Issue 34, 2011
From the journal:

Journal of Materials Chemistry

Silicon nanowires with a carbon nanofiber branch as lithium-ion anode material†

Taeseup Song,a   Dong Hyun Lee,a   Moon Seok Kwon,b   Jae Man Choi,b   Hyungkyu Han,a   Seok Gwang Doo,b   Hyuk Chang,b   Won Il Park,a   Wolfgang Sigmund,c   Hansu Kim*c  and  Ungyu Paik*ac  

* Corresponding authors

a Department of Materials Science Engineering, Hanyang University, Seoul, Korea

b Energy Lab., Samsung Advanced Institute of Technology, Samsung Electronics Co. Ltd., Suwon, Korea

c WCU Department of Energy Engineering, Hanyang University, Seoul, Korea
E-mail: khansu@hanyang.ac.kr, upaik@hanyang.ac.kr

Abstract

Si nanowires (SiNWs)–carbon nanofibers (CNFs) branched structures with variation in carbon densities were synthesized. SiNWs with critical density of CNFs show the best electrochemical performance, which is attributed to increase in free volume around the SiNWs as well as a buffering role of the branched CNFs against large volumetric change during cycling.

Graphical abstract: Silicon nanowires with a carbon nanofiber branch as lithium-ion anode material

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Article information

DOI
https://doi.org/10.1039/C1JM12511G
Article type
Communication
Submitted
02 Jun 2011
Accepted
11 Jul 2011
First published
25 Jul 2011

J. Mater. Chem., 2011,21, 12619-12621

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Silicon nanowires with a carbon nanofiber branch as lithium-ion anode material

T. Song, D. H. Lee, M. S. Kwon, J. M. Choi, H. Han, S. G. Doo, H. Chang, W. I. Park, W. Sigmund, H. Kim and U. Paik, J. Mater. Chem., 2011, 21, 12619 DOI: 10.1039/C1JM12511G

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