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Electrospun Na3V2(PO4)3/C nanofibers as stable cathode materials for sodium-ion batteries

Open access
Liu, Jun, Tang, Kun, Song, Kepeng, van Aken, Peter A., Yu, Yan, Maier, Joachim·2014·Nanoscale

Abstract

Sodium-ion batteries are considered as prime alternatives to lithium-ion batteries for large-scale renewable energy storage units due to their low cost and the abundance of sodium bearing precursors in the earth's mineral deposits. In the current work, a 3D NASICON framework Na3V2(PO4)3/carbon cathode electrode with 20-30 nm Na3V2(PO4)3 nanoparticles uniformly encapsulated interconnecting one-dimensional carbon nanofibers was fabricated using a simple and scalable electrospinning method. The Na3V2(PO4)3/C cathode showed an initial charge capacity of 103 mA h g(-1) and a discharge capacity of 101 mA h g(-1) (calculated on the total mass of Na3V2(PO4)3 and carbon) at 0.1C rate, and retained stable discharge capacities of 77, 58, 39 and 20 mA h g(-1) at high current densities of 2C, 5C, 10C and 20C, respectively. Moreover, because of the efficient 1D sodium-ion transport pathway and the highly conductive network of Na3V2(PO4)3/C, the electrode exhibited high overall capacities even when cycled at high currents, extending its usability to high power applications.

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Metadata

Authors
Liu, J., Tang, K., Song, K., van Aken, P. A., Yu, Y., & Maier, J.
Venue
Nanoscale
Published
2014
Volume
6
Issue
10
Pages
5081
ISSN
  • 2040-3364 (ISSN-L)
  • 2040-3372
OpenAlex
W1975654418
Cited by
296
References
21
FWCI
21.22
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Electrospun Na3V2(PO4)3/C nanofibers as stable cathode materials for sodium-ion batteries. https://app.cochat.ai/papers/10.1039/c3nr05329f
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Liu, J., Tang, K., Song, K., van Aken, P. A., Yu, Y., & Maier, J. (2014). Electrospun Na3V2(PO4)3/C nanofibers as stable cathode materials for sodium-ion batteries. Nanoscale. https://doi.org/10.1039/c3nr05329f

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