Journal
MACROMOLECULAR MATERIALS AND ENGINEERING
Volume 304, Issue 3, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mame.201800564
Keywords
carbon; electrospinning; lithium-ion batteries; silicon; syringeless electrospinning
Funding
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Ministry of Trade, Industry & Energy (MOTIE) of the Republic of Korea [20164010201070]
- National Research Foundation (NRF) grant [NRF-2017R1A4A1015360]
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In this study, electrospun carbon nanofibers hybridized with silicon oxide (SiOx) are prepared by using a syringeless electrospinning system of polyacrylonitrile (PAN) solution containing tetraethylorthosilicate (TEOS) via a sequential pyrolysis process. The syringeless electrospinning system provides a large number of composite nanofibers in a short time, and the obtained composite nanofibers exhibit uniform diameter and morphology. The composite nanofiber is converted into a carbon nanofiber containing SiOx via a simple pyrolysis. The obtained SiOx-carbon nanofiber mat exhibits higher charge/discharge capacity than a general carbon nanofiber, and it provides more stable retention than single crystalline silicon materials. Thus, the mass-production of a SiOx-carbon nanofiber from syringeless electrospinning is a promising method to produce anodic materials for Li-ion batteries.
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