Mesoporous silicon anodes prepared by magnesiothermic reduction for lithium ion batteries

Wei Chen*, Zhongli Fan, Abirami Dhanabalan, Chunhui Chen, Chunlei Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

109 Scopus citations


Porous Si prepared by the magnesiothermic reaction was used as anode material for lithium ion batteries. The synthesis conditions were investigated to obtain high purity of silicon phase. The structures of porous Si were characterized by TEM, Raman and N2 adsorption-desorption. The electrochemical performance was tested by cyclic voltammetry (CV) and discharge-charge measurement. The porous Si exhibits larger storage capacity and improved cyclability compared to commercial Si powders. The enhanced capacity and cyclability are attributed to the loose mesoporous structure of porous Si, which can accommodate large volume change in the lithiation/delithiation process.

Original languageEnglish (US)
JournalJournal of the Electrochemical Society
Issue number9
StatePublished - 2011
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Materials Chemistry
  • Electrochemistry


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