Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 47, Pages 20075-20082Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta04854g
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Funding
- Kumoh National Institute of Technology
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Zinc telluride (ZnTe) and a nanostructured ZnTe/C composite were prepared by a simple solid-state synthetic route, and their potential as electrode materials for rechargeable Li-ion batteries was investigated. The electrochemical conversion/partial recombination reactions between ZnTe and Li were determined using ex situ X-ray diffraction and extended X-ray absorption fine structure analysis. X-ray diffraction and high-resolution transmission electron microscopy confirmed that the ZnTe/C nanocomposite consisted of ZnTe nanocrystallites that were uniformly distributed within an amorphous carbon matrix. The nanostructured ZnTe/C composite electrode exhibited excellent electrochemical properties with a high capacity (1st charge: 530 mA h g(-1)), cycling durability (over 200 cycles), and fast rate capability (1 C: ca. 550 mA h g(-1), 3 C: ca. 504 mA h g(-1)).
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