期刊
BEILSTEIN JOURNAL OF NANOTECHNOLOGY
卷 4, 期 -, 页码 699-704出版社
BEILSTEIN-INSTITUT
DOI: 10.3762/bjnano.4.79
关键词
electrochemistry; iron oxide; lithium-ion battery; nanoparticles; pyrolysis
资金
- DAAD New Delhi [A/10/03432]
A carbon-encapsulated Fe3O4 nanocomposite was prepared by a simple one-step pyrolysis of iron pentacarbonyl without using any templates, solvents or surfactants. The structure and morphology of the nanocomposite was investigated by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Brunauer-Emmett-Teller analysis and Raman spectroscopy. Fe3O4 nanoparticles are dispersed intimately in a carbon framework. The nanocomposite exhibits well constructed core-shell and nanotube structures, with Fe3O4 cores and graphitic shells/tubes. The as-synthesized material could be used directly as anode in a lithium-ion cell and demonstrated a stable capacity, and good cyclic and rate performances.
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