Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 13, Pages 4293-4299Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta10275k
Keywords
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Funding
- National Natural Science Foundation of China [NSFC 21173049]
- National Science Foundation for Fostering Talents in Basic Research of National Natural Science Foundation of China [J1103303]
- Fujian Province Fund [JA10016]
- Key Laboratory of Novel Thin Film Solar Cells, CAS
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A nanocomposite of ordered mesoporous pure anatase TiO2-C was successfully synthesized for the first time by using ordered mesoporous carbon as a nano-reactor and exhibited a short-range ordered mesoporous structure. It was found that carbon was coated on the surface of TiO2 nanoparticles to form a thin layer. Using this material as an anode in rechargeable lithium-ion batteries, it displayed a large reversible capacity, high rate performance and excellent long-term cycling stability. For instance, a large reversible capacity of 166 mA h g(-1) and an average Coulombic efficiency of 99.7% could be maintained even after 900 cycles at a current rate of 1 C. This can be attributed to the structure of the ordered mesoporous TiO2-C nanocomposite. Such a nanostructure provides both electron and lithiumion pathways which are essential for rechargeable lithium-ion batteries with a large capacity and excellent long-term performance.
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