Carbon-coated titanium dioxide micro-bowls as an anode material for Li-ion batteries
| العنوان: | Carbon-coated titanium dioxide micro-bowls as an anode material for Li-ion batteries |
|---|---|
| المؤلفون: | Zhou Peng Li, Gao Ran Li, Sha Sha Tang, Bin Hong Liu |
| المصدر: | Electrochimica Acta. 125:199-205 |
| بيانات النشر: | Elsevier BV, 2014. |
| سنة النشر: | 2014 |
| مصطلحات موضوعية: | Morphology (linguistics), Materials science, General Chemical Engineering, Inorganic chemistry, Electrochemistry, Titanate, Anode, Ion, Hydrolysis, chemistry.chemical_compound, chemistry, Titanium dioxide, Pyrolysis |
| الوصف: | A series of micro-sized TiO 2 materials with different morphologies were synthesized via pyrolysis of spray-dried precursors, which were obtained via tetrabutyl titanate (TBT) hydrolysis reaction. The pH value of the precursor sol and its TBT content significantly influenced the morphology of the synthesized TiO 2 materials but showed little effect on the improvement of lithiation-delithiation capacity. The carbon coating effect on the electrochemical performance improvement depended on the morphology of the synthesized TiO 2 particles. Carbon-coated TiO 2 bowls with a large thickness (1.18 μm) provide an initial Li + insertion capacity of 310 mAh g −1 at a cut-off voltage of 1 V vs. Li + /Li, which is much higher than the carbon-coated TiO 2 bowls with a small thickness (0.62 μm, capacity: 22 mAh g −1 ). Carbon-coated TiO 2 bowls with a small thickness can be activated via lithiation-delithiation cycling between 0 and 3 V. |
| تدمد: | 0013-4686 |
| DOI: | 10.1016/j.electacta.2014.01.097 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::3fc21310ef26d653caf8f77307a58064 https://doi.org/10.1016/j.electacta.2014.01.097 |
| Rights: | CLOSED |
| رقم الانضمام: | edsair.doi...........3fc21310ef26d653caf8f77307a58064 |
| قاعدة البيانات: | OpenAIRE |
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