Facile scalable synthesis of TiO2/Carbon nanohybrids with ultrasmall TiO2 nanoparticles homogeneously embedded in carbon matrix
作者：Xiao-yan Wang, Jian-qiang Meng*, Mei-mei Wang, Ying Xiao, Rui Liu, Yong-gao Xia, Yuan Yao, Ezzeldin
關鍵字：Facile scalable synthesis of TiO2/Carbon nanohybrids with ultrasmall TiO2 nanoparticles homogeneously embedded in carbon matrix, Titania/Carbon Nanohybrids
論文來源：期刊
具體來源：ACS APPLIED MATERIALS & INTERFACES
發(fā)表時間：2015年
A facile scalable synthesis of Ti02/C nanohybrids inspired by polymeric dental
restorative materials has been developed, which creates ultra-small Ti02 nanoparticles
homogeneously embedded in the carbon matrix. The average size of the nanoparticles
is tuned between about 1 nm and 5 nm with the carbon content systematically
increased from 0%to 65%.Imaging analysis and scattering technique have been
applied to investigate the morphology of the Ti02 nanoparticles. The composition,
nature of carbon matrix, crystallinity, and tap density of the Ti02/C nanohybrids have
been studied. The application of the Ti02/C nanohybrids as lithium-ion battery anode
is demonstrated. Unusual discharge/charge profiles have been exhibited, where
characteristic discharge/charge plateaus of crystalline Ti02 are significantly
diminished. The tap density, cyclic capacities, and rate performance at high current
densities (10 C, 20 C) of the TiOz/C nanohybrid anodes have been effectively
improved compared to the bare carbon anode and the Ti02/C nanohybrids with larger
particle size.