Magnetoelectric Plasma Preparation of Silicon-Carbon Nanocomposite as Anode Material for Lithium Ion Batteries
| Autor: | Gao Maochuan, Fangfang Wang, Hong Ruoyu, Xuesong Lu |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Materials science
anode Hydrogen Composite number chemistry.chemical_element Nanoparticle 02 engineering and technology 010402 general chemistry 01 natural sciences lcsh:Technology lcsh:Chemistry chemistry.chemical_compound silicon-carbon nanocomposite General Materials Science Instrumentation lcsh:QH301-705.5 Fluid Flow and Transfer Processes DC magnetoelectric plasma Nanocomposite lcsh:T Process Chemistry and Technology General Engineering 021001 nanoscience & nanotechnology Silane lcsh:QC1-999 0104 chemical sciences Computer Science Applications Anode chemistry Chemical engineering lcsh:Biology (General) lcsh:QD1-999 lcsh:TA1-2040 Lithium 0210 nano-technology lcsh:Engineering (General). Civil engineering (General) Carbon lithium ion batteries lcsh:Physics |
| Zdroj: | Applied Sciences, Vol 10, Iss 2672, p 2672 (2020) Applied Sciences Volume 10 Issue 8 |
| ISSN: | 2076-3417 |
| Popis: | A high-performance silicon-carbon nanocomposite facilely prepared by one-step magnetoelectric plasma pyrolysis of the mixture of methane, silane, and hydrogen is proposed for lithium-ion batteries. The ratio of silane, methane, and hydrogen was studied to optimize the properties of the composite. When the ratio of hydrogen/silane/methane is 1:1:3, the composite is composed of spherical Si nanoparticles that uniformly attach to the surface of the tremelliform carbon nanosheets framework, in which the tremelliform carbon nanosheets can effectively resist the volumetric change of the Si nanoparticles during the cycles and serve as electronic channels. The silicon-carbon nanocomposite exhibits a high reversible capacity (1007 mAh g&minus 1 after 50 cycles), a low charge transfer resistance, and an excellent rate performance. In addition, the proposed process for synthesizing silicon-carbon nanocomposite without expensive materials or toxic reagents is an environmentally friendly and cost-effective method for mass production. |
| Databáze: | OpenAIRE |
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