Silicon core-hollow carbon shell nanocomposites with tunable buffer voids for high capacity anodes of lithium-ion batteries

Shuru Chen; Mikhail L. Gordin; Ran Yi; Giles Howlett; Hiesang Sohn; Donghai Wang

doi:10.1039/c2cp42231j

Silicon core-hollow carbon shell nanocomposites with tunable buffer voids for high capacity anodes of lithium-ion batteries

Shuru Chen, Mikhail L. Gordin, Ran Yi, Giles Howlett, Hiesang Sohn, Donghai Wang

Research output: Contribution to journal › Article › peer-review

206 Scopus citations

Abstract

Silicon core-hollow carbon shell nanocomposites with controllable voids between silicon nanoparticles and hollow carbon shell were easily synthesized by a two-step coating method and exhibited different charge-discharge cyclability as anodes for lithium-ion batteries. The best capacity retention can be achieved with a void/Si volume ratio of approx. 3 due to its appropriate volume change tolerance and maintenance of good electrical contacts.

Original language	English (US)
Pages (from-to)	12741-12745
Number of pages	5
Journal	Physical Chemistry Chemical Physics
Volume	14
Issue number	37
DOIs	https://doi.org/10.1039/c2cp42231j
State	Published - Oct 5 2012

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1039/c2cp42231j

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abstract = "Silicon core-hollow carbon shell nanocomposites with controllable voids between silicon nanoparticles and hollow carbon shell were easily synthesized by a two-step coating method and exhibited different charge-discharge cyclability as anodes for lithium-ion batteries. The best capacity retention can be achieved with a void/Si volume ratio of approx. 3 due to its appropriate volume change tolerance and maintenance of good electrical contacts.",

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AU - Howlett, Giles

AU - Sohn, Hiesang

AU - Wang, Donghai

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AB - Silicon core-hollow carbon shell nanocomposites with controllable voids between silicon nanoparticles and hollow carbon shell were easily synthesized by a two-step coating method and exhibited different charge-discharge cyclability as anodes for lithium-ion batteries. The best capacity retention can be achieved with a void/Si volume ratio of approx. 3 due to its appropriate volume change tolerance and maintenance of good electrical contacts.

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Silicon core-hollow carbon shell nanocomposites with tunable buffer voids for high capacity anodes of lithium-ion batteries

Abstract

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