期刊
SOLID STATE IONICS
卷 260, 期 -, 页码 49-54出版社
ELSEVIER
DOI: 10.1016/j.ssi.2014.03.004
关键词
Silicon nanowire; Anode material; Lithium-ion battery; Chemical vapor deposition; Vapor-liquid-solid mechanism
资金
- Italian Ministry of Economic Development
In this paper the preparation of silicon nanowires and their electrochemical characterization as an anode in lithium batteries is reported. The nanowires were synthesized by CVD and characterized by XRD, SEM and EDS. The nanostructured materials were used as electrodes in lithium cells and their electrochemical properties were investigated by galvanostatic charge-discharge cycles at various discharge rates. To evaluate the dependence of the specific capacity and charge coefficient on the end charge potential this parameter was varied during the experimentation. The evolution of the charge transfer resistance, specific capacity, and charge coefficient as a function of the number of the cycles was also investigated. (C) 2014 Elsevier B.V. All rights reserved.
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