期刊
SMALL
卷 13, 期 47, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201702449
关键词
branched; electrospinning; H-2; in situ growth; Li-ion batteries
类别
资金
- National Science and Technology Supporting Plan [2015BAD16B003]
- Fundamental Research Funds for the Central Universities [xjj2016052, NE2017004]
- China Postdoctoral Science Foundation [2015M582647]
- Natural Science Basic Research Plan in Shaanxi Province of China [2017JM2022]
1D branched TiO2 nanomaterials play a significant role in efficient photocatalysis and high-performance lithium ion batteries. In contrast to the typical methods which generally have to employ epitaxial growth, the direct in situ growth of hierarchically branched TiO2 nanofibers by a combination of the electrospinning technique and the alkali-hydrothermal process is presented in this work. Such the branched nanofibers exhibit improvement in terms of photocatalytic hydrogen evolution (0.41 mmol g(-1) h(-1)), in comparison to the conventional TiO2 nanofibers (0.11 mmol g(-1) h(-1)) and P25 (0.082 mmol g(-1) h(-1)). Furthermore, these nanofibers also deliver higher lithium specific capacity at different current densities, and the specific capacity at the rate of 2 C is as high as 201. 0 mAh g(-1), roughly two times higher than that of the pristine TiO2 nanofibers.
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