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Type: Journal article
Title: Hydrogenated dual-shell sodium titanate cubes for sodium-ion batteries with optimized ion transportation
Author: Xie, F.
Zhang, L.
Jiao, Y.
Vasileff, A.
Chao, D.
Qiao, S.-.Z.
Citation: Journal of Materials Chemistry A, 2020; 8(31):15829-15833
Publisher: Royal Society of Chemistry
Issue Date: 2020
ISSN: 2050-7488
Statement of
Fangxi Xie, Lei Zhang, Yan Jiao, Anthony Vasileff, Dongliang Chao and Shi-Zhang Qiao
Abstract: As a typical layered electrode material, sodium titanate has shown high energy density but poor ion transportation kinetics for sodium-ion batteries. Hence, optimizing the migration of larger ions in such a layered structured material is of great significance for sodium-ion batteries. Herein, we rationally construct dual-shell structured titanates with hydrogenated-induced oxygen vacancies to regulate the tunnels for Na ion transport structurally and atomically. Serving as anodes for batteries, the as-prepared samples exhibit enhanced rate performance compared to the one without oxygen vacancies. The result demonstrates an effective approach to optimize ion transport kinetics.
Rights: This journal is © The Royal Society of Chemistry 2020
RMID: 1000025770
DOI: 10.1039/d0ta00967a
Grant ID:
Appears in Collections:Chemistry and Physics publications

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