期刊
THIN SOLID FILMS
卷 587, 期 -, 页码 14-19出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2014.12.038
关键词
Thermal plasma; Silicon; Multiwall carbon nanotubes; Composite; Lithium-ion battery; Discharge capacity; Scanning electron microscopy
类别
资金
- World Class 300 Project - Ministry of Trade, Industry and Energy (MOTIE, Korea) [10043264]
- Korea Evaluation Institute of Industrial Technology (KEIT) [10043264] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Lithium-ion (Li-ion) batteries are widely used in electric devices and vehicles. Silicon is a promising material for the anode of Li-ion battery due to high theoretical specific capacity. However, it shows large volume changes during charge-discharge cycles leading to the pulverization of electrode. In order to improve such disadvantage, a multiwall carbon nanotube (MWCNT) has been used with silicon as composite material. In this work, Si-MWCNT nanocomposite was prepared in thermal plasma by attaching silicon nanoparticles to MWCNT column. Electrochemical tests for raw materials and synthesized nanocomposites were carried out. The discharge capacities of silicon, MWCNT, synthesized nanocomposites collected from a reaction tube, and a chamber were 4000, 310, 200, and 1447 mAh/g, respectively. (C) 2015 Elsevier B.V. All rights reserved.
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