Carbon Nanofibers Loaded with Carbon Nanotubes and Iron Oxide as Flexible Freestanding Lithium-Ion Battery Anodes
- Authors
- Joshi, Bhavana; Samuel, Edmund; Jo, Hong Seok; Kim, Yong-Il; Park, Sera; Swihart, Mark T.; Yoon, Woo Young; Yoon, Sam S.
- Issue Date
- 1-11월-2017
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Electrospinning; Iron oxide; Carbon nanotube; Lithim ion battery; Anode
- Citation
- ELECTROCHIMICA ACTA, v.253, pp.479 - 488
- Indexed
- SCIE
SCOPUS
- Journal Title
- ELECTROCHIMICA ACTA
- Volume
- 253
- Start Page
- 479
- End Page
- 488
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/81613
- DOI
- 10.1016/j.electacta.2017.09.086
- ISSN
- 0013-4686
- Abstract
- We demonstrate the fabrication of flexible electrospun carbon nanofibers (CNFs) containing uniformly distributed carbon nanotubes (CNTs) and iron oxide (FeOx) nanoparticles (NPs) as a composite material for lithium-ion battery (LIB) anodes. The uniform incorporation of CNTs and FeOx NPs within the CNFs was confirmed by transmission electron microscopy. Embedding even a small amount of CNTs (0.1 wt%) in the CNFs increased the LIB performance by a factor of two compared with pure CNFs. The specific capacity was also increased, by 25%, when an iron source (iron (III) acetylacetonate) was added at a concentration of 2 wt%. The FeOx-CNT/CNF electrode maintained a capacity of 1008 mAh.g(-1) at a current density of 100 mA.g(-1) after 100 cycles. Further, the high-performance anode material was freestanding, flexible, and lightweight. This makes it suitable for next-generation LIBs, which must deliver high power over long periods while also being light and flexible. (C) 2017 Elsevier Ltd. All rights reserved.
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Collections - College of Engineering > Department of Materials Science and Engineering > 1. Journal Articles
- College of Engineering > Department of Mechanical Engineering > 1. Journal Articles
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