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Mass‐Production of Electrospun Carbon Nanofiber Containing SiO x for Lithium‐Ion Batteries with Enhanced Capacity
Author(s) -
Moon Seongjun,
Yun Jisu,
Lee Jae Young,
Park Gyori,
Kim SungSoo,
Lee Kyung Jin
Publication year - 2019
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.201800564
Subject(s) - electrospinning , nanofiber , materials science , polyacrylonitrile , carbon nanofiber , pyrolysis , composite number , chemical engineering , carbon fibers , lithium (medication) , silicon , composite material , carbon nanotube , polymer , endocrinology , medicine , engineering , metallurgy
In this study, electrospun carbon nanofibers hybridized with silicon oxide (SiO x ) 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 SiO x via a simple pyrolysis. The obtained SiO x ‐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 SiO x ‐carbon nanofiber from syringeless electrospinning is a promising method to produce anodic materials for Li‐ion batteries.

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