Facile Synthesis of Porous Silicon Nanofibers by Magnesium Reduction for Application in Lithium Ion Batteries

Overview

Journal Nanoscale Res Lett

Publisher Springer

Specialty Biotechnology

Date 2015 Oct 30

PMID 26510445

Citations 1

Authors

Daehwan Cho

Moonkyoung Kim

Jeonghyun Hwang

Jay Hoon Park

Yong Lak Joo

Youngjin Jeong

Affiliations

Soon will be listed here.

Abstract

We report a facile fabrication of porous silicon nanofibers by a simple three-stage procedure. Polymer/silicon precursor composite nanofibers are first fabricated by electrospinning, a water-based spinning dope, which undergoes subsequent heat treatment and then reduction using magnesium to be converted into porous silicon nanofibers. The porous silicon nanofibers are coated with a graphene by using a plasma-enhanced chemical vapor deposition for use as an anode material of lithium ion batteries. The porous silicon nanofibers can be mass-produced by a simple and solvent-free method, which uses an environmental-friendly polymer solution. The graphene-coated silicon nanofibers show an improved cycling performance of a capacity retention than the pure silicon nanofibers due to the suppression of the volume change and the increase of electric conductivity by the graphene.

Citing Articles

A Tremella-Like Nanostructure of Silicon@void@graphene-Like Nanosheets Composite as an Anode for Lithium-Ion Batteries.

Mi H, Li F, Xu S, Li Z, Chai X, He C Nanoscale Res Lett. 2016; 11(1):204.

PMID: 27083585 PMC: 4833766. DOI: 10.1186/s11671-016-1414-9.

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