A novel ordered SiOxCy film anode fabricated via electrodeposition in air for Li-ion batteries

Jiguo Tu, Wei Wang, Liwen Hu, Hongmin Zhu, Shuqiang Jiao

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A novel SiOxCy film is successfully fabricated by electrodeposition on a carbon paper substrate with vinyl trichlorosilane as the precursor in air. It has been found that the SiOxCy film is evenly and uniformly distributed on the carbon paper. The long-term cycling stability of the SiOxCy film anode is tested at a rate of 1 C for 1000 cycles, showing that the charge capacity decreases from 1919.8 mA h g-1 to 1020.5 mA h g-1 over 1000 cycles, suggesting good long-term cycling stability. The good cycling stability of the SiO xCy film anode is attributed to the ordered structure of the SiOxCy film. Moreover, the interwall space could provide a buffer for Si expansion during the Li insertion/extraction process, thus improving the cycle life of Si anodes.

Original languageEnglish
Pages (from-to)2467-2472
Number of pages6
JournalJournal of Materials Chemistry A
Volume2
Issue number8
DOIs
Publication statusPublished - 2014 Feb 28
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

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