期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 6, 期 20, 页码 9480-9488出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ta02293c
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资金
- Leibniz Association [SAW-2017]
Research on alternatives to replace conventional graphite anodes is needed to advance lithium-ion battery technology. In this work, an anatase nano-TiO2/carbon onion hybrid material (nano-TiO2-C) is introduced as a rapid and stable lithium storage anode material, synthesized by a simple synthetic route using tailored sol-gel chemistry. The nano-TiO2-C hybrid material provides highly reversible capacity (166 mA h g(-1) at 0.02 A g(-1)), promising rate capability (61 mA h g(-1) at 5 A g(-1)), and long-term cycle stability (capacity retention: 94% at 1 A g(-1) for 1000 cycles). We demonstrate that hybridization of nano-TiO2 with carbon onions improves the high rate performance significantly.
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