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Issue 26, 2016

Advanced arrayed bismuth nanorod bundle anode for sodium-ion batteries

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Abstract

For the first time, arrayed bismuth (Bi) nanorod bundles were prepared by chemical dealloying of Al30Bi70 (at%) alloy ribbon, using a top-down process. The arrayed Bi nanorod bundles exhibit a high retention capacity of 301.9 mA h g−1 after 150 cycles at a rate of 50 mA g−1, a flat potential profile and good rate capability as an advanced anode for sodium-ion batteries (SIBs). The excellent electrochemical performance is due to high ion accessibility and fast electron transport of arrayed Bi nanorod bundles, which is essential to improve the rate capability of SIBs. This scalable strategy will pave the way for the mass-production of large-capacity electrodes for SIBs and other energy-storage systems, providing new guidelines for the preparation of 1-D nanostructured arrays.

Graphical abstract: Advanced arrayed bismuth nanorod bundle anode for sodium-ion batteries

Supplementary files

Article information


Submitted
05 Apr 2016
Accepted
01 Jun 2016
First published
02 Jun 2016

J. Mater. Chem. A, 2016,4, 10098-10104
Article type
Communication

Advanced arrayed bismuth nanorod bundle anode for sodium-ion batteries

S. Liu, J. Feng, X. Bian, J. Liu and H. Xu, J. Mater. Chem. A, 2016, 4, 10098 DOI: 10.1039/C6TA02796B

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