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Type: Journal article
Title: Na₂Ti₃O₇@N-Doped carbon hollow spheres for sodium-ion batteries with excellent rate performance
Other Titles: Na(2)Ti(3)O(7)@N-Doped carbon hollow spheres for sodium-ion batteries with excellent rate performance
Author: Xie, F.
Zhang, L.
Su, D.
Jaroniec, M.
Qiao, S.
Citation: Advanced Materials, 2017; 29(24):1700989-1-1700989-6
Publisher: Wiley
Issue Date: 2017
ISSN: 0935-9648
Statement of
Fangxi Xie, Lei Zhang, Dawei Su, Mietek Jaroniec, and Shi-Zhang Qiao
Abstract: Uniform Na₂Ti₃O₇ hollow spheres assembled from N-doped carbon-coated ultrathin nanosheets are synthesized. A unique multilayer structure of nanosheets is presumed to significantly reduce energy consumption during the diffusion process of sodium ions, while the carbon-coated structure can increase the overall conductivity. The as-prepared sample used as an anode in sodium-ion batteries exhibits the best rate performance ever reported for Na₂Ti₃O₇, delivering more than 60 mAh g⁻¹ after 1000 continuous cycles at the high rate of 50 C, which was achieved due to its unique structure.
Keywords: anode materials
hollow spheres
rate performance
sodium-ion batteries
ultrathin nanosheets
Description: Published online: April 18, 2017
Rights: © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
DOI: 10.1002/adma.201700989
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Chemical Engineering publications

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