Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 817, Issue -, Pages 1-8Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2018.03.031
Keywords
CoO/Ti3C2; Hydrothermal; Lithium-ion batteries; Electrical properties
Categories
Funding
- National Natural Science Foundation of China [51472153, 51572158]
- Graduate Innovation Fund of Shaanxi University of Science Technology
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The CoO/Ti3C2 composite is prepared via a facile hydrothermal route followed by calcination, of which the morphology and the microstructure are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). CoO nanoparticles with the diameter of 10-20 nm are uniformly coated on the surface of Ti3C2 nanosheets, which increases the surface areas and prevents the aggregation of CoO. In addition, the CoO/Ti3C2 composite as an anode material for lithium-ion batteries (LIBs) demonstrates a higher initial discharge capacity of 1389 mAh g(-1) with a columbic efficiency of 61% at 100 mAh g(-1). The reversible capacity can remain about 313 mAh g(-1) after 100 cycles, which is much higher than that of the pure Ti3C2. The present results indicate that CoO/Ti3C2 composite has a potential application in the anode of LIB.
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