Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 22, Issue 28, Pages 14284-14288Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2jm32138f
Keywords
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Funding
- National Natural Science Foundation of China [NSFC 21173049]
- Fujian Province Fund [JA10016]
- Key Laboratory of Novel Thin Film Solar Cells, CAS
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In the present work, the nanocomposite ZnV2O4-CMK was synthesized for the first time by using a low temperature carbothermal reduction route and was then characterized by means of X-ray diffraction (XRD), thermogravimetric analysis (TG), N-2 adsorption-desorption, scanning and transmission electron microscopy (SEM/TEM). Furthermore, the nanocomposite was used for the first time as an anode material for Li-ion intercalation and exhibited a large reversible capacity, high rate performance and cycling stability. A reversible capacity of 575 mA h g(-1) was maintained even after 200 cycles at a current density of 0.1 A g(-1). These results might be due to the intrinsic characteristics of the nanocomposite offering a large surface area providing more sites for Li-ion insertion and a shorter path for Li-ion and electron transport, leading to improved capacity and enhanced rate capability.
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