Flexible freestanding Fe2O3-SnOx-carbon nanofiber composites for Li ion battery anodes

Bhavana N. Joshi; Seongpil An; Yong Il Kim; Edmund P. Samuel; Kyo Yong Song; Il Won Seong; Salem S. Al-Deyab; Mark T. Swihart; Woo Young Yoon; Sam S. Yoon

doi:10.1016/j.jallcom.2017.01.057

Flexible freestanding Fe₂O₃-SnO_x-carbon nanofiber composites for Li ion battery anodes

Bhavana N. Joshi, Seongpil An, Yong Il Kim, Edmund P. Samuel, Kyo Yong Song, Il Won Seong, Salem S. Al-Deyab, Mark T. Swihart, Woo Young Yoon, Sam S. Yoon

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

We demonstrate electrospun ternary Fe₂O₃-SnO_x-carbon nanofiber (CNF) composites as high-performance, flexible, and freestanding anodes for Li ion batteries (LIBs). In the ternary composites, the CNF matrix accommodates volume changes of Fe and Sn during lithiation and delithiation, while also providing short Li ion diffusion pathways, which ultimately enhances the capacity of the LIB. The concentrations of Fe and Sn were varied to find the optimal composition. Higher Sn content increased capacity at slow discharge rates, but decreased capacity at higher discharge rates. Increasing Fe to Sn ratio improved performance at high discharge rates. The Fe₂O₃-SnO_x-CNF composite fabricated at a Fe:Sn weight ratio of 3:1 exhibited a reversible capacity value of 756 mAh·g⁻¹after 55 cycles. The materials and methods demonstrated here are unique in producing a flexible, free-standing mat with high gravimetric capacity using a simple and scalable production process.

Original language	English
Pages (from-to)	259-266
Number of pages	8
Journal	Journal of Alloys and Compounds
Volume	700
DOIs	https://doi.org/10.1016/j.jallcom.2017.01.057
Publication status	Published - 2017

Bibliographical note

Funding Information:
This research was supported by Global Frontier Program through the Global Frontier Hybrid Interface Materials (GFHIM) of the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (2013M3A6B1078879). This research was also supported by the Technology Development Program to Solve Climate Changes of NRF-2016M1A2A2936760. S.S. Yoon expresses his appreciation to the Vice Deanship of Scientific Research Chairs at King Saud University for the partial support to this work.

Publisher Copyright:
© 2017 Elsevier B.V.

Keywords

Carbon nanofiber
Electrospinning
FeO
Freestanding
Lithium ion battery
SnO

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.jallcom.2017.01.057

Cite this

@article{c546b23663db4704ab4b1c27cc87ab10,

title = "Flexible freestanding Fe2O3-SnOx-carbon nanofiber composites for Li ion battery anodes",

abstract = "We demonstrate electrospun ternary Fe2O3-SnOx-carbon nanofiber (CNF) composites as high-performance, flexible, and freestanding anodes for Li ion batteries (LIBs). In the ternary composites, the CNF matrix accommodates volume changes of Fe and Sn during lithiation and delithiation, while also providing short Li ion diffusion pathways, which ultimately enhances the capacity of the LIB. The concentrations of Fe and Sn were varied to find the optimal composition. Higher Sn content increased capacity at slow discharge rates, but decreased capacity at higher discharge rates. Increasing Fe to Sn ratio improved performance at high discharge rates. The Fe2O3-SnOx-CNF composite fabricated at a Fe:Sn weight ratio of 3:1 exhibited a reversible capacity value of 756 mAh·g−1after 55 cycles. The materials and methods demonstrated here are unique in producing a flexible, free-standing mat with high gravimetric capacity using a simple and scalable production process.",

keywords = "Carbon nanofiber, Electrospinning, FeO, Freestanding, Lithium ion battery, SnO",

author = "Joshi, {Bhavana N.} and Seongpil An and Kim, {Yong Il} and Samuel, {Edmund P.} and Song, {Kyo Yong} and Seong, {Il Won} and Al-Deyab, {Salem S.} and Swihart, {Mark T.} and Yoon, {Woo Young} and Yoon, {Sam S.}",

note = "Funding Information: This research was supported by Global Frontier Program through the Global Frontier Hybrid Interface Materials (GFHIM) of the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (2013M3A6B1078879). This research was also supported by the Technology Development Program to Solve Climate Changes of NRF-2016M1A2A2936760. S.S. Yoon expresses his appreciation to the Vice Deanship of Scientific Research Chairs at King Saud University for the partial support to this work. Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

year = "2017",

doi = "10.1016/j.jallcom.2017.01.057",

language = "English",

volume = "700",

pages = "259--266",

journal = "Journal of Alloys and Compounds",

issn = "0925-8388",

publisher = "Elsevier BV",

}

TY - JOUR

T1 - Flexible freestanding Fe2O3-SnOx-carbon nanofiber composites for Li ion battery anodes

AU - Joshi, Bhavana N.

AU - An, Seongpil

AU - Kim, Yong Il

AU - Samuel, Edmund P.

AU - Song, Kyo Yong

AU - Seong, Il Won

AU - Al-Deyab, Salem S.

AU - Swihart, Mark T.

AU - Yoon, Woo Young

AU - Yoon, Sam S.

N1 - Funding Information: This research was supported by Global Frontier Program through the Global Frontier Hybrid Interface Materials (GFHIM) of the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (2013M3A6B1078879). This research was also supported by the Technology Development Program to Solve Climate Changes of NRF-2016M1A2A2936760. S.S. Yoon expresses his appreciation to the Vice Deanship of Scientific Research Chairs at King Saud University for the partial support to this work. Publisher Copyright: © 2017 Elsevier B.V.

PY - 2017

Y1 - 2017

N2 - We demonstrate electrospun ternary Fe2O3-SnOx-carbon nanofiber (CNF) composites as high-performance, flexible, and freestanding anodes for Li ion batteries (LIBs). In the ternary composites, the CNF matrix accommodates volume changes of Fe and Sn during lithiation and delithiation, while also providing short Li ion diffusion pathways, which ultimately enhances the capacity of the LIB. The concentrations of Fe and Sn were varied to find the optimal composition. Higher Sn content increased capacity at slow discharge rates, but decreased capacity at higher discharge rates. Increasing Fe to Sn ratio improved performance at high discharge rates. The Fe2O3-SnOx-CNF composite fabricated at a Fe:Sn weight ratio of 3:1 exhibited a reversible capacity value of 756 mAh·g−1after 55 cycles. The materials and methods demonstrated here are unique in producing a flexible, free-standing mat with high gravimetric capacity using a simple and scalable production process.

AB - We demonstrate electrospun ternary Fe2O3-SnOx-carbon nanofiber (CNF) composites as high-performance, flexible, and freestanding anodes for Li ion batteries (LIBs). In the ternary composites, the CNF matrix accommodates volume changes of Fe and Sn during lithiation and delithiation, while also providing short Li ion diffusion pathways, which ultimately enhances the capacity of the LIB. The concentrations of Fe and Sn were varied to find the optimal composition. Higher Sn content increased capacity at slow discharge rates, but decreased capacity at higher discharge rates. Increasing Fe to Sn ratio improved performance at high discharge rates. The Fe2O3-SnOx-CNF composite fabricated at a Fe:Sn weight ratio of 3:1 exhibited a reversible capacity value of 756 mAh·g−1after 55 cycles. The materials and methods demonstrated here are unique in producing a flexible, free-standing mat with high gravimetric capacity using a simple and scalable production process.

KW - Carbon nanofiber

KW - Electrospinning

KW - FeO

KW - Freestanding

KW - Lithium ion battery

KW - SnO

UR - http://www.scopus.com/inward/record.url?scp=85009414522&partnerID=8YFLogxK

U2 - 10.1016/j.jallcom.2017.01.057

DO - 10.1016/j.jallcom.2017.01.057

M3 - Article

AN - SCOPUS:85009414522

SN - 0925-8388

VL - 700

SP - 259

EP - 266

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

ER -