Electrodeposited novel highly durable SiOC composite anode for Li battery above several thousands of cycles

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Abstract

A novel SiOC composite anode material for a Li battery was realized by electrochemical co-deposition of Si, C, and O elements. The composite was deposited by reduction of SiCl4 in a propylene carbonate based solution. After the initiation process by reduction of the composite in a Li+ containing electrolyte solution, the SiOC composite was found to be about 3.3 μm in average thickness and the composite performed as a Li battery anode with over 1000 mAh g- 1 of Si for more than 2000 cycles, and moreover have continued for 7000 cycles with gradual degradation.

Original languageEnglish
Pages (from-to)969-972
Number of pages4
JournalElectrochemistry Communications
Volume13
Issue number9
DOIs
Publication statusPublished - 2011 Sep 1

Keywords

  • Anode
  • Electrodeposition
  • Li battery
  • Si
  • SiOC composite

ASJC Scopus subject areas

  • Electrochemistry

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