Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 35, Pages 10375-10381Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta11838j
Keywords
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Funding
- Natural Science Foundation of China [21271078, 51002057, 50825203]
- PCSIRT (Program for Changjiang Scholars and Innovative Research Team in University)
- NCET (Program for New Century Excellent Talents in University) [NECT-12-0223]
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Conformal N-doped carbon (NC) on nanoporous TiO2 spheres has been successfully synthesized via a facile solution-phase process and subsequent heat treatment. The highly conductive and uniform NC layer coated on the surface of nanoporous TiO2 spheres facilitates lithium ion diffusion and electronic transport. The resulting TiO2@NC nanohybrid not only delivers a high capacity of similar to 170 mA h g(-1) at a current density of 0.1 A g(-1), but also exhibits excellent rate capability (similar to 102 mA h g(-1) at a current density of 2.0 A g(-1)). The as-formed porous TiO2@NC electrode is promising for secondary battery applications with high power and energy densities.
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