Mixed-valent VOᵪ /polymer nanohybrid fibers for flexible energy storage materials
By Altecor, Aleksey; Li, Qiang; Lozano, Karen & Mao, Yuanbing
Published in Ceramics International
NULL
2014
Abstract
A large-scale production process composed of the novel Forcespinning® technology followed by relatively low-temperature calcination (450 °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 (4.48×10⁴ S m⁻¹) from vanadium oxide concurrently endow these nanohybrid fibers as high performance flexible electrode materials for lithium-ion batteries.
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