Self-assembled V2O5 interconnected microspheres produced in a fish-water electrolyte medium as a high-performance lithium-ion-battery cathode

Rahman, Md Mokhlesur, Sadek, Abu Z., Sultana, Irin, Srikanth, Mateti, Dai, Xiujuan J., Field, Matthew R., McCulloch, Dougal G., Ponraj, Sri Balaji and Chen, Ying 2015, Self-assembled V2O5 interconnected microspheres produced in a fish-water electrolyte medium as a high-performance lithium-ion-battery cathode, Nano research, vol. 8, no. 11, pp. 3591-3603, doi: 10.1007/s12274-015-0859-y.

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Title Self-assembled V2O5 interconnected microspheres produced in a fish-water electrolyte medium as a high-performance lithium-ion-battery cathode
Author(s) Rahman, Md MokhlesurORCID iD for Rahman, Md Mokhlesur orcid.org/0000-0002-4499-8277
Sadek, Abu Z.
Sultana, Irin
Srikanth, Mateti
Dai, Xiujuan J.
Field, Matthew R.
McCulloch, Dougal G.
Ponraj, Sri Balaji
Chen, YingORCID iD for Chen, Ying orcid.org/0000-0002-7322-2224
Journal name Nano research
Volume number 8
Issue number 11
Start page 3591
End page 3603
Total pages 13
Publisher Springer
Place of publication New York, N.Y.
Publication date 2015-11
ISSN 1998-0124
1998-0000
Keyword(s) Science & Technology
Physical Sciences
Technology
Chemistry, Physical
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Physics, Applied
Chemistry
Science & Technology - Other Topics
Materials Science
Physics
self-assembly
interconnected microspheres
fish-water electrolyte
V2O5 cathode
lithium-ion batteries
HOLLOW MICROSPHERES
ELECTROCHEMICAL INSERTION
STORAGE PROPERTIES
HIGH-CAPACITY
INTERCALATION
CONVERSION
CAPABILITY
NANOTUBES
NANOBELTS
NANOWIRES
Summary Interconnected microspheres of V2O5 composed of ultra-long nanobelts are synthesized in an environmental friendly way by adopting a conventional anodization process combined with annealing. The synthesis process is simple and low-cost because it does not require any additional chemicals or reagents. Commercial fish-water is used as an electrolyte medium to anodize vanadium foil for the first time. Electron microscopy investigation reveals that each belt consists of numerous nanofibers with free space between them. Therefore, this novel nanostructure demonstrates many outstanding features during electrochemical operation. This structure prevents self-aggregation of active materials and fully utilizes the advantage of active materials by maintaining a large effective contact area between active materials, conductive additives, and electrolyte, which is a key challenge for most nanomaterials. The electrodes exhibit promising electrochemical performance with a stable discharge capacity of 227 mAh·g–1 at 1C after 200 cycles. The rate capability of the electrode is outstanding, and the obtained capacity is as high as 278 at 0.5C, 259 at 1C, 240 at 2C, 206 at 5C, and 166 mAh·g–1 at 10C. Overall, this novel structure could be one of the most favorable nanostructures of vanadium oxide-based cathodes for Li-ion batteries. [Figure not available: see fulltext.]
Language eng
DOI 10.1007/s12274-015-0859-y
Field of Research 100708 Nanomaterials
091205 Functional Materials
Socio Economic Objective 850602 Energy Storage (excl. Hydrogen)
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081238

Document type: Journal Article
Collection: Institute for Frontier Materials
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