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Facile preparation of hydrated vanadium pentoxide nanobelts based bulky paper as flexible binder-free cathodes for high-performance lithium ion batteries

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Facile preparation of hydrated vanadium pentoxide nanobelts based bulky paper as flexible binder-free cathodes for high-performance lithium ion batteries

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dc.contributor.author Rui, Xianhong
dc.contributor.author Zhu, Jixin
dc.contributor.author Liu, Weiling
dc.contributor.author Tan, Huiteng
dc.contributor.author Sim, Daohao
dc.contributor.author Xu, Chen
dc.contributor.author Zhang, Hua
dc.contributor.author Ma, Jan
dc.contributor.author Hng, Huey Hoon
dc.contributor.author Lim, Tuti Mariana
dc.contributor.author Yan, Qingyu
dc.date.accessioned 2012-08-21T06:08:58Z
dc.date.available 2012-08-21T06:08:58Z
dc.date.copyright 2011
dc.date.issued 2012-08-21
dc.identifier.citation Rui, X., Zhu, J., Liu, W., Tan, H., Sim, D., Xu, C., et al. (2011). Facile preparation of hydrated vanadium pentoxide nanobelts based bulky paper as flexible binder-free cathodes for high-performance lithium ion batteries. RSC Advances, 1, 117-122.
dc.identifier.uri http://hdl.handle.net/10220/8407
dc.description.abstract Hydrated vanadium pentoxide (V2O5•0.44H2O, HVO) nanobelts were synthesized by a simply high-yield (e.g. up to ~99%) hydrothermal approach. The length of these nanobelts was up to several hundred micrometers while the diameter was only ~20 nm and the thickness was ~10 nm. Binderfree bulky papers were prepared by using these HVO nanobelts and were tested as Li ion battery cathodes. The unique architecture of the HVO bulky paper provides hierarchical porous channels and large specific surface area, which facilitate fast ion diffusion and effectively strain relaxation upon charge-discharge cycling. The electrochemical tests revealed that the flexible HVO cathode could deliver high reversible specific capacities with ~100% Coulombic efficiency, especially at high C rates. For example, it achieved a reversible capacity of 163 mAh g^-1 at 6.8 C.
dc.language.iso en
dc.relation.ispartofseries RSC advances
dc.rights © 2011 The Royal Society of Chemistry. This is the author created version of a work that has been peer reviewed and accepted for publication by RSC Advances, The Royal Society of Chemistry. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: http://dx.doi.org/10.1039/c1ra00281c.
dc.subject DRNTU::Engineering::Materials.
dc.title Facile preparation of hydrated vanadium pentoxide nanobelts based bulky paper as flexible binder-free cathodes for high-performance lithium ion batteries
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1039/c1ra00281c
dc.description.version Accepted version

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