期刊
JOURNAL OF ELECTRONIC MATERIALS
卷 43, 期 4, 页码 1048-1054出版社
SPRINGER
DOI: 10.1007/s11664-013-2951-y
关键词
TiO2( B) nanosheets; hydrothermal synthesis; Li-ion batteries
资金
- National Science Council of Taiwan, Republic of China [NSC 100-2221-E-006-123-MY3, NSC 100-2628-E-024-001-MY2]
TiO2 nanosheets with single monoclinic phase have been synthesized by a hydrothermal method using 6 M NaOH aqueous solution at 180A degrees C. TiO2 nanosheets exhibited surface area of 100 m(2) g(-1), which is larger than those obtained by solid-state reaction. The capability of lithium-ion batteries could be strongly enhanced by TiO2(B) nanosheets to yield discharge capacity higher than 200 mAh g(-1), even upon 25 cycles of 0.1-C-rate discharge-charge operations, showing highly reversible capacity and good cycling stability with excellent capacity retention of 96% with water-based binder. The results suggest that TiO2(B) nanosheets could be a promising negative electrode material for use in lithium-ion batteries.
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