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|Title:||Enhanced reversible lithium storage in a nanosize silicon/graphene composite.|
|Citation:||Chou, S. L., Wang, J. Z., Choucair, M., Liu, H. K., Stride, J. A., & Dou, S. X. (2010). Enhanced reversible lithium storage in a nanosize silicon/graphene composite. Electrochemistry Communications, 12(2), 303-306. doi:10.1016/j.elecom.2009.12.024|
|Abstract:||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. © 2010, Elsevier Ltd.|
|Gov't Doc #:||1556|
|Appears in Collections:||Journal Articles|
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