Journal
CERAMICS INTERNATIONAL
Volume 40, Issue 3, Pages 5073-5077Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2013.09.067
Keywords
Forcespinning; Flexibility; Energy storage; Vanadium oxide; Mixed-valence
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Funding
- UTPA, ACS - PRF [51497]
- Welch Foundation [BG-0017]
- NSF under DMR Grant [0934157]
- NSF under DMR MRI Grant [1040419]
- CINT of Sandia National Laboratories (a US DOE user facility) [DE-AC04-94AL85000]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1040419] Funding Source: National Science Foundation
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A large-scale production process composed of the novel Forcespinning (R) technology followed by relatively low-temperature calcination (450 degrees C) was developed in this report for a flexible/bendable energy storage material of heterogeneous vanadium oxide/polyvinylpyrrolidone derivative nanofibers with bark-like topography. It overcomes the low fabrication-efficiency and cost-performance shortcomings of previous techniques, such as tedious synthesis and high carbonization/growth temperature. The mechanical flexibility from moderately cross-linked polymeric backbones and the mixed valence-induced high electronic conductivity (4.48 x 10(4) S m(-1)) from vanadium oxide concurrently endow these nanohybrid fibers as high performance flexible electrode materials for lithium-ion batteries. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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