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Start Over Author "Park, Cheol Min" Journal electrochimica acta
11 results on '"Park, Cheol Min"'

11. Antimonides (FeSb2, CrSb2) with orthorhombic structure and their nanocomposites for rechargeable Li-ion batteries

Author

Park, Cheol-Min and Sohn, Hun-Joon

Subjects
*LITHIUM-ion batteries, *NANOCOMPOSITE materials, *ANTIMONY compounds, *INTERMETALLIC compounds, *MOLECULAR structure, *MECHANICAL alloying, *SOLID state chemistry, *ELECTROCHEMICAL analysis
Abstract

Abstract: Intermetallic FeSb2 and CrSb2 and their nanocomposites (FeSb2/C and Sb/Cr3C2/C) were prepared using solid-state routes, such as heat-treatment and high-energy mechanical milling, in order to enhance the electrochemical properties of Sb. These electrodes were tested as anode materials for rechargeable Li-ion batteries. The reaction mechanism of intermetallic FeSb2 and CrSb2 was investigated using ex situ X-ray diffraction and high resolution transmission electron microscopy. The FeSb2/C and Sb/Cr3C2/C nanocomposite electrodes exhibited greatly enhanced electrochemical behaviors compared to the FeSb2 and CrSb2 electrodes. Additionally, the Sb/Cr3C2/C nanocomposite electrode showed a better electrochemical performance than the FeSb2/C nanocomposite electrode. [Copyright &y& Elsevier]

Published
2010
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