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Enhanced reversible lithium storage in a nanosize silicon/graphene composite
Australian Institute for Innovative Materials - Papers
  • Shulei Chou, University of Wollongong
  • Jiazhao Wang, University of Wollongong
  • Mohammad Choucair, School of Chemistry University of NSW
  • Hua-Kun Liu, University of Wollongong
  • John A Stride, School of Chemistry University NSW
  • S X Dou, University of Wollongong
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Publication Details

Chou, S, Wang, J, Choucair, M, Liu, HK, Stride, JA & Dou, SX (2010), Enhanced reversible lithium storage in a nanosize silicon/graphene composite, Electrochemistry Communications, 12(2), pp. 303-306.

Si/graphene composite was prepared by simply mixing of commercially available nanosize Si and graphene. Electrochemical tests show that the Si/graphene composite maintains a capacity of 1168 mAh g-1 and an average coulombic efficiency of 93% up to 30 cycles. EIS indicates that the Si/graphene composite electrode has less than 50% of the charge-transfer resistance compared with nanosize Si electrode, evidencing the enhanced ionic conductivity of Si/graphene composite. The enhanced cycling stability is attributed to the fact that the Si/graphene composite can accommodate large volume charge of Si and maintain good electronic contact.
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Citation Information
Shulei Chou, Jiazhao Wang, Mohammad Choucair, Hua-Kun Liu, et al.. "Enhanced reversible lithium storage in a nanosize silicon/graphene composite" (2010) p. 303 - 306
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