Electrochemical performance of fulvic acid-based electrospun hard carbon nanofibers as promising anodes for sodium-ion batteries-易丝帮

Electrochemical performance of fulvic acid-based electrospun hard carbon nanofibers as promising anodes for sodium-ion batteries

2019/11/27 21:19:46 Zhao, P. Y., J. Zhang, Q. Li and C. Y. Wang

The electrochemical performance of fulvic acid-based electrospun hard carbon nanofibers (PF-CNFs) as anodes for sodium-ion batteries is reported. PF-CNFs were prepared, stabilization in air at 280 degrees C and then carbonized in N-2 at 800, 1000, 1300 or 1500 degrees C. The PF-CNFs prepared at 1300 degrees C had abundant oxygen functional groups, large interlayer spaces and stable morphologies and when used as anodes in sodium-ion batteries, a reversible sodium intercalation capacity of 248 mAh g(-1) was obtained with capacity retention ratio of 91% after 100 cycles at a current density of 100 mA g(-1). This large capacity combined with the superior cycling performance indicates that fulvic acid-based carbon nanofibers are promising electrode materials for use in rechargeable sodium-ion batteries. (C) 2016 Elsevier B.V. All rights reserved.

Journal: Journal Of Power Sources
Volume: 334
Issue:
Pages: 170-178
ISSN: 0378-7753
DOI: 10.1016/j.jpowsour.2016.10.029
Year: 2016
Number:
Type:

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