Journal
JOURNAL OF MATERIALS SCIENCE
Volume 52, Issue 7, Pages 3556-3565Publisher
SPRINGER
DOI: 10.1007/s10853-016-0369-7
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Funding
- National Natural Science Foundation of China [51472153, 51572158]
- Graduate Innovation Fund of Shaanxi University of Science and Technology
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SnO2 nanoparticle-modified Ti3C2 MXene (SnO2-Ti3C2) nanocomposites have been synthesized via hydrothermal method and subsequently used as anode material for lithium-ion batteries (LIBs) with enhanced electrochemical performance. The results of the microstructure analysis indicate that the introduction of SnO2 nanoparticles enlarged the d-spacing of Ti3C2 layers and increased the Li+ storage. Meanwhile, SnO2 nanoparticles improve the electrochemical performance based on the alloying mechanism. Electrochemical results reveal that SnO2-Ti3C2 nanocomposites can greatly improve the reversible capacity compared with pure Ti3C2Tx particles. Remarkably, SnO2-Ti3C2 nanocomposites show outstanding initial capacity of 1030.1 mAh g(-1) at 100 mA g(-1), and the capacity can remain about 360 mAh g(-1) after 200 cycles. The SnO2-Ti3C2 nanocomposites demonstrate a stable cycle performance and high reversible capacity for lithium storage.
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