Solution-grown silicon nanowires for lithium-ion battery anodes

Candace K. Chan; Reken N. Patel; Michael J. O'Connell; Brian A. Korgel; Yi Cui

doi:10.1021/nn901409q

Solution-grown silicon nanowires for lithium-ion battery anodes

Candace K. Chan, Reken N. Patel, Michael J. O'Connell, Brian A. Korgel, Yi Cui

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

489 Scopus citations

Abstract

Composite electrodes composed of silicon nanowires synthesized using the supercritical fluid-liquid-solid (SFLS) method mixed with amorphous carbon or carbon nanotubes were evaluated as Li-ion battery anodes. Carbon coating of the silicon nanowires using the pyrolysis of sugar was found to be crucial for making good electronic contact to the material. Using multiwalled carbon nanotubes as the conducting additive was found to be more effective for obtaining good cycling behavior than using amorphous carbon. Reversible capacities of 1500 mAh/g were observed for 30 cycles.

Original language	English (US)
Pages (from-to)	1443-1450
Number of pages	8
Journal	ACS nano
Volume	4
Issue number	3
DOIs	https://doi.org/10.1021/nn901409q
State	Published - Mar 23 2010
Externally published	Yes

Keywords

Carbon nanotubes
Lithium-ion battery anodes
Silicon nanowires

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)
Physics and Astronomy(all)

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10.1021/nn901409q

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title = "Solution-grown silicon nanowires for lithium-ion battery anodes",

abstract = "Composite electrodes composed of silicon nanowires synthesized using the supercritical fluid-liquid-solid (SFLS) method mixed with amorphous carbon or carbon nanotubes were evaluated as Li-ion battery anodes. Carbon coating of the silicon nanowires using the pyrolysis of sugar was found to be crucial for making good electronic contact to the material. Using multiwalled carbon nanotubes as the conducting additive was found to be more effective for obtaining good cycling behavior than using amorphous carbon. Reversible capacities of 1500 mAh/g were observed for 30 cycles.",

keywords = "Carbon nanotubes, Lithium-ion battery anodes, Silicon nanowires",

author = "Chan, {Candace K.} and Patel, {Reken N.} and O'Connell, {Michael J.} and Korgel, {Brian A.} and Yi Cui",

year = "2010",

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doi = "10.1021/nn901409q",

language = "English (US)",

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T1 - Solution-grown silicon nanowires for lithium-ion battery anodes

AU - Chan, Candace K.

AU - Patel, Reken N.

AU - O'Connell, Michael J.

AU - Korgel, Brian A.

AU - Cui, Yi

PY - 2010/3/23

Y1 - 2010/3/23

N2 - Composite electrodes composed of silicon nanowires synthesized using the supercritical fluid-liquid-solid (SFLS) method mixed with amorphous carbon or carbon nanotubes were evaluated as Li-ion battery anodes. Carbon coating of the silicon nanowires using the pyrolysis of sugar was found to be crucial for making good electronic contact to the material. Using multiwalled carbon nanotubes as the conducting additive was found to be more effective for obtaining good cycling behavior than using amorphous carbon. Reversible capacities of 1500 mAh/g were observed for 30 cycles.

AB - Composite electrodes composed of silicon nanowires synthesized using the supercritical fluid-liquid-solid (SFLS) method mixed with amorphous carbon or carbon nanotubes were evaluated as Li-ion battery anodes. Carbon coating of the silicon nanowires using the pyrolysis of sugar was found to be crucial for making good electronic contact to the material. Using multiwalled carbon nanotubes as the conducting additive was found to be more effective for obtaining good cycling behavior than using amorphous carbon. Reversible capacities of 1500 mAh/g were observed for 30 cycles.

KW - Carbon nanotubes

KW - Lithium-ion battery anodes

KW - Silicon nanowires

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Solution-grown silicon nanowires for lithium-ion battery anodes

Abstract

Keywords

ASJC Scopus subject areas

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