glycerate-derived MnCo2Ox counterpart. Benefiting from the stepwise lithium storage behaviors of a-MnS and Co9S8 and the carbon wrapping, the α-MnS/Co9S8/C heterostructures effectively suppress the electrode pulverization, which finally contributes to the enhanced lithium storage performance.

Research Area(s)

  • Carbon hybridization, Chemical vapor deposition, Metal glycerolate, α-MnS/Co9S8@C

Citation Format(s)

Flower-like Mn/Co Glycerolate-Derived α-MnS/Co9S8/Carbon Heterostructures for High-Performance Lithium-Ion Batteries. / Zhu, Lei; Lu, Huiying; Xiao, Fengping; Yao, Tianhao; Liu, Ting; Li, Fang; Wang, Jinkai; Han, Xiaogang; Cheng, Yonghong; Wang, Hongkang.

In: ACS Applied Energy Materials, Vol. 3, No. 10, 26.10.2020, p. 10215-10223.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review