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Facile Synthesis of Anatase TiO2 Nanospheres as Anode Materials for Sodium-Ion Batteries
- Source :
- JOM. 70:1411-1415
- Publication Year :
- 2018
- Publisher :
- Springer Science and Business Media LLC, 2018.
-
Abstract
- Anatase TiO2 nanospheres (ATNSs) were successfully prepared through a facile solvothermal method followed by a thermal treatment. The sample was characterized by scanning electrons microscopy, transmission electron microscopy, x-ray diffraction, Raman spectrum and nitrogen adsorption techniques. When tested as an anode material for sodium-ion batteries, the electrode of ATNSs delivered a large discharge capacity of 208 mAh g−1 after 100 cycles at a current density of 50 mA g−1, indicating excellent cycling performance. This could be attributed to the uniform structure of the nanospheres with large surface area and porous nature, providing more active sites, buffering volume change, and facilitating the sodium ion intercalation as well as rapid diffusion during the charge/discharge process. Cyclic voltammetry demonstrated that the sodium storage mechanism is mainly controlled by pseudocapacitive behavior, resulting in a large capacity and outstanding cycling stability.
- Subjects :
- Anatase
Materials science
Intercalation (chemistry)
General Engineering
02 engineering and technology
Thermal treatment
010402 general chemistry
021001 nanoscience & nanotechnology
01 natural sciences
0104 chemical sciences
Anode
symbols.namesake
Chemical engineering
Transmission electron microscopy
Electrode
symbols
General Materials Science
Cyclic voltammetry
0210 nano-technology
Raman spectroscopy
Subjects
Details
- ISSN :
- 15431851 and 10474838
- Volume :
- 70
- Database :
- OpenAIRE
- Journal :
- JOM
- Accession number :
- edsair.doi...........cd1fc456d1f7420457204f2dd77019c2