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New Hexagonally Ordered Monolayer Electrode with Monodisperse Carbon/Fe 3 O 4 Microspheres for High Performance Lithium Ion Battery Anodes

New Hexagonally Ordered Monolayer Electrode with Monodisperse Carbon/Fe 3 O 4 Microspheres for... Abstract This work details the facile preparation of a hexagonally ordered monolayer electrode with monodispersed hollow C/Fe3O4 microspheres as a novel anode candidate for lithium-ion batteries. The monolayer electrode was produced by the heat treatment of a polyvinyl alcohol film comprising a monolayer of microspheres. The electrode was prepared by stamping with microspheres assembled into the monolayer, using an ordered patterning micro-framework polydimethylsiloxane on a polyvinyl alcohol spin-coated cupper foil. The morphological and structural characterizations of the monolayer electrode were conducted by optical microscopy, scanning electron microscopy, focused-ion beam scanning electron microscopy, transmission electron microscopy, and X-ray diffractometery. Although the monolayer electrode was composed of the active materials only without the use of any polymeric binder or carbon additives such as acetylene black and Super-P, the electrode exhibited a superior long-term cycling stability and rate capability with the coulombic efficiency of 99% at a high current rate due to the good structural stability and low electrical resistance as a result of the ordered monolayer structure. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png "Macromolecular Research" Springer Journals

New Hexagonally Ordered Monolayer Electrode with Monodisperse Carbon/Fe 3 O 4 Microspheres for High Performance Lithium Ion Battery Anodes

"Macromolecular Research" , Volume 27 (6): 7 – Jun 1, 2019

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References (24)

Publisher
Springer Journals
Copyright
2019 The Polymer Society of Korea and Springer
ISSN
1598-5032
eISSN
2092-7673
DOI
10.1007/s13233-019-7078-4
Publisher site
See Article on Publisher Site

Abstract

Abstract This work details the facile preparation of a hexagonally ordered monolayer electrode with monodispersed hollow C/Fe3O4 microspheres as a novel anode candidate for lithium-ion batteries. The monolayer electrode was produced by the heat treatment of a polyvinyl alcohol film comprising a monolayer of microspheres. The electrode was prepared by stamping with microspheres assembled into the monolayer, using an ordered patterning micro-framework polydimethylsiloxane on a polyvinyl alcohol spin-coated cupper foil. The morphological and structural characterizations of the monolayer electrode were conducted by optical microscopy, scanning electron microscopy, focused-ion beam scanning electron microscopy, transmission electron microscopy, and X-ray diffractometery. Although the monolayer electrode was composed of the active materials only without the use of any polymeric binder or carbon additives such as acetylene black and Super-P, the electrode exhibited a superior long-term cycling stability and rate capability with the coulombic efficiency of 99% at a high current rate due to the good structural stability and low electrical resistance as a result of the ordered monolayer structure.

Journal

"Macromolecular Research"Springer Journals

Published: Jun 1, 2019

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