Meso-porous silicon-coated carbon nanotube as an …10.1007/s12274-016-1106... · Meso-porous...
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Nano Res.
Electronic Supplementary Material
Meso-porous silicon-coated carbon nanotube as ananode for lithium-ion battery
Won-Sik Kim, Jonghyun Choi, and Seong-Hyeon Hong ()
Department of Materials Science and Engineering and Research Institute of Advanced Materials, Seoul National University, Seoul151-744, Republic of Korea
Supporting information to DOI 10.1007/s12274-016-1106-x
Figure S1 Annealing schedule for uniform reduction of CNT@mp-Si and mp-Si nanotube.
Figure S2 Optical micrographs of quartz tube before (a) and after (b) magnesiothermic reduction exhibiting the violent reaction (burst) without first calcination.
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Nano Res.
Figure S3 XRD pattern and SEM image of as-reduced product without first calcination.
Figure S4 XRD patterns of powder mixture which was heated up to the marked temperatures (heating rate is 5 °C·min–1).
Figure S5 Gibbs free energy change for the formation of SiO gas from Mg and SiO2 mixture as a function of temperature.
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Figure S6 Thermogravimetric analysis of CNT, mp-Si nanotube, and CNT@mp-Si.
Figure S7 XRD pattern and SEM images of mp-Si nanotubes.
Figure S8 Cyclic voltammetry (CV) curve of CNT@mp-Si electrode at 0.04 mV·s–1.
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Figure S9 Effect of Si shell thickness on the cycling performance of CNT@mp-Si electrode.
Figure S10 SEM images of CNT@mp-Si electrode after 300 cycles at 1,000 mA·g–1.