Carbon nanowalls decorated with silicon for lithium-ion batteries

Victor A. Krivchenko, Daniil M. Itkis, Stanislav A. Evlashin, Dmitry A. Semenenko, Eugene A. Goodilin, Alexander T. Rakhimov, Anton S. Stepanov, Nikolay V. Suetin, Andrey A. Pilevsky, Pavel V. Voronin

Research output: Contribution to journalLetterpeer-review

45 Citations (Scopus)

Abstract

Carbon nanowalls (CNWs) are suggested as a promising nanostructured substrate for 3D anodes of lithium-ion batteries. Silicon sputtering onto CNWs results in improved electrochemical performance due to either a large surface area of free-standing CNWs or easy adhesion of deposited silicon clusters via the SiC interface layer formation. The 3D silicon-decorated nanowall framework (SDNF) could give the possibility to minimize the lithium diffusion length and make charge collection more effective yielding better cycling performance at high rates exceeding 2000 mA h per 1 g of silicon in the range of 0.05-2.00 V at 1.5 C rate.

Original languageEnglish
Pages (from-to)1438-1442
Number of pages5
JournalCarbon
Volume50
Issue number3
DOIs
Publication statusPublished - Mar 2012
Externally publishedYes

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