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Progress and potential of electrospinning-derived substrate-free and binder-free lithium-ion battery electrodes

Authors
Joshi, BhavanaSamuel, EdmundKim, Yong-ilYarin, Alexander L.Swihart, Mark T.Yoon, Sam S.
Issue Date
15-2월-2022
Publisher
ELSEVIER SCIENCE SA
Keywords
Electrospinning; Flexible; Carbon nanofibers; Composites; Core-shell; Co-axial
Citation
CHEMICAL ENGINEERING JOURNAL, v.430
Indexed
SCIE
SCOPUS
Journal Title
CHEMICAL ENGINEERING JOURNAL
Volume
430
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/135213
DOI
10.1016/j.cej.2021.132876
ISSN
1385-8947
Abstract
Carbon nanofibers derived from electrospun precursors show great promise for electronic applications owing to their flexibility, conductivity, high surface area, and open structure. The integration of metal oxides and sulfides in carbon nanofibers, rather than using them with other binders, eliminates many problems caused by poor adhesion, nanomaterial agglomeration, excess mass contributed by inactive binders, and low conductivity of embedded active materials. The engineering of electrospun fibers with novel morphologies, such as core-shell, hollow, or porous structures, and the use of decorated carbon nanofibers (e.g., by electrodeposition or co precipitation) are discussed in this review. Representative schematic illustrations of the lithium-storage mechanism for these binder-free electrodes are presented. We describe how the electrospinning technique can offer a cost-effective strategy for fabrication of lightweight lithium-ion batteries with high capacity and excellent bendability. This review presents the fascinating morphologies of these specially designed carbon nanofiber electrodes, which enhance the electrochemical performance of metal oxides and sulfides, illustrating their enormous potential for use in wearable electronic devices and hybrid electric vehicles.
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