Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 8, Issue 31, Pages 15829-15833Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ta00967a
Keywords
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Funding
- Australian Research Council through Discovery and Linkage Project programs [DP160104866, LP160100927, DE150101234, FL170100154, DE200101244]
- Australian Research Council [DE200101244] Funding Source: Australian Research Council
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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.
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