Synthesis of Si/C composite materials
Date Issued
2006
Date
2006
Author(s)
Wu, Sheng-Chung
DOI
zh-TW
Abstract
The major goal of this research is to synthesize Si/C composite materials using chemical vapor deposition method.The material serves as an anode material in the fabrication of Lithium-ion battery. Silicon possesses a large amount of capacity according to the literature,but it also exhibits the problem of dramatic volume expansion and shrinkage during charging and discharging. In order to slove the problem of volume expansion and shrinkage,three approaches are adopted to synthesize Si/C composite materials as follow:
1. Growing up the carbon nanotubes on the silicon surface。
2. Synthesizing nanosilicon of particle size in the range of 30~60nm。
3. Covering the nanosilicons with the carbon nanotubes。
We are used to improve the volume expansion problem and raise the capacity. The new Si/C composite materials produced with the above approaches.
Keyword: Si/C composite materials , carbon nanotubes , capacity
Subjects
Si/C複合材料
電容量
碳管
Si/C composite materials
carbon nanotube
capacity
SDGs
Type
thesis
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