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Issue 24, 2010
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Carbon scaffold structured silicon anodes for lithium-ion batteries

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Abstract

A unique methodology of fabricating Si anodes for lithium-ion batteries with porous carbon scaffold structure is reported. Such carbon scaffold Si anodes are fabricated via carbonization of porous Si-PVdF precursors which are directly deposited on the current collector. Unlike the conventional slurry casting method, binder and conductive additives are not used in the preparation of the carbon scaffold Si anodes. The carbon scaffold Si anode has a close-knit porous carbon structure that can not only accommodate the Si volume change, but also facilitate the charge transfer reaction. These advantages are demonstrated by the superior capacity, cycle stability and rate performance of the carbon scaffold Si anodes.

Graphical abstract: Carbon scaffold structured silicon anodes for lithium-ion batteries

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Publication details

The article was received on 29 Jan 2010, accepted on 24 Mar 2010 and first published on 13 May 2010


Article type: Paper
DOI: 10.1039/C0JM00215A
Citation: J. Mater. Chem., 2010,20, 5035-5040
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    Carbon scaffold structured silicon anodes for lithium-ion batteries

    J. Guo, X. Chen and C. Wang, J. Mater. Chem., 2010, 20, 5035
    DOI: 10.1039/C0JM00215A

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