New anode material based on SiO-SnxCoyCz for lithium batteries

Bo Liu, Ali Abouimrane, Yang Ren, Mahalingam Balasubramanian, Dapeng Wang, Zhigang Z. Fang, Khalil Amine

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

A new family of composite materials as anode for lithium-ion batteries, MO-SnxCoyCz (x:y:z molar ratio), was synthesized by custom-made ultrahigh energy ball milling (UHEM) and conventional SPEX ball milling methods. In the past, alloys such as SnCoC and metal oxides such as SiO, SnO2, MoO3, etc., have been studied extensively because of their long cycle life and/or high capacity. The composite metal oxide-SnCoC combines both of these advantages. In this work, we took 50 wt % SiO-50 wt % Sn30Co30C40 as an example, and found that ultrahigh energy ball mill offers more nanoparticles and higher capacity compared with conventional milling. High-energy X-ray diffraction indicates the presence of CoSn2 and Co Bragg phases and highly distorted phases in the mixture. Extended X-ray absorption fine structure analysis reveals a tremendous difference between UHEM and SPEX samples. The pair distribution function shows the local structure and indicates that SiO and SnCoC are not only a physical mixture, but have reacted chemically. Full-cell testing established the feasibility of the composite as an anode material for high-energy, long-life Li-ion batteries. These results demonstrate that the nanostructured SiO-Sn30Co30C40 composite is a promising anode material for practical applications.

Original languageEnglish
Pages (from-to)4653-4661
Number of pages9
JournalChemistry of Materials
Volume24
Issue number24
DOIs
Publication statusPublished - 21 Dec 2012
Externally publishedYes

Fingerprint

Lithium batteries
Anodes
Ball milling
Composite materials
Oxides
Metals
Ball mills
X ray absorption
Distribution functions
Life cycle
Nanoparticles
X ray diffraction
Testing
Lithium-ion batteries

Keywords

  • anode
  • lithium batteries
  • mechanical alloying
  • SiO
  • SnCoC

ASJC Scopus subject areas

  • Materials Chemistry
  • Chemical Engineering(all)
  • Chemistry(all)

Cite this

Liu, B., Abouimrane, A., Ren, Y., Balasubramanian, M., Wang, D., Fang, Z. Z., & Amine, K. (2012). New anode material based on SiO-SnxCoyCz for lithium batteries. Chemistry of Materials, 24(24), 4653-4661. https://doi.org/10.1021/cm3017853

New anode material based on SiO-SnxCoyCz for lithium batteries. / Liu, Bo; Abouimrane, Ali; Ren, Yang; Balasubramanian, Mahalingam; Wang, Dapeng; Fang, Zhigang Z.; Amine, Khalil.

In: Chemistry of Materials, Vol. 24, No. 24, 21.12.2012, p. 4653-4661.

Research output: Contribution to journalArticle

Liu, B, Abouimrane, A, Ren, Y, Balasubramanian, M, Wang, D, Fang, ZZ & Amine, K 2012, 'New anode material based on SiO-SnxCoyCz for lithium batteries', Chemistry of Materials, vol. 24, no. 24, pp. 4653-4661. https://doi.org/10.1021/cm3017853
Liu B, Abouimrane A, Ren Y, Balasubramanian M, Wang D, Fang ZZ et al. New anode material based on SiO-SnxCoyCz for lithium batteries. Chemistry of Materials. 2012 Dec 21;24(24):4653-4661. https://doi.org/10.1021/cm3017853
Liu, Bo ; Abouimrane, Ali ; Ren, Yang ; Balasubramanian, Mahalingam ; Wang, Dapeng ; Fang, Zhigang Z. ; Amine, Khalil. / New anode material based on SiO-SnxCoyCz for lithium batteries. In: Chemistry of Materials. 2012 ; Vol. 24, No. 24. pp. 4653-4661.
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